Dorman 962-521 Engine Crankshaft Position Sensor

Reliable Crankshaft Position Sensor for Mazda B4000

The Dorman 962-521 Engine Crankshaft Position Sensor is designed to provide accurate engine timing data for Mazda B4000 models. This sensor ensures proper ignition and fuel injection timing, contributing to smooth engine performance.

• Compatible with Mazda B4000 vehicles
• Durable black plastic sensor body with 21mm diameter
• Includes mounting bracket with two mounting holes for secure installation
• Single rectangular male connector with two male pin terminals
• Does not include wiring harness for direct OEM integration

Detailed Product Features and Specifications

The Dorman 962-521 crankshaft position sensor features a compact black plastic body measuring 21mm in diameter, designed to fit precisely in the engine assembly of Mazda B4000 trucks. It includes a mounting bracket with two holes to ensure a stable and secure fit. The sensor uses a single rectangular male connector with two male pin terminals, facilitating a reliable electrical connection without the need for additional wiring harnesses. This sensor is engineered to provide consistent and accurate crankshaft position data, which is critical for engine control modules to manage ignition timing and fuel delivery effectively.

Common Applications and Problem Resolution

This crankshaft position sensor is used to monitor the rotational position and speed of the crankshaft in Mazda B4000 engines. It helps the engine control unit (ECU) optimize ignition timing and fuel injection. Replacing a faulty sensor can resolve issues such as:

• Engine misfires or rough idling
• Difficulty starting the engine or no-start conditions
• Check engine light related to crankshaft sensor faults
• Reduced engine performance or stalling
• Poor fuel economy due to incorrect timing

Installation Notes and Tips

When installing the Dorman 962-521 sensor on a Mazda B4000, ensure the mounting bracket is securely fastened using the two provided mounting holes. Verify the connector is fully seated to prevent electrical connection issues. Since the wiring harness is not included, use the existing OEM harness for connection. It is recommended to inspect the sensor mounting area for debris or damage before installation to ensure optimal sensor performance.

Quality Assurance and Warranty Information

Dorman manufactures this crankshaft position sensor to meet or exceed OEM specifications for fit and function. The sensor is constructed from durable plastic materials designed to withstand engine bay conditions. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship to provide confidence in product reliability.