Dorman 904-235 Turbocharger Vane Position Sensor

Turbocharger Vane Position Sensor for GM Diesel Applications

Dorman 904-235 is a standard replacement turbocharger vane position sensor that restores the engine management system’s ability to read vane position on a variable geometry turbocharger. It is built for direct-fit service on select Chevrolet Silverado HD, GMC Sierra HD, Express, Savana, and Hummer H1 applications.

• Matches the function of the original equipment vane position sensor
• Standard replacement design for service repair
• 2-terminal female connector with oval female terminals
• Mounting bracket included for installation support
• 20-gauge wire specification
• Fits select 2006-2019 Chevrolet Silverado 2500 HD and Silverado 3500 HD models
• Fits select 2006-2019 GMC Sierra 2500 HD and Sierra 3500 HD models

How It Works

This Dorman turbocharger vane position sensor, part number 904-235, reports vane position data so the engine control system can manage turbocharger operation accurately. It is a direct OE-style replacement for vehicles using a variable geometry turbocharger, including select Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500 HD, GMC Sierra 2500 HD, and GMC Sierra 3500 HD diesel applications. This part cross-references SKP SK904235 for the same application.

Common Issues It May Resolve

• Fault codes related to turbo vane position feedback
• Loss of accurate vane position signal to the engine control system
• Turbocharger response problems caused by a failed sensor
• Driveability concerns tied to incorrect vane position reporting
• Replacement needs after sensor wear or electrical failure

Installation Notes and Tips

Verify connector style, terminal count, and mounting location before installation. This sensor uses a female connector, female terminals, and an included mounting bracket, so confirm the original configuration matches the part before service. For best results, inspect the turbocharger linkage and wiring harness for damage before installing Dorman 904-235.

Quality Assurance

Dorman 904-235 is engineered as a standard replacement part to match the original sensor’s function and restore proper turbo vane position reporting. It is listed with OE-style interchange references for select GM diesel applications, including Chevrolet Silverado HD and GMC Sierra HD platforms.