Walker 211-1039 Engine Coolant Temperature Sensor

Engine Coolant Temperature Sensor for GM Applications

Walker Products 211-1039 is an engine coolant temperature sensor built for accurate coolant temperature reporting to the engine management system. It is a direct-fit replacement for a wide range of GM vehicles, including Buick Century, Pontiac Grand Prix, and Chevrolet Lumina applications.

Walker Products has supplied automotive fuel system and engine management components since 1946, with manufacturing and engineering support focused on meeting or exceeding OEM standards. The Walker Products line includes sensors and other engine management parts for repair and replacement work across the aftermarket.

Key Features

• Engine coolant temperature sensor for temperature signal input to the control system
• Walker Products part number 211-1039
• OE-style replacement for select Buick, Chevrolet, Oldsmobile, Pontiac, GMC, and Isuzu models
• Built by an ISO 9001/IATF16949 certified manufacturer
• Cross-references Standard Ignition TX66 and T Series TX66T for the same application

Detailed Description

This coolant temperature sensor is used to monitor engine coolant temperature and send that information to the vehicle’s engine control system. Accurate temperature input is important for fuel delivery, idle quality, and overall drivability. Part number 211-1039 is listed for 1995-2002 Buick Century, 1996-2002 Buick Regal, 1996-2002 Pontiac Grand Prix, and other select GM platforms, making it a practical replacement for service work on older passenger cars and light trucks.

Compatible With 1995-2002 Buick Century, N/A; 1996-2002 Buick Regal, N/A; 1996-2002 Pontiac Grand Prix, N/A; 1996-2001 Chevrolet Lumina, N/A; 1995-1999 Chevrolet Camaro, N/A; and additional listed applications. Walker Products 211-1039 is also referenced for Buick LeSabre, Pontiac Bonneville, Oldsmobile Intrigue, Chevrolet S10, and GMC Sonoma coverage within the confirmed fitment range.

What It Helps Address

• Incorrect coolant temperature readings
• Hard starting or rough idle related to temperature signal errors
• Fuel mixture issues caused by faulty sensor input
• Check engine light concerns tied to coolant temperature data
• Driveability problems on aging GM engine management systems

Installation Notes and Tips

Verify the connector style, thread size, and engine application before installation. Compare the original sensor location and connector condition during service, and inspect the cooling system for contamination or low coolant that could affect sensor readings. For best results, clear diagnostic trouble codes after replacement and confirm the repair with a scan tool or temperature reading.

Quality Assurance

Walker Products manufactures engine sensors and related components to meet or exceed OEM standards and specifications. The company supports production with in-house engineering, product management, and technical documentation, and operates under ISO 9001/IATF16949 certification for quality control.