Walker 242-1046 Ignition Knock (Detonation) Sensor

Walker Products 242-1046 Knock Sensor

Walker Products 242-1046 is an ignition knock sensor built for engine management systems that rely on accurate detonation detection. It is a direct-fit style replacement for select Honda, Acura, and Saturn applications, with a square female connector and blade-style male terminal.

Key Features

• Ignition knock (detonation) sensor for engine timing control
• Square connector shape with 1 female connector
• Blade terminal design with 1 male terminal
• Length: 47.5000
• Wiring harness not included
• Mounting hardware not included
• Walker Products part number 242-1046

Product Details

Walker Products has supplied fuel system and engine sensor components since 1946, with manufacturing and engineering support focused on OEM-level specifications. The 242-1046 knock sensor is part of the Walker Products engine management line, which includes sensors and related components used to maintain accurate signal input for modern ignition and fuel control systems. This part number 242-1046 is listed for applications including 1999-2010 Honda Odyssey, 2005-2008 Acura RL, 1999-2008 Acura TL, 2003-2008 Honda Pilot, 2006-2008 Honda Ridgeline, 2003-2007 Honda Accord, 2004-2007 Saturn Vue, 2001-2006 Acura MDX, and 2001-2003 Acura CL.

This part cross-references Standard Ignition KS65 and KS102 for the same application.

What It Helps Address

• Knock sensor fault codes
• Audible spark knock or pinging under load
• Erratic ignition timing response
• Reduced engine performance caused by incorrect detonation feedback
• Check engine light concerns related to knock sensor signal issues

Installation Notes

Verify connector style, terminal layout, and vehicle application before installation. This sensor uses a square connector with a female connector body and a male blade terminal, so matching the original configuration is important for proper fitment. Confirm the vehicle is one of the listed applications for the 242-1046 before replacing the original sensor.

Quality Assurance

Walker Products manufactures engine sensors and fuel system components to meet or exceed OEM standards and specifications. The company is ISO 9001 and IATF 16949 certified, with product management and engineering support used to maintain application accuracy and part quality.