Walker 273-10133 Exhaust Gas Temperature (EGT) Sensor - Left or Right

Walker 273-10133 Exhaust Gas Temperature Sensor

Walker Products 273-10133 is an exhaust gas temperature (EGT) sensor built for diesel emission control systems that monitor exhaust heat before or after the particulate filter. It is a direct-fit style replacement for select Mercedes-Benz GLS350d, GL350, ML350, ML250, R350, GL320, ML320, and R320 applications.

Key Features

• Exhaust gas temperature sensor for emission control system monitoring
• 14.0 mm thread diameter for the specified exhaust mounting point
• 2-wire design with 2 terminals and blade terminal type
• Male connector with female terminals and D-shaped connector housing
• 328.0 wiring harness length for the listed vehicle applications
• Black/tan connector color for identification during service
• Walker Products part number 273-10133

Product Details

Walker Products has supplied fuel system and engine management components since 1946, with manufacturing and engineering support focused on meeting or exceeding OEM standards and specifications. The Walker Products line includes sensors and related engine management parts, and the company operates as an ISO 9001/IATF16949 certified manufacturer. For Mercedes-Benz diesel service, this EGT sensor helps monitor exhaust temperature at the exhaust mounting location specified in the fitment data, including before the particulate filter and after the DPF on listed models. This part cross-references Standard Ignition ETS198 for the same application.

Vehicle Fitment

• Fits 2017 Mercedes-Benz GLS350d, N/A, location before particulate filter.
• Fits 2015-2016 Mercedes-Benz GL350, Right, T6 after DPF right; from 07/15/2015.
• Fits 2015-2016 Mercedes-Benz GL350, Left, T6 after DPF left; from 07/15/2015.
• Fits 2015 Mercedes-Benz ML250, N/A, EGT sensor fits before DPF on T5 vehicle.
• Fits 2013-2014 Mercedes-Benz GL350, N/A, location before particulate filter.
• Fits 2012-2014 Mercedes-Benz ML350, N/A, EGT sensor fits before DPF on T5 vehicle.
• Fits 2010-2012 Mercedes-Benz GL350, N/A, location particulate filter.
• Fits 2011-2012 Mercedes-Benz R350, N/A, location particulate filter.
• Fits 2010-2011 Mercedes-Benz ML350, N/A, location particulate filter.
• Fits 2010 Mercedes-Benz R350, Front, location particulate filter.
• Fits 2009 Mercedes-Benz GL320, N/A, location particulate filter.
• Fits 2009 Mercedes-Benz ML320, N/A, location particulate filter.
• Fits 2009 Mercedes-Benz R320, N/A, location particulate filter.

Common Issues This Sensor Can Address

• Fault codes related to exhaust gas temperature monitoring
• Incorrect diesel particulate filter temperature readings
• Emission system warning lights on supported Mercedes-Benz diesel models
• Service issues tied to a damaged or aging exhaust-mounted sensor
• Restoration of proper exhaust temperature signal input to the engine control system

Installation Notes and Tips

Confirm the mounting location, connector style, thread diameter, and harness length against the original sensor before installation. This Walker 273-10133 sensor is specified for exhaust mounting locations in the listed Mercedes-Benz applications, including before the particulate filter and after the DPF on certain GL350 models. Verify the vehicle year, model, and side or position shown in the fitment data to ensure correct placement.

Quality Assurance

Walker Products manufactures engine sensors and related components to meet or exceed OEM standards and specifications. The brand supports production with in-house manufacturing, product management, engineering, and technical support, and operates under ISO 9001/IATF16949 certification for quality management.