Walker 211-1069 Engine Coolant Temperature Sensor

Engine Coolant Temperature Sensor for GM Applications

Walker Products 211-1069 is an engine coolant temperature sensor built for direct replacement use in a range of GM trucks and SUVs. It supports accurate coolant temperature reporting to the engine control system, helping maintain proper fuel delivery, idle quality, and temperature-based engine management.

Compatible With 2004-2012 Chevrolet Colorado, 2004-2012 GMC Canyon, and other listed GM applications, this sensor is a practical OE-style replacement for vehicles that rely on precise coolant temperature input. Part number 211-1069 is also referenced in cross applications such as NTK EF0174 and Roadmax TX136.

Key Features

• Engine coolant temperature sensor for engine management systems
• Walker Products aftermarket replacement part number 211-1069
• Supports accurate coolant temperature signal output
• Built for listed Chevrolet, GMC, Hummer, Saab, Buick, and Isuzu applications
• Walker Products engineering and manufacturing support for production accuracy
• ISO 9001/IATF16949 certified manufacturing background

Product Details

Walker Products has supplied automotive fuel system and engine sensor components since 1946, with a focus on meeting or exceeding OEM standards and specifications. The Walker Products line includes engine management components such as sensors, injectors, and related electrical parts, backed by internal product management, engineering, and technical support. The 211-1069 coolant temperature sensor is part of that catalog and is intended for vehicles that require a reliable coolant temperature signal for engine control decisions.

This part cross-references NTK EF0174 for the same application.

Common Symptoms This Sensor May Address

• Incorrect coolant temperature readings on the dash or scan tool
• Hard starting when the engine is cold
• Rough idle or unstable warm-up behavior
• Fuel mixture issues tied to temperature input
• Cooling fan or engine management concerns related to sensor signal errors

Installation Notes

Verify the connector style, thread size, and engine application before installation. Clear diagnostic trouble codes after replacement and confirm the new sensor reads correctly with a scan tool. For best results, inspect the cooling system and wiring connector for corrosion, coolant contamination, or damaged terminals before installing the new sensor.

Quality Assurance

Walker Products manufactures engine sensors to meet or exceed OEM standards and specifications, supported by engineering and technical resources. The company is ISO 9001/IATF16949 certified, reflecting controlled production and product management practices for automotive aftermarket parts.

Compatible Vehicle Applications

• Fits 2004-2012 Chevrolet Colorado, N/A
• Fits 2004-2012 GMC Canyon, N/A
• Fits 2006-2010 Hummer H3, N/A
• Fits 2009-2010 Hummer H3T, N/A
• Fits 2006-2009 Chevrolet Trailblazer, N/A
• Fits 2006-2009 GMC Envoy, N/A
• Fits 2006-2009 Saab 9-7x, N/A
• Fits 2006-2008 Isuzu Ascender, N/A
• Fits 2007-2008 Isuzu i-290, N/A
• Fits 2007-2008 Isuzu i-370, N/A
• Fits 2006-2007 Buick Rainier, N/A
• Fits 2006 Chevrolet Trailblazer EXT, N/A
• Fits 2006 GMC Envoy XL, N/A
• Fits 2006 Isuzu i-280, N/A
• Fits 2006 Isuzu i-350, N/A