Dorman 977-513 Throttle Position Sensor

Dorman 977-513 Throttle Position Sensor

Dorman 977-513 is a throttle position sensor built to match the fit and function of the original sensor on specified vehicles. It uses a 3-way female electrical connection, a 3-terminal blade design, and a black plastic housing for direct replacement service on supported applications.

Key Features

• Throttle position sensor for emission control and engine management systems
• OE-style fit and function for specified vehicles
• 3-way female electrical connection with blade terminals
• Black plastic construction
• Throttle body mounted: No
• Adjustable: No
• Part number: 977-513

Detailed Description

This Dorman throttle position sensor helps the engine control module read throttle movement accurately on supported Chevrolet, Pontiac, Buick, GMC, Geo, and Oldsmobile applications. It is a direct replacement for vehicles such as the 1994-1997 Chevrolet Camaro, 1994-1997 Pontiac Firebird, and 1994-1996 Chevrolet Caprice, and it also cross-references Delphi SS10459 and Standard Ignition TH51 for the same application. The 977-513 sensor is designed for reliable performance and durability in daily driving conditions.

Compatible With 1989-1997 Chevrolet Camaro, Pontiac Firebird, Buick Roadmaster, Chevrolet Caprice, Chevrolet Impala, Chevrolet Astro, GMC Safari, Buick Skylark, Chevrolet Lumina, Buick Regal, Geo Storm, Oldsmobile Achieva, Oldsmobile Cutlass Supreme, Pontiac Grand Prix, Chevrolet Corsica, and Oldsmobile Cutlass Calais applications, depending on engine and vehicle configuration.

What It Helps Address

• Throttle position signal errors
• Rough or inconsistent acceleration response
• Check engine light concerns related to throttle input
• Driveability issues caused by worn sensor output
• Incorrect throttle angle feedback to the engine control system

Installation Notes and Tips

Verify connector style, terminal count, and vehicle application before installation. This sensor uses a 3-way female electrical connection and blade terminals, and it is not adjustable. Installation hardware is not included. Confirm the throttle position sensor location and inspect the harness connector for corrosion or damage before replacing the part.

Quality Assurance

Dorman engineers this sensor to match original fit and function on specified vehicles and to deliver dependable service life. Part number 977-513 is built as a direct replacement solution for supported Chevrolet, Pontiac, Buick, GMC, Geo, and Oldsmobile applications.