HomeExhaust > SensorsWalker 274-1025 Exhaust Gas Differential Pressure Sensor
Part #: 274-1025

Walker 274-1025 Exhaust Gas Differential Pressure Sensor

Walker Products
⚙️ 48 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Walker Products
🚗Fitment: Chevrolet and GMC, Express 2500, Express 3500, Silverado 2500 HD, Silverado 3500 HD, Sierra 2500 HD, and Sierra 3500 HD
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Overview of Walker Exhaust Gas Differential Pressure Sensor

The Walker Products 274-1025 Exhaust Gas Differential Pressure Sensor is designed for precise monitoring of exhaust gas flow in select Chevrolet and GMC vehicles. This sensor plays a critical role in maintaining optimal emissions control and engine performance for models such as the Chevrolet Silverado 2500 HD and GMC Sierra 3500 HD.

  • Compatible with Chevrolet Express 2500, Express 3500, Silverado 2500 HD, Silverado 3500 HD
  • Compatible with GMC Savana 2500, Savana 3500, Sierra 2500 HD, Sierra 3500 HD
  • Part number 274-1025 ensures exact fit and function
  • Monitors exhaust gas differential pressure for emission system accuracy
  • Manufactured under the Walker Products brand line for reliable quality

Detailed Product Description

The Walker Products 274-1025 Exhaust Gas Differential Pressure Sensor is engineered to measure the pressure difference in the exhaust system, providing essential data to the vehicle’s engine control unit (ECU). This sensor helps regulate the diesel particulate filter (DPF) and other emission control components by detecting pressure changes caused by exhaust flow restrictions. Designed specifically for heavy-duty Chevrolet and GMC trucks and vans, including the Express and Savana series as well as the Silverado and Sierra HD models, this sensor supports compliance with emission standards and helps maintain engine efficiency.

Walker Products Brand Line Information

Walker Products is a recognized brand line specializing in emission control components, including sensors, valves, and exhaust system parts. The 274-1025 sensor is part of their sensor category, reflecting Walker’s focus on precision and durability in exhaust system monitoring. This product line is tailored to meet the demands of professional repair shops and vehicle owners requiring dependable replacement parts for emission systems.

Common Applications and Issues Addressed

  • Helps resolve inaccurate exhaust pressure readings affecting DPF regeneration
  • Prevents engine performance issues related to faulty exhaust gas sensors
  • Supports emission system diagnostics and compliance
  • Reduces risk of check engine light triggers due to sensor failure
  • Assists in maintaining fuel efficiency by ensuring proper exhaust flow monitoring

Installation Notes and Tips

Installation of the Walker 274-1025 sensor should be performed by a qualified technician familiar with exhaust system components. Ensure the vehicle is compatible by verifying make and model fitment, including Chevrolet Express 2500/3500 and GMC Savana 2500/3500. Proper handling of the sensor and connectors is essential to avoid damage. Calibration or ECU reset may be required after installation to ensure accurate sensor readings.

Quality Assurance and Warranty

Walker Products maintains strict quality control standards for the 274-1025 Exhaust Gas Differential Pressure Sensor. While specific warranty details are not provided here, Walker typically offers coverage against manufacturing defects. This sensor is manufactured to meet or exceed OEM specifications, ensuring reliable performance in Chevrolet and GMC heavy-duty vehicles.

This part fits 48 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2016ChevroletExpress 25006.6LV8N/A
2016ChevroletExpress 35006.6LV8N/A
2016ChevroletSilverado 2500 HD6.6LV8N/A
2016ChevroletSilverado 3500 HD6.6LV8N/A
2016GMCSavana 25006.6LV8N/A
2016GMCSavana 35006.6LV8N/A
2016GMCSierra 2500 HD6.6LV8N/A
2016GMCSierra 3500 HD6.6LV8N/A
2015ChevroletExpress 25006.6LV8N/A
2015ChevroletExpress 35006.6LV8N/A
2015ChevroletSilverado 2500 HD6.6LV8N/A
2015ChevroletSilverado 3500 HD6.6LV8N/A
2015GMCSavana 25006.6LV8N/A
2015GMCSavana 35006.6LV8N/A
2015GMCSierra 2500 HD6.6LV8N/A
2015GMCSierra 3500 HD6.6LV8N/A
2014ChevroletExpress 25006.6LV8DIESELN/AWalker Products
2014ChevroletExpress 35006.6LV8DIESELN/AWalker Products
2014ChevroletSilverado 2500 HD6.6LV8DIESELN/AWalker Products
2014ChevroletSilverado 3500 HD6.6LV8DIESELN/AWalker Products
2014GMCSavana 25006.6LV8N/A
2014GMCSavana 35006.6LV8N/A
2014GMCSierra 2500 HD6.6LV8DIESELN/AWalker Products
2014GMCSierra 3500 HD6.6LV8DIESELN/AWalker Products
2013ChevroletExpress 25006.6LV8N/A
2013ChevroletExpress 35006.6LV8N/A
2013ChevroletSilverado 2500 HD6.6LV8N/A
2013ChevroletSilverado 3500 HD6.6LV8N/A
2013GMCSavana 25006.6LV8N/A
2013GMCSavana 35006.6LV8N/A
2013GMCSierra 2500 HD6.6LV8N/A
2013GMCSierra 3500 HD6.6LV8N/A
2012ChevroletExpress 25006.6LV8N/A
2012ChevroletExpress 35006.6LV8N/A
2012ChevroletSilverado 2500 HD6.6LV8N/A
2012ChevroletSilverado 3500 HD6.6LV8N/A
2012GMCSavana 25006.6LV8N/A
2012GMCSavana 35006.6LV8N/A
2012GMCSierra 2500 HD6.6LV8N/A
2012GMCSierra 3500 HD6.6LV8N/A
2011ChevroletExpress 25006.6LV8N/A
2011ChevroletExpress 35006.6LV8N/A
2011ChevroletSilverado 2500 HD6.6LV8N/A
2011ChevroletSilverado 3500 HD6.6LV8N/A
2011GMCSavana 25006.6LV8N/A
2011GMCSavana 35006.6LV8N/A
2011GMCSierra 2500 HD6.6LV8N/A
2011GMCSierra 3500 HD6.6LV8N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

126302572-22012213-38545S13288800-6058DPS107EGR640EGS10010SPF8SU14701TP0018VP27

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.