Walker 242-1048 Ignition Knock (Detonation) Sensor

Walker Products 242-1048 Knock Sensor

Walker Products 242-1048 is an ignition knock sensor built for direct replacement service on select Dodge, Jeep, and Mitsubishi applications. It uses a rectangular female connector, 4 male terminals, and includes a wiring harness for a cleaner service replacement on the listed vehicles.

Key Features

• Ignition knock (detonation) sensor for engine management service
• Rectangular connector with 1 female connector and 4 male terminals
• Wiring harness included
• Blade terminal type
• Wiring harness length: 407.0000
• Walker Products part number 242-1048

Product Details

Walker Products has supplied fuel system and engine sensor components since 1946 and manufactures to meet or exceed OEM standards and specifications. The Walker Products line is supported by in-house manufacturing, product management, and engineering resources, with ISO 9001/IATF16949 certification focused on consistent part quality and application accuracy. Part number 242-1048 is intended for vehicles that use this sensor configuration, including 2002-2006 Dodge Ram 1500, 2004-2006 Dodge Dakota, 2004-2006 Dodge Durango, 2002-2006 Jeep Liberty, 2005-2006 Jeep Grand Cherokee, 2006 Jeep Commander, and 2006 Mitsubishi Raider.

This part cross-references Standard Ignition KS171 for the same application.

Common Symptoms This Part May Address

• Knock sensor fault codes
• Engine pinging or detonation-related drivability issues
• Reduced ignition timing control from a failed sensor signal
• Check engine light related to knock sensor circuit concerns
• Rough performance under load on the listed applications

Installation Notes

Verify connector shape, terminal count, and harness routing before installation. Compare the original sensor and connector style to Walker Products 242-1048, especially on Dodge Ram 1500, Jeep Liberty, and Jeep Grand Cherokee applications. Follow the vehicle service procedure for sensor location, torque, and harness placement to avoid wiring strain or false readings.

Quality Assurance

Walker Products manufactures engine sensors to meet or exceed OEM standards and specifications. The company’s ISO 9001/IATF16949 certification supports controlled production and application data accuracy for parts such as the 242-1048 knock sensor.