HomeEngine > SwitchesStandard Ignition PS-309 Engine Oil Pressure Switch
Part #: PS-309

Standard Ignition PS-309 Engine Oil Pressure Switch

⚙️ 82 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet, GMC, Buick, and Pontiac, Express 1500, Savana 1500, Silverado 1500, Sierra 1500, LeSabre, Park Avenue, Express 2500, Savana 2500, and Bonneville
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Reliable Engine Oil Pressure Switch for Buick, Chevrolet, GMC, and Pontiac

The Standard Ignition PS-309 Engine Oil Pressure Switch is designed to provide accurate oil pressure monitoring for select Buick, Chevrolet, GMC, and Pontiac vehicles. Engineered with durable materials and a precise plug connector, this switch ensures consistent performance and reliable engine protection.

  • Compatible with Buick Bonneville, LeSabre, Park Avenue
  • Fits Chevrolet Express 1500, Express 2500, Silverado 1500, Silverado 1500 Classic, Silverado 3500
  • Suitable for GMC Savana 1500, Savana 2500, Sierra 1500
  • Black and gold color finish with aluminum and plastic construction
  • 3-terminal plug connector for secure electrical connection

Durable Construction and Precise Fitment

The PS-309 oil pressure switch features a robust aluminum and plastic finish that resists corrosion and wear, ensuring long-lasting service life. Its black and gold color scheme is not only visually distinct but also indicative of quality materials used. The 3-terminal plug connector design allows for a secure and straightforward installation, minimizing the risk of electrical faults. This switch is engineered specifically for compatibility with various Buick, Chevrolet, GMC, and Pontiac models, including the Chevrolet Silverado 1500 and GMC Sierra 1500, providing a reliable replacement part that meets OEM specifications.

Function and Common Applications

  • Monitors engine oil pressure to protect engine components
  • Prevents engine damage caused by low oil pressure
  • Triggers dashboard warning lights for timely maintenance
  • Replaces faulty or worn oil pressure switches in specified vehicles
  • Ensures accurate oil pressure readings for optimal engine performance

Installation Notes and Tips

When installing the Standard Ignition PS-309, ensure the engine is cool to avoid burns. Disconnect the battery before removal to prevent electrical shorts. Use appropriate tools to remove the old switch and avoid damaging the mounting threads. Confirm the 3-terminal plug connector is securely attached to maintain proper electrical contact. After installation, verify the oil pressure warning light functions correctly by starting the engine and observing the dashboard indicators.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The PS-309 Engine Oil Pressure Switch undergoes rigorous quality control testing to guarantee fitment and function. This part is backed by Standard Ignition's limited warranty, providing coverage against defects in materials and workmanship under normal use.

BrandStandard Ignition
Part NumberPS-309
ColorBlack, Gold
Connector TypePlug
FinishAluminum, Plastic

This part fits 82 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2014ChevroletExpress 15004.3LV6N/AEngine Oil Pressure Switch with Indicator Light - 3-terminal
2014GMCSavana 15004.3LV6N/ACompatible with engines that have oil pressure gauges.
2014GMCSavana 15004.3LV6N/AEngine Oil Pressure Switch with Indicator Light - 3-terminal
2013ChevroletExpress 15004.3LV6N/AEngine Oil Pressure Switch with Indicator Light - 3-terminal
2013ChevroletSilverado 15004.3LV6N/ACompatible with engines that have oil pressure gauges.
2013ChevroletSilverado 15004.3LV6N/AEngine Oil Pressure Switch with Indicator Light - 3-terminal
2013GMCSavana 15004.3LV6N/AEngine Oil Pressure Switch with Indicator Light - 3-terminal
2013GMCSierra 15004.3LV6N/ACompatible with engines that have oil pressure gauges.
2013GMCSierra 15004.3LV6N/AEngine Oil Pressure Switch with Indicator Light - 3-terminal
2012ChevroletExpress 15004.3LV6N/AEngine Oil Pressure Switch with Indicator Light - 3-terminal
2012ChevroletSilverado 15004.3LV6N/ACompatible with engines that have oil pressure gauges.
2012ChevroletSilverado 15004.3LV6N/AEngine Oil Pressure Switch with Indicator Light - 3-terminal
2012GMCSavana 15004.3LV6N/ACompatible with engines that have oil pressure gauges.
2012GMCSavana 15004.3LV6N/AEngine Oil Pressure Switch with Indicator Light - 3-terminal
2012GMCSierra 15004.3LV6N/ACompatible with engines that have oil pressure gauges.
2012GMCSierra 15004.3LV6N/AEngine Oil Pressure Switch with Indicator Light - 3-terminal
2011ChevroletExpress 15004.3LV6N/AEngine Oil Pressure Switch with Indicator Light - 3-terminal
2011ChevroletSilverado 15004.3LV6N/ACompatible with engines that have oil pressure gauges.
2011GMCSavana 15004.3LV6N/ACompatible with engines that have oil pressure gauges.
2011GMCSierra 15004.3LV6N/ACompatible with engines that have oil pressure gauges.
2010ChevroletExpress 15004.3LV6N/ACompatible with engines that have oil pressure gauges.
2010ChevroletExpress 15004.3LV6N/AEngine Oil Pressure Switch with Indicator Light - 3-terminal
2010ChevroletSilverado 15004.3LV6N/ACompatible with engines that have oil pressure gauges.
2010GMCSavana 15004.3LV6N/ACompatible with engines that have oil pressure gauges.
2010GMCSierra 15004.3LV6N/ACompatible with engines that have oil pressure gauges.
2009ChevroletExpress 15004.3LV6N/ACompatible with engines that have oil pressure gauges.
2009ChevroletSilverado 15004.3LV6N/ACompatible with engines that have oil pressure gauges.
2009GMCSavana 15004.3LV6N/ACompatible with engines that have oil pressure gauges.
2009GMCSierra 15004.3LV6N/ACompatible with engines that have oil pressure gauges.
2008ChevroletExpress 15004.3LV6N/ACompatible with engines that have oil pressure gauges.
2008ChevroletSilverado 15004.3LV6N/ACompatible with engines that have oil pressure gauges.
2008GMCSavana 15004.3LV6N/ACompatible with engines that have oil pressure gauges.
2008GMCSierra 15004.3LV6N/ACompatible with engines that have oil pressure gauges.
2007ChevroletExpress 15004.3LV6N/ACompatible with engines that have oil pressure gauges.
2007ChevroletSilverado 15004.3LV6N/ACompatible with engines that have oil pressure gauges.
2007ChevroletSilverado 1500 Classic4.3LV6N/A
2007GMCSavana 15004.3LV6N/ACompatible with engines that have oil pressure gauges.
2007GMCSierra 15004.3LV6N/ACompatible with engines that have oil pressure gauges.
2006ChevroletExpress 15004.3LV6N/ACompatible with engines that have oil pressure gauges.
2006ChevroletSilverado 15004.3LV6N/ACompatible with engines that have oil pressure gauges.
2006GMCSavana 15004.3LV6N/ACompatible with engines that have oil pressure gauges.
2006GMCSierra 15004.3LV6N/AEngine Oil Pressure Switch fits vehicles with 3 Term Gauge
2005BuickLeSabreN/ACompatible with engines that have oil pressure gauges.
2005BuickPark AvenueN/ACompatible with engines that have oil pressure gauges.
2005ChevroletExpress 15004.3LV6N/AEngine Oil Pressure Switch fits vehicles with 3 Term Gauge
2005ChevroletExpress 25004.3LV6N/AEngine Oil Pressure Switch fits vehicles with 3 Term Gauge
2005ChevroletSilverado 15004.3LV6N/AEngine Oil Pressure Switch fits vehicles with 3 Term Gauge
2005ChevroletSilverado 35005.7LV8N/A
2005GMCSavana 15004.3LV6N/AEngine Oil Pressure Switch fits vehicles with 3 Term Gauge
2005GMCSavana 25004.3LV6N/AEngine Oil Pressure Switch fits vehicles with 3 Term Gauge
2005GMCSierra 15004.3LV6N/AEngine Oil Pressure Switch fits vehicles with 3 Term Gauge
2005PontiacBonneville3.8LV6N/ACompatible with engines that have oil pressure gauges.
2004BuickLeSabreN/ACompatible with engines that have oil pressure gauges.
2004BuickPark AvenueN/ACompatible with engines that have oil pressure gauges.
2004ChevroletExpress 15004.3LV6N/AEngine Oil Pressure Switch fits vehicles with 3 Term Gauge
2004ChevroletExpress 25004.3LV6N/AEngine Oil Pressure Switch fits vehicles with 3 Term Gauge
2004ChevroletSilverado 15004.3LV6N/AEngine Oil Pressure Switch fits vehicles with 3 Term Gauge
2004GMCSavana 15004.3LV6N/AEngine Oil Pressure Switch fits vehicles with 3 Term Gauge
2004GMCSavana 25004.3LV6N/AEngine Oil Pressure Switch fits vehicles with 3 Term Gauge
2004GMCSierra 15004.3LV6N/AEngine Oil Pressure Switch fits vehicles with 3 Term Gauge
2004PontiacBonneville3.8LV6N/ACompatible with engines that have oil pressure gauges.
2003BuickLeSabreN/ACompatible with engines that have oil pressure gauges.
2003BuickPark AvenueN/ACompatible with engines that have oil pressure gauges.
2003ChevroletExpress 15004.3LV6N/ACompatible with engines that have oil pressure gauges.
2003ChevroletExpress 25004.3LV6N/ACompatible with engines that have oil pressure gauges.
2003ChevroletSilverado 15004.3LV6N/AEngine Oil Pressure Switch fits vehicles with 3 Term Gauge
2003GMCSavana 15004.3LV6N/ACompatible with engines that have oil pressure gauges.
2003GMCSavana 25004.3LV6N/ACompatible with engines that have oil pressure gauges.
2003GMCSierra 15004.3LV6N/AEngine Oil Pressure Switch fits vehicles with 3 Term Gauge
2003PontiacBonnevilleN/ACompatible with engines that have oil pressure gauges.
2002BuickLeSabreN/ACompatible with engines that have oil pressure gauges.
2002BuickPark AvenueN/ACompatible with engines that have oil pressure gauges.
2002PontiacBonnevilleN/ACompatible with engines that have oil pressure gauges.
2001BuickLeSabreN/ACompatible with engines that have oil pressure gauges.
2001BuickPark AvenueN/ACompatible with engines that have oil pressure gauges.
2001PontiacBonnevilleN/ACompatible with engines that have oil pressure gauges.
2000BuickLeSabreN/ACompatible with engines that have oil pressure gauges.
2000BuickPark AvenueN/ACompatible with engines that have oil pressure gauges.
2000PontiacBonnevilleN/ACompatible with engines that have oil pressure gauges.
1999BuickPark AvenueN/ACompatible with engines that have oil pressure gauges.
1998BuickPark AvenueN/ACompatible with engines that have oil pressure gauges.
1997BuickPark AvenueN/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:

12562858125743091S67722-800012OPS002753-337035731659C10176Q280001OP6719OP6719SBPS212PS309TPS421S4201SBC1036V51-73-0110

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