HomeStandard Ignition PS-258 Engine Oil Pressure Switch
Part #: PS-258

Standard Ignition PS-258 Engine Oil Pressure Switch

⚙️ 29 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Buick, Cadillac, Oldsmobile, and Pontiac, 98, Allante, Bonneville, Delta 88, LeSabre, Reatta, Riviera, and Toronado
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Reliable Engine Oil Pressure Switch for Buick and Cadillac Models

The Standard Ignition PS-258 Engine Oil Pressure Switch is designed to provide accurate oil pressure monitoring for select Buick, Cadillac, 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 and secure connection
  • Terminal Gender: Male blade terminals for compatibility
  • Terminal Quantity: 4 terminals to support multiple circuit connections
  • Terminal Type: Blade terminals for standard automotive wiring
  • Compatible with Buick, Cadillac, Oldsmobile, and Pontiac models including 98, Allante, Bonneville, Delta 88, LeSabre, Reatta, Riviera, and Toronado

Product Details and Specifications

The PS-258 Engine Oil Pressure Switch from Standard Ignition is engineered to meet OEM specifications for reliable performance. Its female connector design allows for a secure fit with the vehicle’s wiring harness, while the four male blade terminals provide stable electrical contact. This switch is suitable for monitoring engine oil pressure in various GM vehicles, including Buick LeSabre and Cadillac Allante models. The blade terminal type is commonly used in automotive applications, ensuring compatibility with existing wiring setups.

Applications and Common Issues Addressed

  • Monitors engine oil pressure to prevent engine damage
  • Replaces faulty or leaking oil pressure switches
  • Resolves inaccurate oil pressure gauge readings
  • Prevents oil pressure warning light malfunctions
  • Ensures proper engine lubrication system operation

Installation Notes and Tips

When installing the Standard Ignition PS-258 switch, ensure the female connector is properly aligned with the vehicle’s wiring harness. Verify that all four male blade terminals are securely connected to avoid intermittent electrical issues. It is recommended to check the oil pressure system for leaks and proper function after installation. Use appropriate tools to avoid damaging the terminals or connector during installation.

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM standards, providing dependable performance for your vehicle. The PS-258 Engine Oil Pressure Switch undergoes rigorous quality control to ensure durability and accuracy. Please refer to Standard Ignition’s warranty policy for specific coverage details.

BrandStandard Ignition
Part NumberPS-258
Connector GenderFemale
Terminal GenderMale
Terminal Quantity4
Terminal TypeBlade

This part fits 29 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1991BuickLeSabreN/ACompatible with engines that have oil pressure gauges.
1991OldsmobileDelta 88N/Aw/o Digital Dash; Long Design; Gauge
1991PontiacBonnevilleN/ALong Design; Gauge
1990BuickLeSabre5.0LV8N/ACompatible with engines that have oil pressure gauges.
1990BuickReattaN/ACompatible with engines that have oil pressure gauges.
1990BuickRivieraN/ACompatible with engines that have oil pressure gauges.
1990BuickRivieraN/AEngine Oil Pressure Switch fits various car and truck makes and models.
1990CadillacAllanteN/ACompatible with engines that have oil pressure gauges.
1990Oldsmobile98N/ALong Design; 4 Term.; Gauge
1990OldsmobileDelta 88N/A4 Term.; Gauge
1990OldsmobileToronadoN/ACompatible with engines that have oil pressure gauges.
1990PontiacBonnevilleN/ALong Design; Gauge
1989BuickReattaN/ACompatible with engines that have oil pressure gauges.
1989BuickRivieraN/ACompatible with engines that have oil pressure gauges.
1989BuickRivieraN/AEngine Oil Pressure Switch fits various car and truck makes and models.
1989CadillacAllanteN/ACompatible with engines that have oil pressure gauges.
1989OldsmobileToronadoN/ACompatible with engines that have oil pressure gauges.
1988BuickReattaN/ACompatible with engines that have oil pressure gauges.
1988BuickRivieraN/ACompatible with engines that have oil pressure gauges.
1988BuickRivieraN/AEngine Oil Pressure Switch fits various car and truck makes and models.
1988CadillacAllanteN/ACompatible with engines that have oil pressure gauges.
1988OldsmobileToronadoN/ACompatible with engines that have oil pressure gauges.
1987BuickRivieraN/AEngine Oil Pressure Switch fits various car and truck makes and models.
1987BuickRivieraN/ACompatible with engines that have oil pressure gauges.
1987CadillacAllanteN/ACompatible with engines that have oil pressure gauges.
1987OldsmobileToronadoN/ACompatible with engines that have oil pressure gauges.
1986BuickRivieraN/ACompatible with engines that have oil pressure gauges.
1986BuickRivieraN/A4 Term.; Light
1986OldsmobileToronadoN/ACompatible with engines that have oil pressure gauges.

* 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:

0353295416354761S668350134553-33632OP6714PS179PS298S4151SBA1274

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.