Walker 273-10042 Exhaust Gas Temperature (EGT) Sensor

Walker 273-10042 Exhaust Gas Temperature Sensor

The Walker Products 273-10042 exhaust gas temperature (EGT) sensor is built for exhaust-mounted temperature monitoring in select Volkswagen and Audi applications. It uses a 2-wire design with a black female connector, D-shaped connector housing, and 14.0 mm thread diameter for application-specific replacement needs.

Walker Products has supplied fuel system and engine management components since 1946, with manufacturing and engineering support focused on parts that meet or exceed OEM standards. The Walker Products line includes sensors and other engine management components for import and domestic repair work.

Key Features

• Part number: 273-10042
• Exhaust gas temperature sensor for exhaust mounting
• 2-wire, 2-terminal blade connection
• Black female connector with D-shaped housing
• 14.0 mm thread diameter
• Wiring harness length: 1030.0
• Fits select Volkswagen Golf, Volkswagen Jetta, and Audi A3 applications

Fitment Details

• Fits 2012-2014 Volkswagen Golf, T3 - Before Turbocharger; Walker Products
• Fits 2011-2014 Volkswagen Jetta, T4 - After Turbocharger; Walker Products
• Fits 2011-2013 Audi A3, T3 - Before Turbocharger; Walker Products

This part cross-references Standard Ignition ETS126 for the same application.

What It Is Used For

• Replacing a failed exhaust gas temperature sensor
• Restoring accurate exhaust temperature feedback to the engine control system
• Addressing sensor-related warning lights or diagnostic trouble codes
• Correcting drivability issues tied to incorrect exhaust temperature readings
• Supporting proper emissions system monitoring on turbocharged applications

Installation Notes and Tips

Verify connector style, thread diameter, and exhaust location before installation. This sensor is specified for exhaust mounting, with application notes that place it before the turbocharger on 2012-2014 Volkswagen Golf and 2011-2013 Audi A3, and after the turbocharger on 2011-2014 Volkswagen Jetta. Confirm the vehicle year and engine configuration against the listed fitment before ordering.

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 manufacturing, product management, engineering, and technical support, and operates as an ISO 9001/IATF16949 certified company.