Walker 1003-1029 Exhaust Gas Temperature (EGT) Sensor

Walker HD Exhaust Gas Temperature Sensor

Walker Products HD 1003-1029 is an exhaust gas temperature (EGT) sensor built for emission control and engine management applications that require accurate exhaust temperature monitoring. With a 14.0 mm thread diameter, 2-wire layout, oval female connector, and blue connector body, this sensor is configured for direct replacement use where the original sensor matches these specifications.

Key Features

• Exhaust Gas Temperature (EGT) sensor for emission control systems
• Walker Products HD line for heavy-duty engine management applications
• Part number 1003-1029 for catalog and service matching
• 14.0 mm thread diameter for threaded exhaust mounting
• 2-wire design with blade terminals and 2 terminal positions
• Oval female connector with blue housing
• 615.0 wiring harness length for routing to the factory connection point
• Mount location: exhaust

Product Details

Walker Products has supplied fuel system and engine sensor components since 1946, and the Walker Products HD line extends that experience into demanding aftermarket service needs. Part number 1003-1029 is manufactured to meet or exceed OEM standards and specifications, with engineering and product support focused on accurate application data and consistent part quality. This EGT sensor is intended for vehicles that require a threaded exhaust-mounted sensor with the listed connector and terminal configuration. For buyers searching for a Walker EGT sensor, Walker Products HD 1003-1029, or an exhaust gas temperature sensor replacement for Mercedes-Benz applications, the listed dimensions and connector style are the key match points.

This part cross-references Mercedes-Benz OE numbers 6805401517 and A6805401517 for the same application.

What It Helps Address

• Fault codes related to exhaust gas temperature sensor performance
• Incorrect exhaust temperature readings in the engine control system
• Emission control monitoring issues tied to sensor signal loss
• Connector or terminal mismatch during sensor replacement
• Exhaust sensor service needs where the original threaded mount is worn or failed

Installation Notes and Tips

Confirm the thread diameter, connector shape, terminal count, and harness length against the original sensor before installation. Because this sensor mounts in the exhaust, inspect the surrounding wiring and connector for heat damage, corrosion, or brittle insulation before connecting the replacement. Use the vehicle service information for the correct torque procedure and routing path, and verify the connector locks fully into place after installation. Compatible With Mercedes-Benz applications that use the listed OE cross-reference numbers and matching sensor specifications.

Quality Assurance

Walker Products is an ISO 9001 and IATF 16949 certified manufacturer, and its engine sensor products are backed by in-house manufacturing, product management, engineering, and technical support. Part number 1003-1029 is produced to meet or exceed OEM standards and specifications.