Standard Ignition PS-303 Engine Oil Pressure Switch

Reliable Engine Oil Pressure Switch for GM Vehicles

The Standard Ignition PS-303 Engine Oil Pressure Switch is designed to provide accurate oil pressure monitoring for select Cadillac, Chevrolet, GMC, and Pontiac models. This switch ensures your engine's oil pressure is properly regulated, helping maintain optimal engine performance and safety.

• Compatible with Chevrolet Silverado 1500, 2500, 3500, Suburban, Tahoe, and Avalanche 1500
• Fits GMC Sierra 1500, 2500, 3500, Yukon, Yukon XL 1500, and Yukon XL 2500
• Also compatible with Cadillac Escalade, Escalade EXT, and Pontiac Firebird
• Durable black and silver finish with aluminum and plastic construction
• Female oval plug-in connector with one pin terminal for secure electrical connection

Product Features and Specifications

The PS-303 oil pressure switch features a female connector with an oval shape designed for a plug-in connection, ensuring a reliable fit and electrical contact. The switch has a single connector and terminal, with a male pin terminal type that supports consistent signal transmission. Its aluminum and plastic finish provides durability and resistance to engine bay conditions. The black and silver color scheme matches OEM standards for easy identification and installation.

Compatible Vehicles and Applications

This engine oil pressure switch is compatible with a range of General Motors vehicles, including popular models such as the Chevrolet Silverado 1500 HD, GMC Sierra 2500 HD, Cadillac Escalade, and Pontiac Firebird. It is specifically designed to fit models like the Chevrolet Avalanche 1500 and GMC Yukon XL 2500, making it a suitable replacement part for maintaining proper oil pressure monitoring in these vehicles.

Common Issues Addressed by the PS-303 Oil Pressure Switch

• Incorrect or fluctuating oil pressure readings on the dashboard gauge
• Oil pressure warning light activation due to faulty switch
• Engine performance issues related to inaccurate oil pressure signals
• Preventing potential engine damage caused by undetected low oil pressure
• Resolving intermittent electrical connection problems in the oil pressure circuit

Installation Notes and Tips

When installing the Standard Ignition PS-303, ensure the engine is cool to avoid burns. Disconnect the battery before removal to prevent electrical shorts. Carefully unplug the female oval connector and remove the old switch by unscrewing it from the engine block. Install the new switch by threading it in by hand to avoid cross-threading, then tighten to manufacturer torque specifications. Reconnect the electrical connector securely to ensure proper signal transmission.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The PS-303 Engine Oil Pressure Switch undergoes rigorous quality control testing to maintain consistent functionality. This part is backed by Standard Ignition's limited warranty, providing coverage against defects in materials and workmanship under normal use.