Walker 242-1071 Ignition Knock (Detonation) Sensor

Ignition Knock Sensor for OE-Style Engine Control

Walker Products 242-1071 is an ignition knock (detonation) sensor built for precise engine monitoring and replacement service. It is a direct-fit style sensor with a female rectangular connector, blade terminals, and an included wiring harness for a cleaner repair on supported applications.

Compatible With 1997-2005 Cadillac and Saturn applications, including Cadillac Catera, Cadillac CTS, Saturn LS2, Saturn LW2, Saturn LW300, Saturn L300, and Saturn Vue. This part cross-references Standard Ignition KS164 for the same application.

Key Features

• Walker Products ignition knock sensor, part number 242-1071
• Female rectangular connector with 2 blade terminals
• Wiring harness included for the sensor connection
• Connector quantity: 1
• Terminal gender: male; connector gender: female
• Built for OE-style fitment and engine management service

Product Details

The Walker Products 242-1071 knock sensor is part of Walker Products’ engine sensor lineup, supported by the company’s long history in fuel system and engine management components. Walker Products has supplied automotive aftermarket parts since 1946 and manufactures to meet or exceed OEM standards and specifications. For buyers searching for a knock sensor for a 2003-2004 Cadillac CTS, a 1997-2001 Cadillac Catera, or a 2001-2005 Saturn L300, this sensor provides the correct connector style and harness configuration for the listed applications.

Use this ignition knock sensor when replacing a failed detonation sensor on supported Cadillac and Saturn vehicles. The part number 242-1071 is also a useful reference when comparing OE-style replacement options for engine knock sensor service.

What It Helps Fix

• Check engine light related to knock sensor circuit faults
• Engine pinging or detonation under load
• Incorrect ignition timing caused by faulty knock detection
• Rough performance from inaccurate engine knock feedback
• Diagnostic trouble codes tied to the knock sensor system

Installation Notes and Tips

Verify connector shape, terminal count, and harness length against the original sensor before installation. Confirm the sensor location on the engine and inspect the mating connector and wiring for corrosion, damage, or looseness. Because fitment varies by model year, match the vehicle application exactly before ordering. For search reference, this part is commonly sought for Cadillac CTS and Saturn L300 knock sensor replacement service.

Quality Assurance

Walker Products states that its components are manufactured to meet or exceed OEM standards and specifications. The company is ISO 9001 and IATF 16949 certified, with in-house manufacturing, engineering, and product management support for application accuracy and technical documentation.