HomeEngine > SwitchesStandard Ignition PS-304 Engine Oil Pressure Switch
Part #: PS-304

Standard Ignition PS-304 Engine Oil Pressure Switch

⚙️ 35 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet, GMC, and AM General, Avalanche 1500, Avalanche 2500, Express 2500, Express 3500, Savana 2500, Savana 3500, Hummer, C1500, C1500 Suburban, C2500, C2500 Suburban, C3500, K1500, K1500 Suburban, K2500, K2500 Suburban, K3500, P30, Tahoe, and P3500
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Overview of Standard Ignition Engine Oil Pressure Switch PS-304

The Standard Ignition PS-304 Engine Oil Pressure Switch is designed for reliable monitoring of oil pressure in select Chevrolet and GMC vehicles. This switch features a female connector and a single male pin terminal, ensuring precise electrical connection and compatibility with various models.

  • Connector Gender: Female for secure connection
  • Terminal Gender: Male pin type
  • Terminal Quantity: 1 pin terminal
  • Compatible with Chevrolet and GMC trucks and SUVs
  • Part Number: PS-304 for easy identification

Technical Details and Compatibility

The PS-304 oil pressure switch from Standard Ignition is engineered to meet OEM specifications for a range of Chevrolet and GMC vehicles, including Avalanche 1500, Avalanche 2500, C1500, C1500 Suburban, C2500, C2500 Suburban, C3500, Express 2500, Express 3500, K1500, K1500 Suburban, K2500, K2500 Suburban, K3500, P30, P3500, Savana 2500, Savana 3500, and Tahoe models. The switch’s female connector and single male pin terminal provide a reliable electrical interface that supports accurate oil pressure readings critical for engine health monitoring.

Function and Application

This engine oil pressure switch is used to monitor the oil pressure within the engine and send signals to the vehicle’s dashboard or engine control unit. It helps detect low oil pressure conditions that could lead to engine damage.

  • Detects low oil pressure to prevent engine damage
  • Triggers dashboard warning lights for driver awareness
  • Ensures proper engine lubrication monitoring
  • Supports engine performance and longevity
  • Replaces faulty or worn oil pressure switches in compatible Chevrolet and GMC models

Installation Notes and Tips

When installing the PS-304 oil pressure switch, ensure the engine is cool to avoid burns. Disconnect the battery before removal to prevent electrical shorts. Verify the connector gender and terminal type match the vehicle’s wiring harness. Tighten the switch to manufacturer torque specifications to avoid leaks or damage. After installation, check for proper operation by monitoring the oil pressure warning light and engine performance.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards, providing dependable performance and durability. The PS-304 oil pressure switch undergoes rigorous quality control to ensure consistent functionality. Warranty coverage details should be confirmed with the product documentation or supplier, as they may vary.

BrandStandard Ignition
Part NumberPS-304
Connector GenderFemale
Terminal GenderMale
Terminal TypePin

This part fits 35 vehicles. Search below:

YearMakeModelTransmissionLitersCylindersFuel TypePositionNotes
2002ChevroletAvalanche 15005.3LV8N/AEngine Oil Pressure Switch fits various car and truck makes and models.
2002ChevroletAvalanche 2500N/AEngine Oil Pressure Switch fits various car and truck makes and models.
2002ChevroletExpress 25006.5LV8N/AEngine Oil Pressure Switch fits various car and truck makes and models.
2002ChevroletExpress 35006.5LV8N/AEngine Oil Pressure Switch fits various car and truck makes and models.
2002GMCSavana 25006.5LV8N/AEngine Oil Pressure Switch fits various car and truck makes and models.
2002GMCSavana 35006.5LV8N/AEngine Oil Pressure Switch fits various car and truck makes and models.
2001ChevroletExpress 25006.5LV8N/AEngine Oil Pressure Switch fits various car and truck makes and models.
2001ChevroletExpress 35006.5LV8N/AEngine Oil Pressure Switch fits various car and truck makes and models.
2001GMCSavana 25006.5LV8N/AEngine Oil Pressure Switch fits various car and truck makes and models.
2001GMCSavana 35006.5LV8N/AEngine Oil Pressure Switch fits various car and truck makes and models.
2000ChevroletExpress 25006.5LV8N/AEngine Oil Pressure Switch fits various car and truck makes and models.
2000ChevroletExpress 35006.5LV8N/AEngine Oil Pressure Switch fits various car and truck makes and models.
2000GMCSavana 25006.5LV8N/AEngine Oil Pressure Switch fits various car and truck makes and models.
2000GMCSavana 35006.5LV8N/AEngine Oil Pressure Switch fits various car and truck makes and models.
1999ChevroletC1500AutomaticN/AEngine Oil Pressure Switch fits various car and truck makes and models.
1999ChevroletC1500 SuburbanN/AEngine Oil Pressure Switch fits various car and truck makes and models.
1999ChevroletC2500AutomaticN/AEngine Oil Pressure Switch fits various car and truck makes and models.
1999ChevroletC2500 SuburbanN/AEngine Oil Pressure Switch fits various car and truck makes and models.
1999ChevroletC3500AutomaticN/AEngine Oil Pressure Switch fits various car and truck makes and models.
1999ChevroletExpress 25006.5LV8N/AEngine Oil Pressure Switch fits various car and truck makes and models.
1999ChevroletExpress 35006.5LV8N/AEngine Oil Pressure Switch fits various car and truck makes and models.
1999ChevroletK1500AutomaticN/AEngine Oil Pressure Switch fits various car and truck makes and models.
1999ChevroletK1500 SuburbanN/AEngine Oil Pressure Switch fits various car and truck makes and models.
1999ChevroletK2500AutomaticN/AEngine Oil Pressure Switch fits various car and truck makes and models.
1999ChevroletK2500 SuburbanN/AEngine Oil Pressure Switch fits various car and truck makes and models.
1999ChevroletK3500AutomaticN/AEngine Oil Pressure Switch fits various car and truck makes and models.
1999ChevroletP306.5LV8DIESELN/AEngine Oil Pressure Switch fits various car and truck makes and models.
1999ChevroletTahoe6.5LV8N/AEngine Oil Pressure Switch fits various car and truck makes and models.
1999GMCC1500 SuburbanN/AEngine Oil Pressure Switch fits various car and truck makes and models.
1999GMCC2500 SuburbanN/AEngine Oil Pressure Switch fits various car and truck makes and models.
1999GMCK1500 SuburbanN/AEngine Oil Pressure Switch fits various car and truck makes and models.
1999GMCK2500 SuburbanN/AEngine Oil Pressure Switch fits various car and truck makes and models.
1999GMCP35006.5LV8N/AEngine Oil Pressure Switch fits various car and truck makes and models.
1999GMCSavana 25006.5LV8N/AEngine Oil Pressure Switch fits various car and truck makes and models.
1999GMCSavana 35006.5LV8N/AEngine Oil Pressure Switch fits various car and truck makes and models.

* 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:

125580741S674353-33687OP6188PS238PS390S4194SBA1264

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