Dorman 904-074 Fuel Pressure Sensor - At Fuel Rail

Fuel Pressure Sensor for GM Fuel Rail Applications

This Dorman fuel pressure sensor is built to match the fit and function of the original sensor on specified vehicles. Part number 904-074 is engineered for durable, reliable performance at the fuel rail, where accurate pressure feedback is critical to engine operation.

• Direct replacement fuel pressure sensor for specified GM applications
• Mounts at the fuel rail
• Oval connector shape with 4 terminals
• Male connector and male terminal design
• 18 mm thread diameter
• Maximum pressure reading: 36300
• Connector dimensions: 2.2 in. x 1.3 in. x 2.2 in.
• Cross-references Standard Ignition FPS121 for the same application

Detailed Fitment and Function

Designed for fuel system service on Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500 HD, GMC Sierra 2500 HD, GMC Sierra 3500 HD, Chevrolet Colorado, GMC Canyon, Chevrolet Cruze, Chevrolet Equinox, and GMC Terrain applications, this sensor helps provide the pressure signal needed for proper fuel delivery control. Dorman 904-074 is a practical OE-style replacement when the original fuel pressure sensor at the fuel rail has failed or is no longer reading accurately.

Compatible With 2017-2023 Chevrolet Silverado 2500 HD, at fuel rail; 2017-2023 Chevrolet Silverado 3500 HD, at fuel rail; 2017-2023 GMC Sierra 2500 HD, at fuel rail; 2017-2023 GMC Sierra 3500 HD, at fuel rail; 2016-2022 Chevrolet Colorado, at fuel rail; 2016-2022 GMC Canyon, at fuel rail; 2017-2019 Chevrolet Cruze, at fuel rail; 2018-2019 Chevrolet Equinox, at fuel rail; and 2018-2019 GMC Terrain, at fuel rail.

What This Sensor Helps Address

• Fuel pressure signal errors from a worn or failing sensor
• Hard starting caused by incorrect fuel rail pressure data
• Rough idle or drivability issues tied to fuel pressure feedback
• Check engine light conditions related to fuel pressure sensor faults
• Fuel delivery control problems on GM fuel rail applications

Installation Notes and Tips

Verify the connector style, 18 mm thread diameter, and fuel rail mounting location before installation. Inspect the electrical connector and surrounding fuel system components for damage, corrosion, or contamination before replacing the sensor. Confirm vehicle application by year, make, and model, since this part is used across multiple Chevrolet and GMC platforms.

Quality Assurance

Dorman designs this fuel pressure sensor to match original fit and function while emphasizing durability and dependable operation. Part number 904-074 is built as a replacement solution for specified vehicles where accurate fuel pressure sensing is required.