Dorman 962-604 Engine Crankshaft Position Sensor

Engine Crankshaft Position Sensor Overview

Dorman 962-604 is an engine crankshaft position sensor built to match the fit and function of the original unit. It helps the engine control unit receive accurate crankshaft position input after the factory sensor has failed from heat or internal component damage. This OE-style replacement supports reliable engine timing signals for select Chevrolet, GMC, Buick, and Cadillac applications.

Key Features

• Direct-fit crankshaft position sensor for OE-style replacement
• Black sensor body with an oval female connector
• 3-terminal design with blade-style terminals
• Single mounting hole layout for straightforward installation
• Metal and plastic construction for underhood use
• No wiring harness included
• No mounting bracket included

Detailed Application Notes

Part number 962-604 is used on a wide range of GM vehicles, including the Chevrolet Camaro, Malibu, Colorado, Equinox, Traverse, Blazer, and Impala, along with GMC Acadia, Canyon, and Terrain, plus Buick Envision, Regal, LaCrosse, and Cadillac ATS, CTS, and CT6. It is also listed for the Chevrolet Malibu Limited and several 2013-2022 model-year applications. This part cross-references Standard Ignition PC977 for the same application.

What This Sensor Helps Address

• Crankshaft position signal loss
• Engine stalling related to sensor failure
• Hard starting caused by incorrect engine speed input
• Check engine light concerns tied to crankshaft sensor faults
• Driveability issues after heat-related sensor damage

Installation Notes and Tips

Verify connector shape, terminal count, and mounting-hole layout before installation. Inspect the connector and nearby wiring for heat damage, corrosion, or bent terminals before plugging in the replacement sensor. Confirm the vehicle application by year, make, and model, since Dorman 962-604 is listed across multiple GM platforms including Chevrolet Camaro and Malibu, GMC Canyon and Acadia, and Buick Envision.

Quality Assurance

Dorman designs this sensor to match original fit and function so the engine control unit receives proper inputs after the OE sensor has failed. The black sensor body, oval connector, and OE-style terminal layout support a direct replacement approach for service work on compatible GM vehicles.