Walker 242-1065 Ignition Knock (Detonation) Sensor

Walker 242-1065 Knock Sensor for Mazda 2

Walker Products 242-1065 is an ignition knock sensor built for direct replacement service on select Mazda 2 applications. It uses a round connector, blade terminal design, and included wiring harness to support accurate engine knock signal transfer in the vehicle’s ignition and engine management system.

Key Features

• Ignition knock (detonation) sensor for engine timing control
• Fits 2011-2014 Mazda 2
• Round connector with male connector gender and female terminal gender
• Blade terminal type with 1 terminal and 1 connector
• Wiring harness included; harness length 409.5 mm
• Sensor length 431.8 mm with 10.0 mm threaded end diameter
• Walker Products part number 242-1065

Product Details

Walker Products 242-1065 is part of Walker Products’ engine sensor and fuel system line, backed by the company’s long-running aftermarket manufacturing experience and ISO 9001/IATF16949 certification. The brand focuses on components built to meet or exceed OEM standards and specifications, with engineering and technical support used to maintain application accuracy. For drivers and technicians servicing a Mazda 2, this knock sensor supports the engine management system’s ability to detect detonation and respond with proper timing adjustments. This part cross-references Standard Ignition KS426 for the same application.

What It Helps Address

• Knock sensor fault codes
• Audible spark knock or detonation under load
• Erratic ignition timing control
• Reduced engine performance caused by a failed sensor signal
• Check engine light related to knock sensor circuit issues

Installation Notes

Verify connector style, threaded end diameter, and harness routing before installation. Inspect the mounting location for corrosion, damaged wiring, or contamination that could affect signal quality. Confirm the vehicle application matches 2011-2014 Mazda 2 before replacing the sensor. Use the existing service procedure for torque and connector handling.

Quality Assurance

Walker Products manufactures engine management components to meet or exceed OEM standards and specifications. The company is ISO 9001/IATF16949 certified and supports product accuracy through in-house manufacturing, engineering, and technical documentation.