Standard PS308T Engine Oil Pressure Switch

OE-Style Oil Pressure Switch for GM Applications

The Standard PS308T engine oil pressure switch is a direct-fit OE replacement built for straightforward installation and dependable signal performance. It uses a female plug connector with three male blade terminals and a complete assembly design for a clean factory-style repair.

Compatible With select Chevrolet Silverado, GMC Sierra, Cadillac Escalade, and related GM vehicles, this PS308T oil pressure gauge switch is built with black and gold components and tested for reliable operation in demanding engine environments.

Key Features

• Direct-fit OE replacement for the engine oil pressure switch
• Female connector with one plug-style connection
• Three male blade terminals for factory-style integration
• Complete assembly for a streamlined replacement process
• Black and gold finish
• Built from materials intended to withstand extreme operating conditions

Detailed Description

The Standard PS308T is an engine oil pressure switch designed for vehicles that use a gauge-style oil pressure monitoring setup. It is a practical replacement for worn or inaccurate switches on applications such as Chevrolet Silverado 1500, GMC Sierra 1500, Cadillac Escalade, and Chevrolet Corvette models. The PS308T follows OE-style dimensions and connector layout to support a proper electrical connection and factory-like fit.

This part cross-references Dorman OE Solutions 926-040 for the same application. The PS308T also aligns with Standard Ignition PS-308 interchange needs, making it a useful reference when matching an oil pressure gauge switch for GM trucks, SUVs, and performance cars.

Common Issues This Part Can Address

• Inaccurate or erratic oil pressure gauge readings
• Oil pressure warning light concerns caused by a failing switch
• Intermittent gauge signal from worn electrical contacts
• Connector or terminal wear at the original switch
• Replacement needs after oil seepage or sensor degradation

Installation Notes and Tips

Verify connector style, terminal count, and gauge application before installation. The PS308T is a direct-fit replacement, but the vehicle must use the matching plug and blade-terminal configuration. Confirm the original part location and inspect the harness connector for corrosion or damage before connecting the new switch.

Fits 2003-2008 Chevrolet Silverado 1500, Gauge; fits 2003-2008 GMC Sierra 1500, Gauge; fits 2002-2008 Cadillac Escalade, Gauge. Additional coverage includes select Buick, Pontiac, Hummer, Saab, Isuzu, and Chevrolet/GMC truck and SUV applications listed in the fitment data.

Quality Assurance

Standard states that this oil pressure gauge switch undergoes extensive testing and is manufactured under complete quality control throughout the production process. The PS308T is built as a direct OE replacement for consistent fit and dependable service.