Dorman 962-521 Engine Crankshaft Position Sensor

Dorman 962-521 Crankshaft Position Sensor

This Dorman crankshaft position sensor is a direct replacement for the original equipment unit, built to match factory fit and function for a dependable repair. It is engineered for vehicles that need accurate crankshaft signal input, including Mazda B4000 applications from 1995-2010.

• Direct replacement crankshaft position sensor for OE-style fit and function
• Black plastic sensor body with a rectangular connector
• Male connector and male terminal design
• 2 mounting holes and included mounting bracket for secure installation
• 2-terminal sensor with no wiring harness included
• Extensively tested for reliable performance
• Compatible With 1995-2010 Mazda B4000

Detailed Product Information

Dorman 962-521 is an engine crankshaft position sensor designed to restore the signal the engine control system uses to monitor crankshaft speed and position. The sensor features a 21 mm body diameter, a single rectangular connector, and a pin-style terminal layout for a straightforward OE-style replacement. Its black plastic construction and included bracket support proper mounting in the original location. This part cross-references NTK EH0206 for the same application.

Common Problems This Sensor Can Help Solve

• Crankshaft signal loss that can trigger a no-start condition
• Intermittent stalling or sudden engine shutdown
• Rough running caused by inaccurate crankshaft position data
• Check engine light concerns related to crankshaft sensor faults
• Hard starting on Mazda B4000 models with a failing original sensor

Installation Notes and Tips

Verify connector style, terminal count, and mounting points before installation. The included bracket supports proper sensor placement, and the sensor should be installed in the original location for correct signal reading. For Mazda B4000 crankshaft position sensor replacement, confirm the harness connector is clean and free of corrosion before connecting the new unit.

Quality Assurance

This Dorman 962-521 replacement sensor has undergone extensive testing to support reliable operation and consistent fitment. It is built as a direct replacement for the original equipment sensor on 1995-2010 Mazda B4000 applications.