Walker 242-1053 Ignition Knock (Detonation) Sensor

Ignition Knock Sensor for GM Applications

Walker Products 242-1053 is an ignition knock sensor built for direct replacement service on select GM vehicles. It uses a 2-terminal blade connection with a female connector, male terminals, and an oblong connector shape for a straightforward electrical match.

Compatible With 2003-2006 Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, and Saab applications listed below, this sensor supports accurate engine knock detection for drivability and engine management service. Walker Products 242-1053 is also cross-referenced to Standard Ignition KS154 for the same application.

Key Features

• Part number: 242-1053
• Ignition knock (detonation) sensor for emission control and engine management service
• Blade terminal type with 2 terminals
• 1 female connector with oblong shape
• Male terminal gender
• Mounting hardware included
• No wiring harness included
• Walker Products engine sensor replacement backed by ISO 9001/IATF16949 manufacturing standards

Product Details

Walker Products has supplied fuel system and engine management components since 1946, with manufacturing and engineering support focused on OE-level fit and specification control. The 242-1053 knock sensor is part of that engine sensor lineup and is intended for vehicles that rely on knock detection to help the engine control system manage spark timing under load. This part number 242-1053 is listed for applications including the 2006 Buick Lucerne, 2006 Cadillac DTS, 2004-2006 Chevrolet Colorado, and 2004-2006 GMC Canyon, along with additional GM and related platform coverage.

Fits 2006 Buick Lucerne, N/A. Fits 2006 Cadillac DTS, N/A. Fits 2004-2006 Chevrolet Colorado, N/A. Fits 2004-2006 GMC Canyon, N/A. Fits 2006 Hummer H3, N/A. Fits 2006 Isuzu i-280, N/A. Fits 2006 Isuzu i-350, N/A. Fits 2004-2005 Buick Rainier, N/A. Fits 2003-2005 Cadillac DeVille, N/A. Fits 2003-2005 Chevrolet Trailblazer, N/A. Fits 2003-2005 Chevrolet Trailblazer EXT, N/A. Fits 2003-2005 GMC Envoy, N/A. Fits 2003-2005 GMC Envoy XL, N/A. Fits 2004-2005 GMC Envoy XUV, N/A. Fits 2004-2005 Isuzu Ascender, N/A. Fits 2004-2005 Pontiac Bonneville, N/A. Fits 2005 Saab 9-7x, N/A. Fits 2003-2004 Cadillac Seville, N/A. Fits 2003-2004 Oldsmobile Bravada, N/A. Fits 2003 Oldsmobile Aurora, N/A.

What It Helps Address

• Knock sensor fault codes related to detonation sensing
• Erratic ignition timing caused by a failing sensor signal
• Reduced engine performance under load
• Check engine light concerns tied to knock sensor circuit issues
• Driveability complaints on GM trucks and SUVs with listed fitment

Installation Notes

Verify connector style, terminal count, and vehicle application before installation. The sensor uses a female connector with male blade terminals and does not include a wiring harness. Confirm the mounting location and transfer only the hardware required by the vehicle service procedure.

Quality Assurance

Walker Products manufactures engine sensors to meet or exceed OEM standards and specifications, with product management and engineering support used to maintain application accuracy and technical documentation. ISO 9001/IATF16949 certification supports controlled production and quality processes for the 242-1053 knock sensor.