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Standard IgnitionPart #: PVS27
Standard Ignition PVS27 Ported Vacuum Switch
⚙️ 562 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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✅OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet, Buick, GMC, Oldsmobile, Pontiac, and Cadillac, Caprice, Century, C10, C20, El Camino, G10, G20, K10, K5 Blazer, C1500, C1500 Suburban, C2500, C2500 Suburban, C3500, G1500, G2500, Jimmy, K1500, K1500 Suburban, K2500, K2500 Suburban, K3500, Regal, Skylark, C10 Suburban, Camaro, Citation II, G30, Impala, K20, Monte Carlo, Caballero, Cutlass, Cutlass Ciera, Cutlass Salon, Cutlass Supreme, Firenza, Bonneville, Fiero, Firebird, Grand Prix, Parisienne, Omega, 6000, Phoenix, Skyhawk, Cimarron, Cavalier, Celebrity, Citation, Malibu, Acadian, J2000, LeSabre, C20 Suburban, Corvette, K20 Suburban, Delta 88, Bel Air, Catalina, LeMans, C30, K10 Suburban, K30, P20, P30, G3500, P2500, P3500, Grand Am, Grand LeMans, Laurentian, Riviera, Monza, Nova, P10, Starfire, Sunbird, C15, C15 Suburban, C25, C35, G15, G25, G35, K15, K25, K35, P25, P35, Sprint, and Ventura
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Not what you need? Click here for all Ported Vacuum Switch options
Reliable Ported Vacuum Switch for Select GM Vehicles
The Standard Ignition PVS27 ported vacuum switch is designed to provide precise vacuum control for a range of Buick, Cadillac, Chevrolet, GMC, Oldsmobile, and Pontiac models. Engineered with durable materials and a 3/8" - 18 NPT thread size, this switch ensures proper fitment and reliable operation in your vehicle's vacuum system.
- Includes one ported vacuum switch with two hose connectors
- Thread size: 3/8" - 18 NPT for secure installation
- Compatible with multiple GM makes and models including Chevrolet C10, Camaro, and Pontiac Firebird
- Designed to regulate vacuum pressure accurately within the engine system
- Standard Ignition quality for consistent performance
Product Details and Specifications
The PVS27 ported vacuum switch from Standard Ignition features two hose connectors that allow for efficient vacuum routing. Its 3/8" - 18 NPT thread size ensures compatibility with factory vacuum lines and fittings. This part is suitable for a wide range of GM vehicles such as the Chevrolet C1500 Suburban, Buick LeSabre, Pontiac Grand Prix, and Cadillac DeVille, among others. The switch helps maintain proper vacuum pressure, which is critical for engine performance and emissions control.
Compatible Vehicles and Applications
This ported vacuum switch is compatible with various GM makes and models, including:
- Buick LeSabre, Century, and Riviera
- Cadillac DeVille and Eldorado
- Chevrolet Camaro, C10, and Impala
- GMC K1500 and Suburban
- Oldsmobile Cutlass and Delta 88
- Pontiac Firebird and Grand Am
Common Issues Addressed by the PVS27 Vacuum Switch
- Irregular or fluctuating vacuum pressure affecting engine performance
- Vacuum leaks causing rough idle or stalling
- Malfunctioning vacuum-operated components such as HVAC controls
- Emission control system failures related to vacuum regulation
- Replacement of worn or damaged vacuum switches in older GM vehicles
Installation Notes and Tips
- Ensure the thread size (3/8" - 18 NPT) matches your vehicle’s vacuum line fittings
- Inspect vacuum hoses for cracks or damage before installation
- Use appropriate thread sealant to prevent vacuum leaks
- Verify correct hose routing according to vehicle service manual
- Test vacuum system after installation to confirm proper operation
Quality Assurance and Warranty
Standard Ignition parts are manufactured to meet or exceed OEM specifications. The PVS27 ported vacuum switch undergoes rigorous quality control to ensure durability and reliable performance. While specific warranty details may vary, Standard Ignition typically offers coverage against defects in materials and workmanship to provide confidence in your purchase.
| Brand | Standard Ignition |
| Part Number | PVS27 |
| Contents | Ported Vacuum Switch |
| Thread Size - NPT | 3/8" - 18 Thread |
This part fits 562 vehicles. Search below:
| Year | Make | Model | Transmission | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 1988 | Chevrolet | Caprice | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1986 | Buick | Century | 2.8L | V6 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1986 | Chevrolet | C10 | Manual | 5.0L | V8 | N/A | Purple; with California emissions; 2 ports. | |
| 1986 | Chevrolet | C20 | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1986 | Chevrolet | El Camino | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1986 | Chevrolet | G10 | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1986 | Chevrolet | G20 | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1986 | Chevrolet | K10 | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1986 | Chevrolet | K5 Blazer | Manual | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | |
| 1986 | GMC | C1500 | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1986 | GMC | C1500 Suburban | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1986 | GMC | C2500 | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1986 | GMC | C2500 Suburban | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1986 | GMC | C3500 | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1986 | GMC | G1500 | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1986 | GMC | G2500 | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1986 | GMC | Jimmy | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1986 | GMC | K1500 | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1986 | GMC | K1500 Suburban | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1986 | GMC | K2500 | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1986 | GMC | K2500 Suburban | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1986 | GMC | K3500 | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1985 | Buick | Regal | 5.0L | V8 | N/A | Purple; w/ Canada Emissions; 2 Ports | ||
| 1985 | Buick | Skylark | 2.8L | V6 | N/A | Purple; w/ Canada Emissions; 2 Ports | ||
| 1985 | Chevrolet | C10 | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1985 | Chevrolet | C10 Suburban | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1985 | Chevrolet | C20 | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1985 | Chevrolet | Camaro | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1985 | Chevrolet | Caprice | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1985 | Chevrolet | Caprice | 5.0L | V8 | N/A | Purple; w/ Canada Emissions; 2 Ports | ||
| 1985 | Chevrolet | Citation II | 2.8L | V6 | N/A | Purple; w/ Canada Emissions; 2 Ports | ||
| 1985 | Chevrolet | El Camino | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1985 | Chevrolet | G10 | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1985 | Chevrolet | G20 | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1985 | Chevrolet | G30 | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1985 | Chevrolet | Impala | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1985 | Chevrolet | Impala | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1985 | Chevrolet | K10 | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1985 | Chevrolet | K20 | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1985 | Chevrolet | Monte Carlo | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1985 | GMC | C1500 | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1985 | GMC | C1500 Suburban | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1985 | GMC | C2500 | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1985 | GMC | C2500 Suburban | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1985 | GMC | C3500 | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1985 | GMC | G1500 | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1985 | GMC | G2500 | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1985 | GMC | Jimmy | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1985 | GMC | K1500 | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1985 | GMC | K1500 Suburban | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1985 | GMC | K2500 | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1985 | GMC | K2500 Suburban | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1985 | GMC | K3500 | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1985 | Oldsmobile | Cutlass | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1985 | Oldsmobile | Cutlass Ciera | 2.8L | V6 | N/A | Purple; w/ Canada Emissions; 2 Ports | ||
| 1985 | Oldsmobile | Cutlass Salon | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1985 | Oldsmobile | Cutlass Supreme | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1985 | Oldsmobile | Firenza | 2.8L | V6 | N/A | Compatible with vehicles equipped with Canada Emissions. | ||
| 1985 | Pontiac | Bonneville | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1985 | Pontiac | Fiero | 2.8L | V6 | N/A | Purple; w/ Canada Emissions; 2 Ports | ||
| 1985 | Pontiac | Firebird | 2.8L | V6 | N/A | Purple; w/ Canada Emissions; 2 Ports | ||
| 1985 | Pontiac | Firebird | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1985 | Pontiac | Grand Prix | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1985 | Pontiac | Parisienne | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1984 | Buick | Century | 2.8L | V6 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1984 | Buick | Regal | 5.0L | V8 | N/A | Purple; w/ Canada Emissions; 2 Ports | ||
| 1984 | Buick | Skylark | 2.8L | V6 | N/A | Purple; w/ Canada Emissions; 2 Ports | ||
| 1984 | Chevrolet | Camaro | 2.8L | V6 | N/A | Purple; w/ Canada Emissions; 2 Ports | ||
| 1984 | Chevrolet | Camaro | 5.0L | V8 | N/A | Purple; w/ Canada Emissions; 2 Ports | ||
| 1984 | Chevrolet | Caprice | 5.0L | V8 | N/A | Purple; w/ Canada Emissions; 2 Ports | ||
| 1984 | Chevrolet | Citation II | 2.8L | V6 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1984 | Chevrolet | El Camino | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1984 | Chevrolet | Impala | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1984 | Chevrolet | Impala | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1984 | Chevrolet | Monte Carlo | 5.0L | V8 | N/A | Purple; w/ Canada Emissions; 2 Ports | ||
| 1984 | Oldsmobile | Cutlass Ciera | 2.8L | V6 | N/A | Purple; w/ Canada Emissions; 2 Ports | ||
| 1984 | Oldsmobile | Cutlass Supreme | 5.0L | V8 | N/A | Purple; w/ Canada Emissions; 2 Ports | ||
| 1984 | Oldsmobile | Firenza | 1.8L | L4 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1984 | Oldsmobile | Omega | 2.8L | V6 | N/A | Purple; w/ Canada Emissions; 2 Ports | ||
| 1984 | Pontiac | 6000 | 2.8L | V6 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1984 | Pontiac | Bonneville | 5.0L | V8 | N/A | Purple; w/ Canada Emissions; 2 Ports | ||
| 1984 | Pontiac | Firebird | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1984 | Pontiac | Firebird | 2.8L | V6 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1984 | Pontiac | Grand Prix | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1984 | Pontiac | Parisienne | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1984 | Pontiac | Phoenix | 2.8L | V6 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1983 | Buick | Century | 2.8L | V6 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1983 | Buick | Regal | 5.0L | V8 | N/A | Purple; w/ Canada Emissions; 2 Ports | ||
| 1983 | Buick | Skyhawk | 1.8L | L4 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1983 | Buick | Skylark | 2.8L | V6 | N/A | Purple; w/ Canada Emissions; 2 Ports | ||
| 1983 | Cadillac | Cimarron | 2.0L | L4 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1983 | Chevrolet | Camaro | 2.8L | V6 | N/A | Purple; w/ Canada Emissions; 2 Ports | ||
| 1983 | Chevrolet | Camaro | 5.0L | V8 | N/A | Purple; w/ Canada Emissions; 2 Ports | ||
| 1983 | Chevrolet | Cavalier | 2.0L | L4 | N/A | Purple; w/ Canada Emissions; 2 Ports | ||
| 1983 | Chevrolet | Celebrity | 2.8L | V6 | N/A | Purple; w/ Canada Emissions; 2 Ports | ||
| 1983 | Chevrolet | Celebrity | 4.3L | V6 | N/A | Purple; w/ Canada Emissions; 2 Ports | ||
| 1983 | Chevrolet | Citation | 2.8L | V6 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1983 | Chevrolet | El Camino | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1983 | Chevrolet | Impala | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1983 | Chevrolet | Malibu | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1983 | Chevrolet | Monte Carlo | 5.0L | V8 | N/A | Purple; w/ Canada Emissions; 2 Ports | ||
| 1983 | Oldsmobile | Cutlass Ciera | 2.8L | V6 | N/A | Purple; w/ Canada Emissions; 2 Ports | ||
| 1983 | Oldsmobile | Cutlass Supreme | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1983 | Oldsmobile | Firenza | 1.8L | L4 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1983 | Oldsmobile | Firenza | 2.0L | L4 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1983 | Oldsmobile | Omega | 2.8L | V6 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1983 | Pontiac | 6000 | 2.8L | V6 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1983 | Pontiac | Acadian | 1.8L | L4 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1983 | Pontiac | Bonneville | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1983 | Pontiac | Firebird | 2.8L | V6 | N/A | Purple; w/ Canada Emissions; 2 Ports | ||
| 1983 | Pontiac | Firebird | 5.0L | V8 | N/A | Purple; w/ Canada Emissions; 2 Ports | ||
| 1983 | Pontiac | J2000 | 1.8L | L4 | N/A | |||
| 1983 | Pontiac | J2000 | 2.0L | L4 | N/A | |||
| 1983 | Pontiac | Phoenix | 2.8L | V6 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1982 | Buick | Century | 2.8L | V6 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1982 | Buick | LeSabre | 4.4L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1982 | Buick | Regal | 4.4L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1982 | Buick | Regal | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1982 | Buick | Skyhawk | Manual | 1.8L | L4 | N/A | Ported Vacuum Switch with 2 purple ports. | |
| 1982 | Buick | Skylark | 2.8L | V6 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1982 | Cadillac | Cimarron | 1.8L | L4 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1982 | Chevrolet | C10 | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1982 | Chevrolet | C10 Suburban | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1982 | Chevrolet | C20 | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1982 | Chevrolet | C20 Suburban | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1982 | Chevrolet | Camaro | 2.8L | V6 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1982 | Chevrolet | Camaro | 5.0L | V8 | N/A | Purple; w/ Canada Emissions; 2 Ports | ||
| 1982 | Chevrolet | Caprice | 4.4L | V8 | N/A | Purple; w/ Canada Emissions; 2 Ports | ||
| 1982 | Chevrolet | Caprice | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1982 | Chevrolet | Cavalier | 1.8L | L4 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1982 | Chevrolet | Celebrity | 2.8L | V6 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1982 | Chevrolet | Celebrity | 4.3L | V6 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1982 | Chevrolet | Citation | 2.8L | V6 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1982 | Chevrolet | Corvette | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1982 | Chevrolet | El Camino | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1982 | Chevrolet | El Camino | 4.4L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1982 | Chevrolet | G10 | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1982 | Chevrolet | G20 | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1982 | Chevrolet | G30 | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1982 | Chevrolet | Impala | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1982 | Chevrolet | Impala | 4.4L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1982 | Chevrolet | K10 | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1982 | Chevrolet | K20 Suburban | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1982 | Chevrolet | K5 Blazer | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1982 | Chevrolet | Malibu | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1982 | Chevrolet | Malibu | 4.4L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1982 | Chevrolet | Monte Carlo | 4.4L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1982 | Chevrolet | Monte Carlo | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1982 | GMC | G1500 | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1982 | GMC | G2500 | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1982 | Oldsmobile | Cutlass Ciera | 2.8L | V6 | N/A | Purple; w/ Canada Emissions; 2 Ports | ||
| 1982 | Oldsmobile | Cutlass Supreme | 4.4L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1982 | Oldsmobile | Cutlass Supreme | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1982 | Oldsmobile | Delta 88 | 4.4L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1982 | Oldsmobile | Firenza | 1.8L | L4 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1982 | Oldsmobile | Omega | 2.8L | V6 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1982 | Pontiac | 6000 | 2.8L | V6 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1982 | Pontiac | Firebird | 2.8L | V6 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1982 | Pontiac | Firebird | 5.0L | V8 | N/A | Purple; w/ Canada Emissions; 2 Ports | ||
| 1982 | Pontiac | Grand Prix | 4.4L | V8 | N/A | Purple; w/ Canada Emissions; 2 Ports | ||
| 1982 | Pontiac | J2000 | 1.8L | L4 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1982 | Pontiac | Parisienne | 4.4L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1982 | Pontiac | Phoenix | 2.8L | V6 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1981 | Buick | Century | 4.4L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1981 | Buick | Regal | 4.4L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1981 | Chevrolet | Bel Air | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1981 | Chevrolet | C10 | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1981 | Chevrolet | C20 | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1981 | Chevrolet | Camaro | 4.4L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1981 | Chevrolet | Camaro | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1981 | Chevrolet | Camaro | 3.8L | V6 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1981 | Chevrolet | Camaro | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1981 | Chevrolet | Caprice | 4.4L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1981 | Chevrolet | Caprice | 3.8L | V6 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1981 | Chevrolet | Caprice | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1981 | Chevrolet | Caprice | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1981 | Chevrolet | Corvette | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1981 | Chevrolet | El Camino | 4.4L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1981 | Chevrolet | El Camino | 3.8L | V6 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1981 | Chevrolet | El Camino | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1981 | Chevrolet | G10 | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1981 | Chevrolet | G20 | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1981 | Chevrolet | Impala | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1981 | Chevrolet | Impala | 4.4L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1981 | Chevrolet | Impala | 3.8L | V6 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1981 | Chevrolet | Impala | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1981 | Chevrolet | K10 | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1981 | Chevrolet | K5 Blazer | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1981 | Chevrolet | Malibu | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1981 | Chevrolet | Malibu | 3.8L | V6 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1981 | Chevrolet | Malibu | 4.4L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1981 | Chevrolet | Malibu | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1981 | Chevrolet | Monte Carlo | 4.4L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1981 | Chevrolet | Monte Carlo | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1981 | Chevrolet | Monte Carlo | 3.8L | V6 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1981 | GMC | C1500 | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1981 | GMC | C1500 Suburban | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1981 | GMC | C2500 | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1981 | GMC | C2500 Suburban | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1981 | GMC | C3500 | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1981 | GMC | G1500 | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1981 | GMC | G2500 | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1981 | GMC | Jimmy | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1981 | GMC | K1500 | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1981 | GMC | K1500 Suburban | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1981 | GMC | K2500 | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1981 | GMC | K2500 Suburban | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1981 | GMC | K3500 | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1981 | Oldsmobile | Cutlass | 4.4L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1981 | Oldsmobile | Delta 88 | 4.4L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1981 | Pontiac | Bonneville | 4.3L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1981 | Pontiac | Bonneville | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1981 | Pontiac | Catalina | 5.0L | V8 | N/A | Purple; w/ Canada Emissions; 2 Ports | ||
| 1981 | Pontiac | Firebird | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1981 | Pontiac | Grand Prix | 4.4L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1981 | Pontiac | Grand Prix | 5.7L | V8 | DIESEL | N/A | Purple; w/ Canada Emissions; 2 Ports | |
| 1981 | Pontiac | LeMans | 4.4L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1981 | Pontiac | Parisienne | 4.4L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1981 | Pontiac | Parisienne | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1981 | Pontiac | Parisienne | 4.3L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1981 | Pontiac | Parisienne | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Buick | Century | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Buick | Regal | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | C10 | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | C10 | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | C10 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | C10 Suburban | 7.4L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | C10 Suburban | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | C20 | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | C20 | 7.4L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | C20 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | C20 Suburban | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | C20 Suburban | 7.4L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | C20 Suburban | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | C30 | 7.4L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | C30 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | Camaro | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | Camaro | 4.4L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | Camaro | 3.8L | V6 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | Camaro | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | Caprice | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | Caprice | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | Caprice | 4.4L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | Caprice | 3.8L | V6 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | Corvette | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | Corvette | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | El Camino | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | El Camino | 3.8L | V6 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | El Camino | 4.4L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | G10 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | G10 | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | G20 | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | G20 | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | G20 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | G30 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | G30 | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | Impala | 3.8L | V6 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | Impala | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | Impala | 4.4L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | Impala | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | K10 | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | K10 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | K10 Suburban | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | K20 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | K20 | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | K20 Suburban | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | K30 | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | K30 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | K5 Blazer | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | K5 Blazer | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | Malibu | 3.8L | V6 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | Malibu | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | Malibu | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | Malibu | 4.4L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | Monte Carlo | 3.8L | V6 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | Monte Carlo | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | Monte Carlo | 4.4L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | P20 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | P30 | 7.4L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Chevrolet | P30 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | GMC | C1500 | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1980 | GMC | C1500 Suburban | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1980 | GMC | C2500 | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1980 | GMC | C2500 Suburban | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1980 | GMC | C3500 | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1980 | GMC | G1500 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | GMC | G1500 | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | GMC | G2500 | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | GMC | G2500 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | GMC | G3500 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | GMC | G3500 | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | GMC | Jimmy | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1980 | GMC | K1500 | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1980 | GMC | K1500 Suburban | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1980 | GMC | K2500 | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1980 | GMC | K2500 Suburban | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1980 | GMC | K3500 | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1980 | GMC | P2500 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | GMC | P3500 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | GMC | P3500 | 7.4L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Oldsmobile | Cutlass | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Pontiac | Catalina | 3.8L | V6 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Pontiac | Firebird | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Pontiac | Grand Am | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Pontiac | Grand LeMans | 3.8L | V6 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Pontiac | Grand Prix | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Pontiac | Laurentian | 3.8L | V6 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Pontiac | LeMans | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Pontiac | LeMans | 3.8L | V6 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1980 | Pontiac | Parisienne | 3.8L | V6 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Buick | Century | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Buick | Century | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Buick | Regal | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Buick | Riviera | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Buick | Skylark | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Buick | Skylark | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Chevrolet | C10 | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Chevrolet | C10 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Chevrolet | C10 | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Chevrolet | C20 | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Chevrolet | C20 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Chevrolet | C30 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Chevrolet | Camaro | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1979 | Chevrolet | Caprice | 4.1L | L6 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Chevrolet | Caprice | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Chevrolet | Caprice | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Chevrolet | Corvette | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Chevrolet | El Camino | 3.8L | V6 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Chevrolet | El Camino | 3.3L | V6 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Chevrolet | El Camino | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Chevrolet | El Camino | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Chevrolet | El Camino | 4.4L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Chevrolet | G10 | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Chevrolet | G10 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Chevrolet | G20 | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Chevrolet | G20 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Chevrolet | G30 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Chevrolet | G30 | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Chevrolet | G30 | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Chevrolet | Impala | 4.1L | L6 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Chevrolet | Impala | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Chevrolet | Impala | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Chevrolet | K10 | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Chevrolet | K10 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Chevrolet | K10 Suburban | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Chevrolet | K20 | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Chevrolet | K20 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Chevrolet | K30 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Chevrolet | K30 | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Chevrolet | K5 Blazer | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Chevrolet | K5 Blazer | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Chevrolet | K5 Blazer | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Chevrolet | Malibu | 3.3L | V6 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Chevrolet | Malibu | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Chevrolet | Malibu | 4.4L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Chevrolet | Malibu | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Chevrolet | Malibu | 3.8L | V6 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Chevrolet | Monte Carlo | 4.4L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Chevrolet | Monte Carlo | 3.3L | V6 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Chevrolet | Monte Carlo | 3.8L | V6 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Chevrolet | Monte Carlo | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Chevrolet | Monza | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Chevrolet | Monza | 3.8L | V6 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Chevrolet | Nova | 4.1L | L6 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Chevrolet | Nova | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Chevrolet | Nova | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Chevrolet | P10 | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Chevrolet | P20 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Chevrolet | P30 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | GMC | C1500 | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1979 | GMC | C1500 Suburban | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1979 | GMC | C2500 | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1979 | GMC | C2500 Suburban | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1979 | GMC | C3500 | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1979 | GMC | G1500 | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | GMC | G1500 | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | GMC | G1500 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | GMC | G2500 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | GMC | G2500 | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | GMC | G3500 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | GMC | G3500 | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | GMC | Jimmy | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1979 | GMC | K1500 | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1979 | GMC | K1500 Suburban | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1979 | GMC | K2500 | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1979 | GMC | K2500 Suburban | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1979 | GMC | K3500 | N/A | Ported Vacuum Switch with 2 purple ports. | ||||
| 1979 | GMC | P2500 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | GMC | P3500 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Oldsmobile | Cutlass | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Oldsmobile | Cutlass Salon | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Oldsmobile | Cutlass Salon | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Oldsmobile | Cutlass Supreme | 5.7L | V8 | DIESEL | N/A | ||
| 1979 | Oldsmobile | Omega | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Oldsmobile | Omega | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Oldsmobile | Starfire | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Pontiac | Bonneville | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Pontiac | Firebird | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Pontiac | Firebird | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Pontiac | Grand Am | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Pontiac | Grand Prix | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Pontiac | LeMans | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Pontiac | LeMans | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Pontiac | Parisienne | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Pontiac | Parisienne | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Pontiac | Phoenix | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Pontiac | Phoenix | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1979 | Pontiac | Sunbird | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Buick | Century | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Buick | Century | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Buick | LeSabre | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Buick | LeSabre | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Buick | Regal | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Buick | Riviera | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Buick | Skylark | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Buick | Skylark | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Chevrolet | C10 | 7.4L | V8 | N/A | Purple; with California emissions; 2 ports. | ||
| 1978 | Chevrolet | C10 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Chevrolet | C10 Suburban | 7.4L | V8 | N/A | Purple; with California emissions; 2 ports. | ||
| 1978 | Chevrolet | C20 | 7.4L | V8 | N/A | Purple; with California emissions; 2 ports. | ||
| 1978 | Chevrolet | C20 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Chevrolet | C20 Suburban | 7.4L | V8 | N/A | Purple; with California emissions; 2 ports. | ||
| 1978 | Chevrolet | C30 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Chevrolet | C30 | 7.4L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Chevrolet | Camaro | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Chevrolet | Camaro | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Chevrolet | Caprice | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Chevrolet | Caprice | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Chevrolet | Corvette | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Chevrolet | El Camino | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Chevrolet | El Camino | 5.7L | V8 | N/A | Purple; with California emissions; 2 ports. | ||
| 1978 | Chevrolet | El Camino | 3.3L | V6 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Chevrolet | G10 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Chevrolet | G20 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Chevrolet | G20 | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Chevrolet | G30 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Chevrolet | Impala | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Chevrolet | Impala | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Chevrolet | K10 | 6.6L | V8 | N/A | Purple; with California emissions; 2 ports. | ||
| 1978 | Chevrolet | K10 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Chevrolet | K10 Suburban | 6.6L | V8 | N/A | Purple; with California emissions; 2 ports. | ||
| 1978 | Chevrolet | K20 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Chevrolet | K20 | 6.6L | V8 | N/A | Purple; with California emissions; 2 ports. | ||
| 1978 | Chevrolet | K30 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Chevrolet | K30 | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Chevrolet | K5 Blazer | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Chevrolet | K5 Blazer | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Chevrolet | Malibu | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Chevrolet | Malibu | 3.3L | V6 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Chevrolet | Malibu | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Chevrolet | Monte Carlo | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Chevrolet | Monte Carlo | 3.3L | V6 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Chevrolet | Nova | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Chevrolet | Nova | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Chevrolet | P20 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Chevrolet | P30 | 7.4L | V8 | N/A | Purple; with California emissions; 2 ports. | ||
| 1978 | GMC | G15 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | GMC | G25 | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | GMC | G25 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | GMC | G35 | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | GMC | G35 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | GMC | Jimmy | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | GMC | Jimmy | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Oldsmobile | Cutlass Salon | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Oldsmobile | Cutlass Supreme | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Oldsmobile | Omega | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Oldsmobile | Omega | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Pontiac | Bonneville | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Pontiac | Catalina | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Pontiac | Firebird | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Pontiac | Firebird | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Pontiac | Grand Am | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Pontiac | Grand Prix | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Pontiac | LeMans | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Pontiac | LeMans | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Pontiac | Parisienne | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Pontiac | Parisienne | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Pontiac | Phoenix | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Pontiac | Phoenix | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1978 | Pontiac | Sunbird | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1977 | Buick | Century | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1977 | Buick | Century | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1977 | Buick | Regal | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1977 | Buick | Regal | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1977 | Buick | Skylark | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1977 | Buick | Skylark | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1977 | Chevrolet | C10 | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1977 | Chevrolet | C10 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1977 | Chevrolet | C10 | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1977 | Chevrolet | C20 | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1977 | Chevrolet | C20 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1977 | Chevrolet | C20 | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1977 | Chevrolet | C30 | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1977 | Chevrolet | C30 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1977 | Chevrolet | Camaro | 5.0L | V8 | N/A | Purple; w/o Calif. Emissions; 2 Ports | ||
| 1977 | Chevrolet | Caprice | 5.0L | V8 | N/A | Purple; w/o Calif. Emissions; 2 Ports | ||
| 1977 | Chevrolet | El Camino | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1977 | Chevrolet | El Camino | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1977 | Chevrolet | G10 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1977 | Chevrolet | G10 | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1977 | Chevrolet | G20 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1977 | Chevrolet | G20 | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1977 | Chevrolet | G30 | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1977 | Chevrolet | G30 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1977 | Chevrolet | Impala | 5.0L | V8 | N/A | Purple; w/o Calif. Emissions; 2 Ports | ||
| 1977 | Chevrolet | K10 | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1977 | Chevrolet | K10 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1977 | Chevrolet | K10 | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1977 | Chevrolet | K20 | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1977 | Chevrolet | K20 | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1977 | Chevrolet | K20 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1977 | Chevrolet | K30 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1977 | Chevrolet | K30 | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1977 | Chevrolet | K5 Blazer | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1977 | Chevrolet | K5 Blazer | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1977 | Chevrolet | K5 Blazer | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1977 | Chevrolet | Malibu | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1977 | Chevrolet | Monte Carlo | 5.0L | V8 | N/A | Purple; w/o Calif. Emissions; 2 Ports | ||
| 1977 | Chevrolet | Monza | 5.0L | V8 | N/A | Purple; w/o Calif. Emissions; 2 Ports | ||
| 1977 | Chevrolet | Nova | 5.0L | V8 | N/A | Purple; w/o Calif. Emissions; 2 Ports | ||
| 1977 | Chevrolet | P10 | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1977 | Chevrolet | P20 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1977 | GMC | G15 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1977 | GMC | G15 | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1977 | GMC | G25 | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1977 | GMC | G25 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1977 | GMC | G35 | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1977 | GMC | G35 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1977 | GMC | Jimmy | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1977 | GMC | Jimmy | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1977 | GMC | Jimmy | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1977 | Oldsmobile | Omega | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1977 | Pontiac | Firebird | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1977 | Pontiac | LeMans | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1977 | Pontiac | Phoenix | 5.0L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1976 | Chevrolet | C10 | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1976 | Chevrolet | C20 | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1976 | Chevrolet | C30 | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1976 | Chevrolet | El Camino | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1976 | Chevrolet | G10 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1976 | Chevrolet | G20 | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1976 | Chevrolet | G20 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1976 | Chevrolet | G30 | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1976 | Chevrolet | G30 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1976 | Chevrolet | K10 | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1976 | Chevrolet | K10 Suburban | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1976 | Chevrolet | K20 | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1976 | Chevrolet | K5 Blazer | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1976 | Chevrolet | P30 | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1976 | GMC | Jimmy | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1975 | Chevrolet | El Camino | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1975 | Chevrolet | G10 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1975 | Chevrolet | G20 | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1975 | Chevrolet | G20 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1975 | Chevrolet | G30 | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1975 | Chevrolet | G30 | 5.7L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1975 | Chevrolet | K10 | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1975 | Chevrolet | K20 | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1975 | Chevrolet | K5 Blazer | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1975 | GMC | G25 | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1975 | GMC | G35 | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. | ||
| 1975 | GMC | Jimmy | 6.6L | V8 | N/A | Ported Vacuum Switch with 2 purple ports. |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
003735101320313206133-1372-118230369123661873-69437P100881059E908EC938
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.