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Standard Ignition PVS16 Ported Vacuum Switch
Reliable Ported Vacuum Switch for GM Vehicles
The Standard Ignition PVS16 ported vacuum switch is designed to provide precise vacuum control for a range of General Motors vehicles. Engineered with two hose connectors and a 3/8" - 18 NPT thread size, this switch ensures compatibility and ease of installation on select Buick, Chevrolet, Cadillac, GMC, Oldsmobile, and Pontiac models.
- Includes one ported vacuum switch with two hose connectors
- Thread size: 3/8" - 18 NPT for secure fitting
- Compatible with multiple GM makes and models including Chevrolet C10, Camaro, and Buick Century
- Durable construction for consistent vacuum regulation
- Part number PVS16 for accurate identification and replacement
Product Details and Specifications
The Standard Ignition PVS16 ported vacuum switch features two hose connectors that allow for efficient vacuum routing within the vehicle’s engine system. The 3/8" - 18 NPT thread size ensures a tight and reliable connection to the vacuum lines, minimizing leaks and maintaining optimal engine performance. This switch is suitable for a wide range of GM vehicles such as the Chevrolet C1500 Suburban, Pontiac Firebird, Cadillac DeVille, and Oldsmobile Cutlass, among others. Its design supports proper vacuum distribution, which is critical for emissions control and engine operation.
Compatible Vehicles and Applications
- Buick models including Century, LeSabre, and Skylark
- Cadillac models such as DeVille and Eldorado
- Chevrolet trucks and cars including C10, C1500, Camaro, and Impala
- GMC trucks like K1500 and C2500 Suburban
- Oldsmobile Cutlass and Delta 88
- Pontiac Firebird, Grand Am, and Sunbird
Common Issues Addressed by the PVS16 Switch
- Irregular vacuum flow causing engine performance issues
- Faulty vacuum switch leading to emissions control malfunctions
- Vacuum leaks due to worn or damaged switches
- Engine stalling or rough idling related to vacuum system failures
- Replacement of OEM vacuum switches in GM vehicles
Installation Notes and Tips
When installing the Standard Ignition PVS16 ported vacuum switch, ensure that the vacuum hoses are securely connected to the two hose connectors to prevent leaks. Use thread sealant compatible with 3/8" - 18 NPT fittings to maintain a tight seal. Verify that the switch is mounted in the correct orientation according to the vehicle’s service manual. It is recommended to inspect surrounding vacuum lines for wear or damage during installation to ensure overall system integrity.
Quality Assurance and Warranty
Standard Ignition parts are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. The PVS16 ported vacuum switch undergoes rigorous quality control to ensure proper function and fitment. While specific warranty details may vary, Standard Ignition typically offers coverage against defects in material and workmanship. Consult product documentation or the manufacturer for exact warranty terms.
| Brand | Standard Ignition |
| Part Number | PVS16 |
| Contents | Ported Vacuum Switch |
| Thread Size - NPT | 3/8" - 18 Thread |
This part fits 369 vehicles. Search below:
| Year | Make | Model | Transmission | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1984 | Oldsmobile | Firenza | 2.0L | L4 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1982 | Buick | Skyhawk | Automatic | 1.8L | L4 | N/A | w/ U.S. Emissions; Blue; 2 Ports |
| 1982 | Cadillac | Cimarron | 1.8L | L4 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1982 | Chevrolet | Cavalier | Automatic | 1.8L | L4 | N/A | Fitment: Ported Vacuum Switch with 2 ports |
| 1982 | Chevrolet | El Camino | 4.4L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1982 | Chevrolet | Malibu | 5.0L | V8 | N/A | OE No. 3031549; Blue; 2 Ports | |
| 1982 | Oldsmobile | Firenza | 1.8L | L4 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1982 | Pontiac | Acadian | 1.8L | L4 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1982 | Pontiac | J2000 | 1.8L | L4 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1981 | Buick | Century | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1981 | Buick | LeSabre | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1981 | Buick | Riviera | 5.0L | V8 | N/A | OE No. 3031549; Blue; 104 Deg.; 2 Ports | |
| 1981 | Chevrolet | Bel Air | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1981 | Chevrolet | Bel Air | 4.4L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1981 | Chevrolet | Camaro | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1981 | Chevrolet | Camaro | 4.4L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1981 | Chevrolet | Camaro | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1981 | Chevrolet | Caprice | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1981 | Chevrolet | Caprice | 4.4L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1981 | Chevrolet | Caprice | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1981 | Chevrolet | Corvette | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1981 | Chevrolet | El Camino | 4.4L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1981 | Chevrolet | El Camino | 3.8L | V6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1981 | Chevrolet | Impala | 4.4L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1981 | Chevrolet | Impala | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1981 | Chevrolet | Impala | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1981 | Chevrolet | Malibu | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1981 | Chevrolet | Malibu | 5.0L | V8 | N/A | OE No. 3031549; Blue; 2 Ports | |
| 1981 | Chevrolet | Malibu | 4.4L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1981 | Chevrolet | Monte Carlo | 4.4L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1981 | Chevrolet | Monte Carlo | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1981 | Oldsmobile | Cutlass | 4.4L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1981 | Oldsmobile | Delta 88 | 4.4L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1981 | Pontiac | Firebird | 4.9L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1981 | Pontiac | Firebird | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1981 | Pontiac | Grand LeMans | 4.9L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1981 | Pontiac | Grand Prix | 4.4L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1981 | Pontiac | LeMans | 4.9L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1981 | Pontiac | LeMans | 4.4L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1980 | Buick | Century | 5.0L | V8 | N/A | w/ Canada Emissions; w/ Calif. Emissions; Blue; 2 Ports | |
| 1980 | Buick | Regal | 5.0L | V8 | N/A | w/ Canada Emissions; w/ Calif. Emissions; Blue; 2 Ports | |
| 1980 | Buick | Riviera | 5.0L | V8 | N/A | w/ Canada Emissions; w/ Calif. Emissions; Blue; 104 Deg.; 2 Ports | |
| 1980 | Buick | Skyhawk | 3.8L | V6 | N/A | ||
| 1980 | Chevrolet | C10 | 4.1L | L6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1980 | Chevrolet | C10 Suburban | 4.1L | L6 | N/A | w/ Calif. Emissions; Blue; 2 Ports | |
| 1980 | Chevrolet | C20 | 4.1L | L6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1980 | Chevrolet | Camaro | 4.4L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1980 | Chevrolet | Camaro | 5.0L | V8 | N/A | OE No. 3031549; Blue; 2 Ports | |
| 1980 | Chevrolet | Camaro | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1980 | Chevrolet | Caprice | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1980 | Chevrolet | Caprice | 4.4L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1980 | Chevrolet | Caprice | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1980 | Chevrolet | Corvette | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1980 | Chevrolet | Corvette | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1980 | Chevrolet | El Camino | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1980 | Chevrolet | El Camino | 4.4L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1980 | Chevrolet | G10 | 4.1L | L6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1980 | Chevrolet | G20 | 4.1L | L6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1980 | Chevrolet | Impala | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1980 | Chevrolet | Impala | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1980 | Chevrolet | Impala | 4.4L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1980 | Chevrolet | K10 | 4.1L | L6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1980 | Chevrolet | K10 Suburban | 4.1L | L6 | N/A | w/ Calif. Emissions; Blue; 2 Ports | |
| 1980 | Chevrolet | K5 Blazer | 4.1L | L6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1980 | Chevrolet | Malibu | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1980 | Chevrolet | Malibu | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1980 | Chevrolet | Malibu | 4.4L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1980 | Chevrolet | Monte Carlo | 4.4L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1980 | Chevrolet | Monte Carlo | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1980 | GMC | C1500 | N/A | OE No. 3031549; Blue; 2 Ports | |||
| 1980 | GMC | C1500 Suburban | N/A | Fitment: Ported Vacuum Switch with 2 ports | |||
| 1980 | GMC | C2500 | N/A | OE No. 3031549; Blue; 2 Ports | |||
| 1980 | GMC | C2500 Suburban | N/A | Fitment: Ported Vacuum Switch with 2 ports | |||
| 1980 | GMC | C3500 | N/A | OE No. 3031549; Blue; 2 Ports | |||
| 1980 | GMC | G1500 | 4.1L | L6 | N/A | OE No. 3031549; Blue; 2 Ports | |
| 1980 | GMC | G2500 | 4.1L | L6 | N/A | OE No. 3031549; Blue; 2 Ports | |
| 1980 | GMC | Jimmy | N/A | OE No. 3031549; Blue; 2 Ports | |||
| 1980 | GMC | K1500 | N/A | OE No. 3031549; Blue; 2 Ports | |||
| 1980 | GMC | K1500 Suburban | N/A | Fitment: Ported Vacuum Switch with 2 ports | |||
| 1980 | GMC | K2500 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |||
| 1980 | GMC | K2500 Suburban | N/A | Fitment: Ported Vacuum Switch with 2 ports | |||
| 1980 | GMC | K3500 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |||
| 1980 | Oldsmobile | Cutlass | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1980 | Oldsmobile | Cutlass Calais | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1980 | Oldsmobile | Cutlass Cruiser | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1980 | Oldsmobile | Cutlass Salon | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1980 | Pontiac | Firebird | 5.0L | V8 | N/A | w/o Calif. Emissions; Blue; 2 Ports | |
| 1980 | Pontiac | Firebird | 4.9L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1980 | Pontiac | Grand Am | 5.0L | V8 | N/A | w/o Calif. Emissions; Blue; 2 Ports | |
| 1980 | Pontiac | Grand Prix | 5.0L | V8 | N/A | OE No. 3031549; w/o Calif. Emissions; Blue; 2 Ports | |
| 1980 | Pontiac | LeMans | 5.0L | V8 | N/A | OE No. 3031549; Blue; 2 Ports | |
| 1979 | Buick | Century | 4.9L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Buick | Century | 5.0L | V8 | N/A | OE No. 3031549; Blue; 2 Ports | |
| 1979 | Buick | Century | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Buick | LeSabre | 4.9L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Buick | LeSabre | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Buick | Regal | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Buick | Regal | 4.9L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Buick | Skyhawk | 3.8L | V6 | N/A | ||
| 1979 | Buick | Skylark | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Buick | Skylark | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Chevrolet | C10 | 4.1L | L6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Chevrolet | C10 Suburban | 4.1L | L6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Chevrolet | C20 | 4.1L | L6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Chevrolet | C20 Suburban | 4.8L | L6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Chevrolet | C30 | 4.1L | L6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Chevrolet | C30 | 4.8L | L6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Chevrolet | Camaro | N/A | Fitment: Ported Vacuum Switch with 2 ports | |||
| 1979 | Chevrolet | Caprice | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Chevrolet | Caprice | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Chevrolet | Caprice | 4.1L | L6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Chevrolet | Corvette | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Chevrolet | El Camino | 4.4L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Chevrolet | El Camino | 5.0L | V8 | N/A | OE No. 3031549; Blue; 2 Ports | |
| 1979 | Chevrolet | El Camino | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Chevrolet | G10 | 4.1L | L6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Chevrolet | G20 | 4.1L | L6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Chevrolet | G30 | 4.1L | L6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Chevrolet | Impala | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Chevrolet | Impala | 4.1L | L6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Chevrolet | Impala | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Chevrolet | K10 | 4.1L | L6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Chevrolet | K10 Suburban | 4.1L | L6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Chevrolet | K20 | 4.1L | L6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Chevrolet | K20 | 4.8L | L6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Chevrolet | K20 Suburban | 4.8L | L6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Chevrolet | K30 | 4.8L | L6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Chevrolet | K5 Blazer | 4.1L | L6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Chevrolet | Malibu | 4.4L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Chevrolet | Malibu | 3.3L | V6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Chevrolet | Malibu | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Chevrolet | Malibu | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Chevrolet | Monte Carlo | 3.3L | V6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Chevrolet | Monte Carlo | 4.4L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Chevrolet | Monte Carlo | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Chevrolet | Monza | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Chevrolet | Nova | 4.1L | L6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Chevrolet | Nova | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Chevrolet | Nova | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Chevrolet | P10 | 4.8L | L6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Chevrolet | P20 | 4.8L | L6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Chevrolet | P30 | 4.8L | L6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Chevrolet | P30 | 4.1L | L6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | GMC | C1500 Suburban | N/A | OE No. 3031549; Blue; 2 Ports | |||
| 1979 | GMC | C2500 | N/A | OE No. 3031549; Blue; 2 Ports | |||
| 1979 | GMC | C2500 Suburban | N/A | Fitment: Ported Vacuum Switch with 2 ports | |||
| 1979 | GMC | C3500 | N/A | OE No. 3031549; Blue; 2 Ports | |||
| 1979 | GMC | G1500 | 4.1L | L6 | N/A | OE No. 3031549; Blue; 2 Ports | |
| 1979 | GMC | G2500 | 4.1L | L6 | N/A | OE No. 3031549; Blue; 2 Ports | |
| 1979 | GMC | G3500 | 4.1L | L6 | N/A | OE No. 3031549; Blue; 2 Ports | |
| 1979 | GMC | Jimmy | N/A | OE No. 3031549; Blue; 2 Ports | |||
| 1979 | GMC | K1500 | N/A | OE No. 3031549; Blue; 2 Ports | |||
| 1979 | GMC | K1500 Suburban | N/A | Fitment: Ported Vacuum Switch with 2 ports | |||
| 1979 | GMC | K2500 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |||
| 1979 | GMC | K2500 Suburban | N/A | Fitment: Ported Vacuum Switch with 2 ports | |||
| 1979 | GMC | K3500 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |||
| 1979 | GMC | P1500 | 4.8L | L6 | N/A | OE No. 3031549; Blue; 2 Ports | |
| 1979 | GMC | P2500 | 4.8L | L6 | N/A | OE No. 3031549; Blue; 2 Ports | |
| 1979 | GMC | P3500 | 4.8L | L6 | N/A | OE No. 3031549; Blue; 2 Ports | |
| 1979 | Oldsmobile | 98 | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Oldsmobile | Custom Cruiser | 6.6L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Oldsmobile | Custom Cruiser | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Oldsmobile | Cutlass | 5.0L | V8 | N/A | OE No. 3031549; Blue; 2 Ports | |
| 1979 | Oldsmobile | Cutlass Calais | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Oldsmobile | Cutlass Calais | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Oldsmobile | Cutlass Salon | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Oldsmobile | Cutlass Salon | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Oldsmobile | Delta 88 | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Oldsmobile | Omega | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Oldsmobile | Omega | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Oldsmobile | Starfire | 5.0L | V8 | N/A | OE No. 3031549; Blue; 2 Ports | |
| 1979 | Oldsmobile | Toronado | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Pontiac | Firebird | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Pontiac | Firebird | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Pontiac | Firebird | 4.9L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Pontiac | Grand Am | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Pontiac | Grand LeMans | 5.0L | V8 | N/A | OE No. 3031549; Blue; 2 Ports | |
| 1979 | Pontiac | Grand Prix | 5.0L | V8 | N/A | OE No. 3031549; Blue; 2 Ports | |
| 1979 | Pontiac | Laurentian | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Pontiac | LeMans | 5.0L | V8 | N/A | OE No. 3031549; Blue; 2 Ports | |
| 1979 | Pontiac | LeMans | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Pontiac | Parisienne | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Pontiac | Phoenix | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Pontiac | Phoenix | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1979 | Pontiac | Sunbird | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1978 | Chevrolet | C10 | 4.1L | L6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1978 | Chevrolet | C10 | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1978 | Chevrolet | C20 | 7.4L | V8 | N/A | OE No. 3031549; w/ Calif. Emissions; Blue; 2 Ports | |
| 1978 | Chevrolet | C20 | 4.1L | L6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1978 | Chevrolet | C20 | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1978 | Chevrolet | C30 | 7.4L | V8 | N/A | OE No. 3031549; w/ Calif. Emissions; Blue; 2 Ports | |
| 1978 | Chevrolet | C30 | 4.1L | L6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1978 | Chevrolet | C30 | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1978 | Chevrolet | Camaro | 4.1L | L6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1978 | Chevrolet | Camaro | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1978 | Chevrolet | Caprice | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1978 | Chevrolet | Caprice | 4.1L | L6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1978 | Chevrolet | El Camino | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1978 | Chevrolet | G10 | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1978 | Chevrolet | G10 | 4.1L | L6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1978 | Chevrolet | G20 | 6.6L | V8 | N/A | w/ Calif. Emissions; Blue; 2 Ports | |
| 1978 | Chevrolet | G20 | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1978 | Chevrolet | G30 | 4.1L | L6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1978 | Chevrolet | G30 | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1978 | Chevrolet | Impala | 5.0L | V8 | N/A | OE No. 3031549; Blue; 2 Ports | |
| 1978 | Chevrolet | Impala | 4.1L | L6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1978 | Chevrolet | K10 | 4.1L | L6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1978 | Chevrolet | K10 | 6.6L | V8 | N/A | w/ Calif. Emissions; Blue; 2 Ports | |
| 1978 | Chevrolet | K10 | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1978 | Chevrolet | K10 Suburban | 6.6L | V8 | N/A | w/ Calif. Emissions; Blue; 2 Ports | |
| 1978 | Chevrolet | K20 | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1978 | Chevrolet | K20 | 6.6L | V8 | N/A | w/ Calif. Emissions; Blue; 2 Ports | |
| 1978 | Chevrolet | K20 | 4.1L | L6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1978 | Chevrolet | K30 | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1978 | Chevrolet | K30 | 6.6L | V8 | N/A | w/ Calif. Emissions; Blue; 2 Ports | |
| 1978 | Chevrolet | K5 Blazer | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1978 | Chevrolet | K5 Blazer | 4.1L | L6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1978 | Chevrolet | K5 Blazer | 6.6L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1978 | Chevrolet | Malibu | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1978 | Chevrolet | Monte Carlo | 5.0L | V8 | N/A | OE No. 3031549; Blue; 2 Ports | |
| 1978 | Chevrolet | Monza | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1978 | Chevrolet | Nova | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1978 | Chevrolet | Nova | 4.1L | L6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1978 | Chevrolet | P20 | 5.7L | V8 | N/A | w/ Calif. Emissions; Blue; 2 Ports | |
| 1978 | Chevrolet | P30 | 7.4L | V8 | N/A | OE No. 3031549; w/ Calif. Emissions; Blue; 2 Ports | |
| 1978 | Chevrolet | P30 | 5.7L | V8 | N/A | w/ Calif. Emissions; Blue; 2 Ports | |
| 1978 | GMC | G15 | 5.7L | V8 | N/A | OE No. 3031549; Blue; 2 Ports | |
| 1978 | GMC | G15 | 4.1L | L6 | N/A | OE No. 3031549; Blue; 2 Ports | |
| 1978 | GMC | G25 | 5.7L | V8 | N/A | OE No. 3031549; Blue; 2 Ports | |
| 1978 | GMC | G25 | 6.6L | V8 | N/A | OE No. 3031549; w/ Calif. Emissions; Blue; 2 Ports | |
| 1978 | GMC | G35 | 4.1L | L6 | N/A | OE No. 3031549; Blue; 2 Ports | |
| 1978 | GMC | G35 | 5.7L | V8 | N/A | OE No. 3031549; Blue; 2 Ports | |
| 1978 | GMC | G35 | 6.6L | V8 | N/A | OE No. 3031549; w/ Calif. Emissions; Blue; 2 Ports | |
| 1978 | GMC | Jimmy | 5.7L | V8 | N/A | OE No. 3031549; Blue; 2 Ports | |
| 1978 | GMC | Jimmy | 6.6L | V8 | N/A | OE No. 3031549; Blue; 2 Ports | |
| 1978 | GMC | Jimmy | 4.1L | L6 | N/A | OE No. 3031549; Blue; 2 Ports | |
| 1978 | Oldsmobile | Custom Cruiser | 6.6L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1978 | Oldsmobile | Custom Cruiser | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1978 | Oldsmobile | Cutlass | 5.0L | V8 | N/A | OE No. 3031549; Blue; 2 Ports | |
| 1978 | Oldsmobile | Cutlass | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1978 | Oldsmobile | Cutlass Calais | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1978 | Oldsmobile | Cutlass Salon | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1978 | Oldsmobile | Delta 88 | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1978 | Oldsmobile | Omega | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1978 | Oldsmobile | Omega | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1978 | Oldsmobile | Starfire | 5.0L | V8 | N/A | OE No. 3031549; Blue; 2 Ports | |
| 1978 | Pontiac | Firebird | 5.0L | V8 | N/A | OE No. 3031549; Blue; 2 Ports | |
| 1978 | Pontiac | Grand Am | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1978 | Pontiac | Grand LeMans | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1978 | Pontiac | Grand Prix | 5.0L | V8 | N/A | OE No. 3031549; Blue; 2 Ports | |
| 1978 | Pontiac | Laurentian | 5.0L | V8 | N/A | ||
| 1978 | Pontiac | LeMans | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1978 | Pontiac | Parisienne | 5.0L | V8 | N/A | OE No. 3031549; Blue; 2 Ports | |
| 1978 | Pontiac | Phoenix | 5.0L | V8 | N/A | OE No. 3031549; Blue; 2 Ports | |
| 1978 | Pontiac | Sunbird | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1977 | Chevrolet | C10 | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1977 | Chevrolet | C10 Suburban | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1977 | Chevrolet | C20 | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1977 | Chevrolet | C20 Suburban | 6.6L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1977 | Chevrolet | C20 Suburban | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1977 | Chevrolet | C30 | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1977 | Chevrolet | Camaro | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1977 | Chevrolet | Camaro | 4.1L | L6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1977 | Chevrolet | Caprice | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1977 | Chevrolet | Caprice | 4.1L | L6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1977 | Chevrolet | Chevette | 1.4L | L4 | N/A | w/ Federal Emissions; Blue; 2 Ports | |
| 1977 | Chevrolet | Chevette | 1.6L | L4 | N/A | w/ Federal Emissions; Blue; 2 Ports | |
| 1977 | Chevrolet | El Camino | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1977 | Chevrolet | El Camino | 4.1L | L6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1977 | Chevrolet | El Camino | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1977 | Chevrolet | G10 | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1977 | Chevrolet | G20 | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1977 | Chevrolet | G30 | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1977 | Chevrolet | Impala | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1977 | Chevrolet | Impala | 4.1L | L6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1977 | Chevrolet | K10 | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1977 | Chevrolet | K10 Suburban | N/A | ||||
| 1977 | Chevrolet | K20 | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1977 | Chevrolet | K20 Suburban | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1977 | Chevrolet | K20 Suburban | 6.6L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1977 | Chevrolet | K30 | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1977 | Chevrolet | Malibu | 4.1L | L6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1977 | Chevrolet | Malibu | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1977 | Chevrolet | Monte Carlo | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1977 | Chevrolet | Monza | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1977 | Chevrolet | Nova | 4.1L | L6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1977 | Chevrolet | Nova | 5.0L | V8 | N/A | OE No. 3031549; Blue; 2 Ports | |
| 1977 | Chevrolet | P20 | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1977 | Chevrolet | P30 | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1977 | GMC | Jimmy | 4.1L | L6 | N/A | OE No. 3031549; Blue; 2 Ports | |
| 1977 | GMC | Jimmy | 5.7L | V8 | N/A | OE No. 3031549; Blue; 2 Ports | |
| 1977 | GMC | Jimmy | 6.6L | V8 | N/A | OE No. 3031549; Blue; 2 Ports | |
| 1977 | Oldsmobile | Omega | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1977 | Oldsmobile | Starfire | 5.0L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1976 | Chevrolet | C10 | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1976 | Chevrolet | C10 Suburban | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1976 | Chevrolet | C20 | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1976 | Chevrolet | C20 Suburban | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1976 | Chevrolet | C20 Suburban | 6.6L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1976 | Chevrolet | C30 | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1976 | Chevrolet | Camaro | 4.1L | L6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1976 | Chevrolet | Chevette | 1.6L | L4 | N/A | w/ Federal Emissions; Blue; 2 Ports | |
| 1976 | Chevrolet | Chevette | 1.4L | L4 | N/A | w/ Federal Emissions; Blue; 2 Ports | |
| 1976 | Chevrolet | El Camino | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1976 | Chevrolet | El Camino | 4.1L | L6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1976 | Chevrolet | G10 | 6.6L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1976 | Chevrolet | K10 | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1976 | Chevrolet | K10 Suburban | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1976 | Chevrolet | K20 | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1976 | Chevrolet | K20 Suburban | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1976 | Chevrolet | K20 Suburban | 6.6L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1976 | Chevrolet | K5 Blazer | 6.6L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1976 | Chevrolet | K5 Blazer | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1976 | Chevrolet | Malibu | 4.1L | L6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1976 | Chevrolet | Nova | 4.1L | L6 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1976 | Chevrolet | P20 | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1976 | Chevrolet | P30 | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1976 | GMC | G15 | 5.7L | V8 | N/A | OE No. 3031549; Blue; 2 Ports | |
| 1976 | GMC | G25 | 5.7L | V8 | N/A | OE No. 3031549; Blue; 2 Ports | |
| 1976 | GMC | G35 | 5.7L | V8 | N/A | OE No. 3031549; Blue; 2 Ports | |
| 1976 | GMC | G35 | 7.4L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1976 | GMC | Jimmy | 5.7L | V8 | N/A | OE No. 3031549; Blue; 2 Ports | |
| 1975 | Chevrolet | Bel Air | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1975 | Chevrolet | Bel Air | 6.6L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1975 | Chevrolet | C10 | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1975 | Chevrolet | C10 Suburban | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1975 | Chevrolet | C20 | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1975 | Chevrolet | C20 Suburban | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1975 | Chevrolet | C30 | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1975 | Chevrolet | Camaro | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1975 | Chevrolet | Caprice | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1975 | Chevrolet | Caprice | 6.6L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1975 | Chevrolet | Corvette | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1975 | Chevrolet | El Camino | 6.6L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1975 | Chevrolet | El Camino | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1975 | Chevrolet | G10 | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1975 | Chevrolet | G20 | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1975 | Chevrolet | G30 | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1975 | Chevrolet | Impala | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1975 | Chevrolet | Impala | 6.6L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1975 | Chevrolet | K10 | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1975 | Chevrolet | K10 Suburban | 6.6L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1975 | Chevrolet | K10 Suburban | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1975 | Chevrolet | K20 | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1975 | Chevrolet | K20 Suburban | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1975 | Chevrolet | K20 Suburban | 6.6L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1975 | Chevrolet | K5 Blazer | 4.1L | L6 | N/A | Blue; 104 Deg.; 2 Ports | |
| 1975 | Chevrolet | K5 Blazer | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1975 | Chevrolet | Malibu | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1975 | Chevrolet | Malibu | 6.6L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1975 | Chevrolet | Monte Carlo | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1975 | Chevrolet | Monte Carlo | 6.6L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1975 | Chevrolet | Monza | 4.3L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1975 | Chevrolet | Nova | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1975 | Chevrolet | Nova | 4.3L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1975 | Chevrolet | P10 | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1975 | Chevrolet | P20 | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1975 | Chevrolet | P30 | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1975 | GMC | G15 | 5.7L | V8 | N/A | OE No. 3031549; Blue; 2 Ports | |
| 1975 | GMC | G25 | 5.7L | V8 | N/A | OE No. 3031549; Blue; 2 Ports | |
| 1975 | GMC | G35 | 5.7L | V8 | N/A | OE No. 3031549; Blue; 2 Ports | |
| 1975 | GMC | Jimmy | 5.7L | V8 | N/A | OE No. 3031549; Blue; 2 Ports | |
| 1974 | Chevrolet | C10 Suburban | 7.4L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1974 | Chevrolet | C10 Suburban | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1974 | Chevrolet | C20 Suburban | 7.4L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1974 | Chevrolet | C20 Suburban | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1974 | Chevrolet | K10 Suburban | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1974 | Chevrolet | K20 Suburban | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 ports | |
| 1974 | GMC | G35/G3500 Van | 5.7L | V8 | N/A | Fitment: Ported Vacuum Switch with 2 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.