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Standard IgnitionPart #: PS-270
Standard Ignition PS-270 Engine Oil Pressure Switch
⚙️ 101 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$27.88Free Shipping
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✅ In Stock · Ready To Ship
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✅OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Buick, Oldsmobile, and Pontiac, LeSabre, Riviera, 88, LSS, Regency, Park Avenue, Regal, 98, Bonneville, Century, Cutlass Ciera, Cutlass Cruiser, Delta 88, Electra, and Toronado
🔄Easy Returns — Return within 60 days for a full refund
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Not what you need? Click here for all Engine Oil Pressure Switch options
Reliable Engine Oil Pressure Switch for Buick, Oldsmobile, and Pontiac
The Standard Ignition PS-270 Engine Oil Pressure Switch is designed to provide accurate oil pressure monitoring for select Buick, Oldsmobile, and Pontiac vehicles. This switch features a female connector and four male blade terminals, ensuring secure and reliable electrical connections.
- Connector Gender: Female for easy plug-in installation
- Terminal Gender: Male terminals for secure contact
- Terminal Quantity: 4 terminals to support multiple circuit connections
- Terminal Type: 4 blade terminals designed for durability and consistent performance
- Compatible with various Buick, Oldsmobile, and Pontiac models including 88, 98, Bonneville, Century, Cutlass Ciera, and more
Product Details and Specifications
The PS-270 Engine Oil Pressure Switch from Standard Ignition is engineered to meet OEM specifications for a range of Buick, Oldsmobile, and Pontiac vehicles. Its female connector design allows for straightforward installation, while the four male blade terminals provide multiple connection points for accurate oil pressure signal transmission. This switch is suitable for models such as the Buick LeSabre, Oldsmobile Delta 88, and Pontiac Grand Prix, among others. The 4 blade terminal configuration ensures a stable electrical interface, reducing the risk of signal loss or failure.
Compatible Vehicles and Applications
This engine oil pressure switch is compatible with the following makes and models:
- Buick: 88, 98, LeSabre, Park Avenue, Century
- Oldsmobile: Cutlass Ciera, Cutlass Cruiser, Delta 88, LSS, Regency, Riviera
- Pontiac: Bonneville, Grand Prix, Grand Am, Firebird, Toronado
Common Issues Addressed by the PS-270 Switch
- Inaccurate or fluctuating oil pressure readings
- Oil pressure warning light failures
- Intermittent electrical connection problems in the oil pressure circuit
- Engine oil pressure sensor malfunctions causing engine performance issues
- Replacement of worn or damaged oil pressure switches in Buick, Oldsmobile, and Pontiac vehicles
Installation Notes and Tips
- Ensure the engine is cool before beginning installation to avoid burns or injury
- Disconnect the battery to prevent electrical shorts during replacement
- Verify the connector gender and terminal type match the vehicle’s wiring harness
- Use appropriate tools to avoid damaging the blade terminals during installation
- After installation, check for proper oil pressure readings and warning light operation
Quality Assurance and Warranty
Standard Ignition parts are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The PS-270 Engine Oil Pressure Switch undergoes rigorous quality control testing to maintain consistent functionality. This part is backed by Standard Ignition’s limited warranty, providing coverage against defects in materials and workmanship under normal use.
| Brand | Standard Ignition |
| Part Number | PS-270 |
| Connector Gender | Female |
| Terminal Gender | Male |
| Terminal Type | 4 Blade Terminals |
This part fits 101 vehicles. Search below:
| Year | Make | Model | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1999 | Buick | LeSabre | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |||
| 1999 | Buick | Riviera | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |||
| 1999 | Buick | Riviera | N/A | Gauge; Alternate Number | |||
| 1999 | Oldsmobile | 88 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |||
| 1999 | Oldsmobile | 88 | N/A | Gauge; Alternate Number | |||
| 1999 | Oldsmobile | LSS | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |||
| 1999 | Oldsmobile | LSS | N/A | Gauge; Alternate Number | |||
| 1998 | Buick | LeSabre | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |||
| 1998 | Buick | Riviera | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |||
| 1998 | Buick | Riviera | N/A | Gauge; Alternate Number | |||
| 1998 | Oldsmobile | 88 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |||
| 1998 | Oldsmobile | 88 | N/A | Gauge; Alternate Number | |||
| 1998 | Oldsmobile | LSS | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |||
| 1998 | Oldsmobile | LSS | N/A | Gauge; Alternate Number | |||
| 1998 | Oldsmobile | Regency | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |||
| 1997 | Buick | LeSabre | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |||
| 1997 | Buick | Riviera | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |||
| 1997 | Buick | Riviera | N/A | Gauge; Alternate Number | |||
| 1997 | Oldsmobile | 88 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |||
| 1997 | Oldsmobile | 88 | N/A | Gauge; Alternate Number | |||
| 1997 | Oldsmobile | LSS | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |||
| 1997 | Oldsmobile | LSS | N/A | Gauge; Alternate Number | |||
| 1997 | Oldsmobile | Regency | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |||
| 1997 | Oldsmobile | Regency | N/A | Gauge; Alternate Number | |||
| 1996 | Buick | LeSabre | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |||
| 1996 | Buick | Park Avenue | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |||
| 1996 | Buick | Regal | 3.8L | V6 | N/A | Gauge; Alternate Number | |
| 1996 | Buick | Riviera | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |||
| 1996 | Buick | Riviera | N/A | Gauge; Alternate Number | |||
| 1996 | Oldsmobile | 88 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |||
| 1996 | Oldsmobile | 88 | N/A | Gauge; Alternate Number | |||
| 1996 | Oldsmobile | 98 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |||
| 1996 | Oldsmobile | LSS | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |||
| 1996 | Oldsmobile | LSS | N/A | Gauge; Alternate Number | |||
| 1995 | Buick | LeSabre | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |||
| 1995 | Buick | Park Avenue | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |||
| 1995 | Buick | Regal | 3.8L | V6 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |
| 1995 | Buick | Regal | N/A | Gauge; Alternate Number | |||
| 1995 | Buick | Riviera | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |||
| 1995 | Buick | Riviera | N/A | Gauge; Alternate Number | |||
| 1995 | Oldsmobile | 88 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |||
| 1995 | Oldsmobile | 88 | N/A | Gauge; Alternate Number | |||
| 1995 | Oldsmobile | 98 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |||
| 1994 | Buick | LeSabre | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |||
| 1994 | Buick | Park Avenue | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |||
| 1994 | Buick | Regal | 3.8L | V6 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |
| 1994 | Oldsmobile | 88 | Sedan | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | ||
| 1994 | Oldsmobile | 88 | N/A | Gauge; Alternate Number | |||
| 1994 | Oldsmobile | 98 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |||
| 1994 | Pontiac | Bonneville | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |||
| 1993 | Buick | Century | 3.1L | V6 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |
| 1993 | Buick | Century | 3.3L | V6 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |
| 1993 | Buick | Century | N/A | Gauge; Alternate Number | |||
| 1993 | Buick | LeSabre | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |||
| 1993 | Buick | Park Avenue | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |||
| 1993 | Buick | Regal | 3.8L | V6 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |
| 1993 | Buick | Riviera | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |||
| 1993 | Oldsmobile | 88 | Sedan | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | ||
| 1993 | Oldsmobile | 88 | N/A | Gauge; Alternate Number | |||
| 1993 | Oldsmobile | 98 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |||
| 1993 | Oldsmobile | Cutlass Ciera | 3.3L | V6 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |
| 1993 | Oldsmobile | Cutlass Ciera | N/A | Gauge; Alternate Number | |||
| 1993 | Oldsmobile | Cutlass Cruiser | 3.3L | V6 | N/A | 4 Term.; Light | |
| 1993 | Oldsmobile | Cutlass Cruiser | N/A | Gauge; Alternate Number | |||
| 1993 | Pontiac | Bonneville | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |||
| 1992 | Buick | Century | 3.3L | V6 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |
| 1992 | Buick | Century | N/A | Gauge; Alternate Number | |||
| 1992 | Buick | LeSabre | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |||
| 1992 | Buick | Park Avenue | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |||
| 1992 | Buick | Regal | 3.8L | V6 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |
| 1992 | Buick | Riviera | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |||
| 1992 | Oldsmobile | 88 | Sedan | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | ||
| 1992 | Oldsmobile | 88 | N/A | Gauge; Alternate Number | |||
| 1992 | Oldsmobile | 98 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |||
| 1992 | Oldsmobile | Cutlass Ciera | 3.3L | V6 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |
| 1992 | Oldsmobile | Cutlass Cruiser | 3.3L | V6 | N/A | 4 Term.; Light | |
| 1992 | Pontiac | Bonneville | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |||
| 1991 | Buick | Century | 3.3L | V6 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |
| 1991 | Buick | Century | N/A | Gauge; Alternate Number | |||
| 1991 | Buick | LeSabre | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |||
| 1991 | Buick | Park Avenue | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |||
| 1991 | Buick | Regal | 3.8L | V6 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |
| 1991 | Buick | Riviera | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |||
| 1991 | Oldsmobile | 98 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |||
| 1991 | Oldsmobile | Cutlass Ciera | 3.3L | V6 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |
| 1991 | Oldsmobile | Cutlass Cruiser | 3.3L | V6 | N/A | 4 Term.; Light | |
| 1991 | Oldsmobile | Delta 88 | 3.8L | V6 | N/A | w/ Gauge and Light; 4 Term.; Light | |
| 1991 | Oldsmobile | Delta 88 | N/A | w/ Digital Dash; Short Design; Gauge | |||
| 1991 | Pontiac | Bonneville | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |||
| 1991 | Pontiac | Bonneville | N/A | Short Design; Gauge; Alternate Number | |||
| 1990 | Buick | LeSabre | 3.8L | V6 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |
| 1990 | Buick | LeSabre | 3.8L | V6 | N/A | 4 Term.; Gauge; Alternate Number | |
| 1990 | Buick | Regal | 3.8L | V6 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |
| 1990 | Buick | Regal | 3.1L | V6 | N/A | 4 Term.; Light | |
| 1990 | Oldsmobile | 98 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |||
| 1990 | Oldsmobile | 98 | N/A | Short Design; 4 Term.; Gauge; Alternate Number | |||
| 1990 | Oldsmobile | Delta 88 | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |||
| 1990 | Oldsmobile | Delta 88 | N/A | Gauge; Alternate Number | |||
| 1990 | Oldsmobile | Toronado | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |||
| 1990 | Pontiac | Bonneville | N/A | Engine Oil Pressure Switch fits various car and truck makes and models. | |||
| 1990 | Pontiac | Bonneville | N/A | Short Design; Gauge; Alternate Number |
* 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:
1S66472-81392553547950125053-335955730859A10297G38139OP6689OP6689SBPS191PS234PS270TS4116SBC1066
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.