Dorman 917-031 Ignition Knock (Detonation) Sensor Connector

Overview of Dorman Ignition Knock Sensor Connector 917-031

The Dorman 917-031 Ignition Knock (Detonation) Sensor Connector is designed specifically for Subaru Forester, Impreza, and Legacy models. This electrical connector ensures reliable communication between the knock sensor and the engine control unit, helping maintain optimal engine performance.

• Compatible with Subaru Forester, Impreza, and Legacy vehicles
• Rectangular shape with 2 male blade terminals
• Connector length of 6.7 inches for precise fitment
• Durable plastic construction with water-resistant design
• Includes one knock sensor wiring harness

Detailed Product Description

This ignition knock sensor connector from Dorman features a rectangular design housing two male blade terminals, providing a secure and stable electrical connection. The 6.7-inch length allows for proper routing and fitment within the engine bay of Subaru Forester, Impreza, and Legacy models. Constructed from durable plastic, the connector is built to withstand harsh automotive environments. Its water-resistant properties help protect the electrical contacts from moisture and corrosion, ensuring consistent sensor performance over time.

Common Applications and Issues Addressed

• Restores proper knock sensor signal transmission to the engine control unit
• Eliminates intermittent engine knocking or detonation detection errors
• Prevents check engine light triggers related to knock sensor circuit faults
• Resolves poor engine performance caused by faulty sensor connections
• Replaces damaged or corroded ignition knock sensor connectors

Installation Notes and Tips

When installing the Dorman 917-031 connector, ensure the terminals are fully seated and locked to prevent disconnection. Verify the connector length and shape match the original equipment to avoid fitment issues. It is recommended to inspect the wiring harness for any damage before installation. Use dielectric grease on terminals to enhance corrosion resistance and maintain electrical conductivity.

Quality Assurance and Warranty

Dorman manufactures this ignition knock sensor connector to meet or exceed OEM specifications for fit, form, and function. The plastic housing and water-resistant design contribute to long-term durability in demanding engine environments. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship for this part number 917-031.