Walker 242-1070 Ignition Knock (Detonation) Sensor

Walker 242-1070 Ignition Knock Sensor

Walker Products 242-1070 is an ignition knock sensor built for direct-fit engine management service on select Ford, Mazda, and Mercury applications. It uses a square connector, blade terminals, and includes a wiring harness for a cleaner replacement on vehicles that need accurate detonation detection.

Key Features

• Ignition knock (detonation) sensor for engine timing control
• Square 1-connector design with 4 female terminals
• Blade terminal type with male connector gender
• Wiring harness included for service replacement
• Built by Walker Products, an ISO 9001/IATF16949 certified manufacturer
• Part number 242-1070 for catalog and fitment lookup

Product Details

Walker Products 242-1070 is part of the Walker Products engine sensor line, supported by the company’s fuel system and engine management manufacturing background. Walker has supplied aftermarket components since 1946 and produces sensors to meet or exceed OEM standards and specifications. This knock sensor is used in applications where the engine control system monitors vibration and detonation so timing can be adjusted correctly. It is a direct replacement choice for select 2000-2004 Ford Focus, 2001-2004 Ford Escape, and 2001-2004 Mazda Tribute applications, along with additional Ford and Mercury models listed below. The 242-1070 part number is also useful when cross-checking service references and catalog listings.

This part cross-references Standard Ignition KS128 for the same application.

Vehicle Fitment

• Fits 2001-2004 Ford Escape, N/A
• Fits 2000-2004 Ford Focus, N/A
• Fits 2001-2004 Mazda Tribute, N/A
• Fits 2001 Ford E-150 Econoline, N/A
• Fits 2001 Ford E-150 Econoline Club Wagon, N/A
• Fits 2001 Ford E-250 Econoline, N/A
• Fits 2000 Ford Contour, N/A
• Fits 2000 Mercury Mystique, N/A
• Fits 1999 Ford Contour, N/A; models manufactured from May 3, 1999 onwards
• Fits 1999 Mercury Mystique, N/A; models manufactured from May 3, 1999 onwards

Installation Notes

Verify connector shape, terminal count, and harness routing before installation. Confirm the vehicle build date on 1999 Ford Contour and 1999 Mercury Mystique applications, since fitment applies only to models manufactured from May 3, 1999 onward. Compare the original sensor and connector layout to the 242-1070 part number before final assembly.

Quality Assurance

Walker Products manufactures engine sensors and fuel system components to meet or exceed OEM standards and specifications. The company supports production with in-house engineering, product management, and technical documentation, and operates as an ISO 9001/IATF16949 certified manufacturer.