Walker 274-1025 Exhaust Gas Differential Pressure Sensor

Walker 274-1025 Exhaust Gas Differential Pressure Sensor

Walker Products 274-1025 is an exhaust gas differential pressure sensor for select Chevrolet Express, Silverado HD, GMC Savana, and Sierra HD applications. It is built for vehicles that rely on accurate exhaust pressure feedback for proper engine management and emissions system operation.

Walker Products has supplied automotive fuel system and engine sensor components since 1946, with manufacturing and engineering support focused on meeting or exceeding OEM standards. The Walker Products line is backed by ISO 9001/IATF16949 certified quality processes and application-specific technical support.

Key Features

• Exhaust gas differential pressure sensor for diesel exhaust system monitoring
• Direct-fit application coverage for select Chevrolet and GMC heavy-duty trucks and vans
• Walker Products part number 274-1025
• OE-style replacement for vehicles requiring differential pressure sensor feedback
• Cross-references Standard Ignition DPS107 and VP27 for the same application

Vehicle Fitment

• Fits 2011-2013 Chevrolet Express 2500, N/A
• Fits 2014 Chevrolet Express 2500, N/A
• Fits 2015-2016 Chevrolet Express 2500, N/A
• Fits 2011-2013 Chevrolet Express 3500, N/A
• Fits 2014 Chevrolet Express 3500, N/A
• Fits 2015-2016 Chevrolet Express 3500, N/A
• Fits 2011-2013 Chevrolet Silverado 2500 HD, N/A
• Fits 2014 Chevrolet Silverado 2500 HD, N/A
• Fits 2015-2016 Chevrolet Silverado 2500 HD, N/A
• Fits 2011-2013 Chevrolet Silverado 3500 HD, N/A
• Fits 2014 Chevrolet Silverado 3500 HD, N/A
• Fits 2015-2016 Chevrolet Silverado 3500 HD, N/A
• Fits 2011-2016 GMC Savana 2500, N/A
• Fits 2011-2016 GMC Savana 3500, N/A
• Fits 2011-2013 GMC Sierra 2500 HD, N/A
• Fits 2014 GMC Sierra 2500 HD, N/A
• Fits 2015-2016 GMC Sierra 2500 HD, N/A
• Fits 2011-2013 GMC Sierra 3500 HD, N/A
• Fits 2014 GMC Sierra 3500 HD, N/A
• Fits 2015-2016 GMC Sierra 3500 HD, N/A

What This Sensor Helps Address

• Fault codes related to exhaust pressure sensor performance
• Incorrect exhaust gas differential pressure readings
• Diesel emissions system monitoring issues
• Driveability concerns tied to sensor signal loss or drift
• Check engine light conditions associated with exhaust pressure feedback

Installation Notes

Verify the original connector style, mounting location, and application before installation. This Walker Products 274-1025 sensor is intended for the listed Chevrolet Express, Silverado HD, GMC Savana, and Sierra HD fitments, so confirm year and model match the vehicle exactly. After installation, clear diagnostic trouble codes and recheck system operation.

Quality Assurance

Walker Products manufactures engine management components to meet or exceed OEM standards and specifications. The company supports production with in-house engineering, product management, and technical documentation, and operates under ISO 9001/IATF16949 certified quality systems.