Walker 242-1057 Ignition Knock (Detonation) Sensor

Ignition Knock Sensor for Select Volvo and Nissan

Walker Products 242-1057 is an ignition knock sensor built for select Volvo, INFINITI, and Nissan applications. It uses a rectangular female connector with two male blade terminals and no wiring harness included, making it a direct sensor replacement for vehicles that need accurate detonation signal input.

Key Features

• Ignition knock (detonation) sensor for engine timing feedback
• Rectangular connector shape with 1 connector and 2 terminals
• Female connector / male terminal configuration
• Blade terminal type for OE-style electrical connection
• No mounting hardware included
• No wiring harness included

Walker Products Engine Sensor Line

Walker Products has supplied fuel system and engine management components since 1946. The Walker Products line includes sensors and related engine control parts manufactured to meet or exceed OEM standards and specifications, with engineering and technical support used to maintain application accuracy. Part number 242-1057 reflects that focus on fit, electrical connection, and dependable sensor replacement.

Detailed Description

Walker Products 242-1057 is designed for vehicles that rely on a knock sensor to monitor engine vibration and support proper ignition timing control. This part number 242-1057 is listed for select INFINITI M45, FX35, FX45, M35, G35, Q45, Nissan Murano, 350Z, Pathfinder, and Volvo 240, 740, 745, 760, 780, 850, 940, 960, S90, and V90 applications. For shoppers searching for a knock sensor for 2003-2007 INFINITI G35, a knock sensor for 2003-2008 Nissan Murano, or a knock sensor for Volvo 940 and 960 models, this sensor matches the listed connector and terminal configuration.

This part cross-references Standard Ignition KS204 for the same application.

What It May Help Resolve

• Knock sensor fault codes
• Engine pinging or detonation-related drivability concerns
• Reduced ignition timing control from a failed sensor signal
• Check engine light conditions tied to knock sensor circuit issues
• Rough running caused by inaccurate detonation feedback

Installation Notes and Tips

Verify connector shape, terminal count, and vehicle application before installation. This sensor uses a rectangular female connector with two male blade terminals, and it does not include a wiring harness or mounting hardware. Confirm the exact model year and engine application for your INFINITI, Nissan, or Volvo before replacing the original sensor.

Quality Assurance

Walker Products is an ISO 9001 and IATF 16949 certified manufacturer with a long history in engine management and fuel system components. The brand states its parts are produced to meet or exceed OEM standards and specifications, with internal engineering and product management support used to maintain application accuracy.

Compatible Vehicles

• Fits 2006-2010 INFINITI M45, N/A
• Fits 2003-2008 INFINITI FX35, N/A
• Fits 2003-2008 INFINITI FX45, N/A
• Fits 2006-2008 INFINITI M35, N/A
• Fits 2003-2007 INFINITI G35, N/A
• Fits 2003-2007 Nissan Murano, N/A
• Fits 2005-2006 INFINITI Q45, N/A
• Fits 2003-2006 Nissan 350Z, N/A
• Fits 2004 INFINITI Q45, N/A
• Fits 2003-2004 Nissan Pathfinder, N/A
• Fits 1997-1998 Volvo S90, N/A
• Fits 1997-1998 Volvo V90, N/A
• Fits 1995-1997 Volvo 960, N/A
• Fits 1995 Volvo 940, N/A
• Fits 1994 Volvo 850, N/A
• Fits 1991-1994 Volvo 940, N/A
• Fits 1992-1994 Volvo 960, N/A
• Fits 1990-1993 Volvo 240, N/A
• Fits 1985-1992 Volvo 740, N/A
• Fits 1989-1991 Volvo 780, N/A
• Fits 1985-1990 Volvo 760, N/A
• Fits 1985 Volvo 745, N/A