Walker 211-1029 Engine Coolant Temperature Sensor

Engine Coolant Temperature Sensor for Chevrolet Astra

Walker Products 211-1029 is an engine coolant temperature sensor built for direct replacement service on select Chevrolet Astra applications. It provides the temperature signal the engine management system uses to monitor coolant conditions and support proper fuel and ignition control.

Compatible With 2004-2005 Chevrolet Astra applications, this sensor is a fitment-specific option for drivers servicing cooling-system and engine-management faults. Walker Products backs this part with manufacturing and engineering support focused on OEM-level specifications.

Key Features

• Engine coolant temperature sensor for cooling and engine management systems
• Fits 2004-2005 Chevrolet Astra
• Walker Products part number 211-1029
• Built to meet or exceed OEM standards and specifications
• Supported by Walker Products manufacturing, product management, and engineering resources
• ISO 9001/IATF16949 certified manufacturing background

Product Details

Walker Products 211-1029 is part of the Walker Products engine sensor lineup, a product line focused on fuel system and engine management components. Walker has supplied automotive aftermarket parts since 1946 and produces sensors, injectors, ignition-related components, and repair kits with attention to application accuracy and technical support. This coolant temperature sensor is intended for vehicles that require a reliable temperature input for engine control strategy, including the 2004-2005 Chevrolet Astra. This part cross-references Spectra Premium ST107 for the same application.

Common Issues This Sensor May Address

• Incorrect coolant temperature readings at the engine control system
• Hard starting when the engine is cold
• Rough idle related to inaccurate temperature input
• Illuminated check engine light tied to coolant temperature sensor faults
• Fuel mixture or drivability concerns caused by a failing temperature signal

Installation Notes and Tips

Verify connector style, thread size, and sensor location against the original part before installation. Inspect the cooling system for leaks, corrosion, or damaged wiring that could affect sensor performance. Clear diagnostic trouble codes after installation and confirm the reading with a scan tool once the engine reaches operating temperature.

Quality Assurance

Walker Products manufactures this sensor to meet or exceed OEM standards and specifications. The company’s ISO 9001/IATF16949 certified production environment and in-house engineering support are part of its quality control process.