Standard TX66T Engine Coolant Temperature Sensor

Engine Coolant Temperature Sensor for GM Applications

The Standard TX66T engine coolant temperature sensor is built with quality components for dependable temperature signal output. It uses a female plug-in connector with two male pin terminals, making it a direct-fit style replacement for many GM vehicles that need accurate coolant temperature feedback.

• Engine coolant temperature sensor for cooling system monitoring
• Female connector, plug-in style
• 2 male pin terminals for secure electrical contact
• Direct replacement for select Buick, Chevrolet, Oldsmobile, Pontiac, GMC, Isuzu, and Porsche applications
• Standard TX66T part number for catalog and service matching

Fitment and Application Details

Compatible with a wide range of vehicles, including Fits 1996-2003 Buick Century, Fits 1996-2003 Pontiac Grand Prix, Fits 1996-2002 Buick Regal, and Fits 1996-2001 Chevrolet Lumina. Additional coverage includes Fits 1995-1999 Buick Park Avenue, Fits 1998-1999 Chevrolet Camaro, Fits 1994-1998 Chevrolet S10, and Fits 1987-1991 Porsche 944. The TX66T is also referenced for Buick LeSabre, Pontiac Bonneville, Oldsmobile Cutlass Supreme, GMC Sonoma, and other listed applications.

This part cross-references Standard Ignition TX66 and Beck/Arnley 158-0743 for the same application.

What This Sensor Helps Address

• Incorrect coolant temperature readings at the engine control system
• Hard starting or rough running related to temperature input errors
• Cooling fan or gauge behavior affected by a faulty sensor signal
• Check engine light concerns tied to coolant temperature circuit faults
• Driveability issues caused by inconsistent engine temperature data

Installation Notes and Tips

Verify connector style, terminal layout, and vehicle application before installation. The TX66T uses a female connector with two male pin terminals, so matching the electrical interface is important for proper fitment. Confirm the sensor location on the engine cooling circuit and inspect the harness connector for corrosion or damage before connecting the replacement part.

Quality Assurance

Standard manufactures this engine coolant temperature sensor from quality components for dependable service. The TX66T is built to meet the needs of routine cooling system and engine management repairs across the listed Buick, Chevrolet, Oldsmobile, Pontiac, GMC, Isuzu, and Porsche applications.