Dorman 907-890 Engine Crankshaft Position Sensor

Reliable Engine Crankshaft Position Sensor for Select GM Vehicles

The Dorman 907-890 Engine Crankshaft Position Sensor is designed to provide accurate engine timing data for improved performance and reliability. Compatible with various Buick, Cadillac, Chevrolet, and Pontiac models, this sensor ensures precise crankshaft position monitoring essential for engine management systems.

• Terminal Type: Blade terminals for secure electrical connection
• Connector Quantity: Single oval-shaped female connector
• Terminal Quantity: Three male terminals for optimal signal transmission
• Mounting Hole Quantity: One mounting hole with included bracket for easy installation
• Sensor Body Diameter: Compact 0.7 inch plastic housing
• Mounting Bracket Included: Yes, for stable sensor positioning
• Wiring Harness: Not included

Detailed Product Description

The Dorman 907-890 crankshaft position sensor features a durable plastic body with a compact 0.7-inch diameter, designed to fit securely in the engine assembly of select GM vehicles. It includes a single oval-shaped female connector with three male blade terminals, ensuring reliable electrical contact. The sensor comes with a mounting bracket and one mounting hole, facilitating straightforward installation and stable sensor placement. This sensor does not include a wiring harness, so existing vehicle harnesses must be used. It is engineered to provide accurate crankshaft position data, which is critical for engine timing and fuel injection control.

Compatible Vehicles and Common Applications

This crankshaft position sensor is compatible with the following makes and models:

• Buick: Roadmaster, Fleetwood
• Cadillac: Fleetwood
• Chevrolet: Camaro, Caprice, Corvette, Impala
• Pontiac: Firebird

It is commonly used to address issues such as:

• Engine misfires or rough idling
• Difficulty starting the engine
• Intermittent stalling during operation
• Check engine light triggered by crankshaft sensor faults
• Poor engine performance or reduced fuel efficiency

Installation Notes and Tips

Installation of the Dorman 907-890 sensor requires removal of the old sensor and mounting bracket. Ensure the mounting hole aligns properly and the sensor is securely fastened using the included bracket. The oval female connector should be connected firmly to the vehicle’s wiring harness. Since the wiring harness is not included, verify the existing harness is in good condition before installation. It is recommended to disconnect the battery before installation to prevent electrical shorts.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. The 907-890 crankshaft position sensor undergoes rigorous quality control testing to ensure consistent operation. This part is backed by Dorman’s limited warranty, covering defects in material and workmanship under normal use conditions.