HomeEngine > SwitchesStandard Ignition PS-378 Engine Oil Pressure Switch
Part #: PS-378

Standard Ignition PS-378 Engine Oil Pressure Switch

⚙️ 2 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet, Bel Air, Corvette, Nomad, One-Fifty Series, and Two-Ten Series
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Overview of Standard Ignition Engine Oil Pressure Switch PS-378

The Standard Ignition PS-378 engine oil pressure switch is designed for reliable performance in Chevrolet vehicles, including the Bel Air and Corvette models. This switch monitors oil pressure to help maintain engine health and prevent damage.

  • Compatible with Chevrolet Bel Air and Corvette
  • Engine oil pressure switch with part number PS-378
  • Durable black and silver color finish
  • Constructed with aluminum and plastic materials for longevity
  • Features a female connector and a single male screw terminal

Product Features and Specifications

The PS-378 oil pressure switch features a robust design combining aluminum and plastic components, ensuring durability under engine conditions. Its black and silver finish provides corrosion resistance and a professional appearance. The switch includes a female connector for secure wiring connections and a single male screw terminal for straightforward installation. This configuration supports reliable electrical contact and consistent oil pressure monitoring.

Function and Application in Chevrolet Vehicles

This engine oil pressure switch is specifically compatible with Chevrolet Bel Air and Corvette models, making it a suitable replacement part for maintaining accurate oil pressure readings. The PS-378 helps detect low oil pressure conditions, which can prevent engine damage by triggering warning indicators or engine shutdown protocols.

  • Monitors engine oil pressure to protect engine components
  • Prevents engine damage caused by low oil pressure
  • Ensures accurate oil pressure readings for Chevrolet Bel Air and Corvette
  • Replaces faulty or worn oil pressure switches
  • Supports engine performance and longevity

Installation Notes and Tips

When installing the Standard Ignition PS-378 oil pressure switch, 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 install the new one, making sure the female connector and male screw terminal are securely connected. Verify there are no oil leaks after installation and test the oil pressure warning system for proper operation.

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. The PS-378 engine oil pressure switch undergoes quality control testing to ensure proper function. Warranty coverage details can be obtained from the product documentation or Standard Ignition directly, supporting confidence in the part's reliability.

BrandStandard Ignition
Part NumberPS-378
ColorBlack, Silver
Connector GenderFemale
FinishAluminum, Plastic
Terminal GenderMale
Terminal TypeScrew

This part fits 2 vehicles. Search below:

YearMakeModelPositionNotes
1955ChevroletBel AirN/AEngine Oil Pressure Switch fits various car and truck makes and models.
1955ChevroletCorvetteN/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:

1508245191457421S1059553-33824755OP6410PS677S886SBA3895

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