Walker 273-10374 Exhaust Gas Temperature (EGT) Sensor

Walker 273-10374 Exhaust Gas Temperature Sensor

Walker Products 273-10374 is an exhaust gas temperature (EGT) sensor built for direct-fit emission control service on select BMW applications. It uses a 2-wire, 2-terminal design with a black round female connector, blade terminals, and a 14.0 mm thread diameter for exhaust mounting.

For BMW M3, BMW Z3, and BMW Z4 applications listed below, this sensor supports accurate exhaust temperature monitoring before the catalyst. Walker Products backs its engine sensor line with manufacturing and engineering controls focused on OEM-level fit and specification accuracy.

Key Features

• Exhaust gas temperature (EGT) sensor for emission control service
• Walker Products part number 273-10374
• 2-wire design with 2 terminals
• Black round female connector with blade terminals
• 14.0 mm thread diameter for exhaust mounting
• 685.0 wiring harness length
• Mounts at the exhaust, before catalyst on listed BMW applications

Product Details

Walker Products 273-10374 is part of Walker Products’ engine sensor and fuel system line, a product family supported by in-house manufacturing, product management, and engineering resources. The brand has supplied automotive aftermarket components since 1946 and manufactures to meet or exceed OEM standards and specifications. This sensor is intended for direct replacement service where precise exhaust temperature feedback is needed for emissions and engine management performance.

Compatible With BMW applications including Fits 2001-2006 BMW M3, N/A; Fits 2001-2002 BMW Z3, N/A; and Fits 2006-2008 BMW Z4, N/A. This part cross-references Standard Ignition ETS70 for the same application.

What It Helps Address

• Faulty exhaust gas temperature sensor readings
• Check engine light concerns related to exhaust temperature monitoring
• Emission control system performance issues
• Incorrect before-catalyst temperature feedback
• Sensor-related drivability or diagnostic trouble codes

Installation Notes

Install at the exhaust location specified for the vehicle, before the catalyst on the listed BMW fitments. Verify connector shape, terminal type, thread diameter, and harness length against the original sensor before installation. Always confirm the application by year, make, model, and position to ensure proper fitment for BMW M3, BMW Z3, or BMW Z4 service.

Quality Assurance

Walker Products is ISO 9001 and IATF 16949 certified and uses internal engineering support to maintain product and application accuracy. The 273-10374 sensor is manufactured to align with OEM-level standards for fit and function.