Dorman 924-432 Transmission Range Sensor

Transmission Range Sensor for GM Applications

Dorman 924-432 is a transmission range sensor built to match the fit and function of the original sensor on specified vehicles. It is engineered for durable, reliable performance in GM trucks, vans, SUVs, and performance models that need accurate gear-position input.

Compatible With 2003-2009 Chevrolet Express, Silverado, Tahoe, Trailblazer, and related GMC, Buick, Cadillac, Hummer, Pontiac, and Oldsmobile applications, this Dorman 924-432 transmission range sensor supports dependable transmission signal operation.

Key Features

• Direct replacement transmission range sensor for specified vehicles
• Designed to match original fit and function
• Black plastic body with oval female connector
• 11-terminal design with blade-style terminals
• Wiring harness not included
• Cross-reference part numbers include 1S5170 and NS319

Detailed Description

The Dorman 924-432 transmission range sensor is engineered for vehicles that rely on accurate transmission position feedback to the control system. It is built with a plastic housing, oval connector shape, and 11 terminals to align with the original equipment layout on the listed applications. This part number 924-432 is a practical OE-style replacement for drivers servicing Chevrolet Silverado 1500, GMC Sierra 1500, Chevrolet Trailblazer, and other compatible GM platforms.

By matching the original sensor’s fit and function, Dorman 924-432 helps restore proper transmission range signal communication on vehicles such as the Chevrolet Express, GMC Savana, and Cadillac Escalade. It is also listed for select Hummer H2 and H3, Pontiac GTO, and Buick Rainier applications.

What It Helps Fix

• Incorrect gear position readings
• Transmission starting or shifting concerns tied to range signal errors
• Neutral safety switch-related drivability issues
• Intermittent transmission indicator behavior
• Faults caused by a worn or damaged original sensor

Installation Notes and Tips

Verify connector style, terminal count, and vehicle fitment before installation. This sensor uses a single oval female connector with blade terminals and does not include a wiring harness. Confirm the application by year, make, and model, especially on 2003 vehicles with the listed production-date notes. Fits 2004-2008 Chevrolet Silverado 1500, N/A; Fits 2004-2009 Chevrolet Express 2500, N/A; Fits 2006-2008 Hummer H3, N/A.

Quality Assurance

Dorman designs this transmission range sensor to match original equipment fit and function and to deliver dependable service life. The part is built for durability and reliable performance across the specified GM applications.