Walker 242-1107 Ignition Knock (Detonation) Sensor

Walker 242-1107 Ignition Knock Sensor

Walker Products 242-1107 is an ignition knock sensor for select Toyota and Lexus applications. It is built to meet or exceed OEM standards and specifications, with application data and technical support backed by Walker’s in-house engineering and product management teams.

Compatible With select 1995-2005 Toyota and Lexus models, this sensor supports accurate engine knock detection for vehicles such as the Toyota Tundra, Toyota Sequoia, Toyota Land Cruiser, Lexus LX470, and Lexus GX470. The Walker Products line focuses on engine management components for repair and replacement work where OE-style fit and signal performance matter.

Key Features

• Part number: 242-1107
• Ignition knock (detonation) sensor for engine management service
• 1 female square connector
• 1 male blade terminal
• No wiring harness included
• No mounting hardware included
• Built by Walker Products, an ISO 9001/IATF16949 certified manufacturer

Detailed Description

This Walker knock sensor is designed for direct replacement in applications that require precise detection of engine detonation. Accurate knock sensor input helps the engine control system adjust timing based on combustion conditions, which is important for drivability and engine protection. Walker Products has supplied fuel system and engine sensor components since 1946, and the 242-1107 reflects that focus on OE-level manufacturing and application accuracy.

This part cross-references Beck/Arnley 158-1094 for the same application. It is also referenced by Standard Ignition KS186 for select applications.

What It Helps Solve

• Knock sensor fault codes
• Audible pinging or detonation under load
• Reduced engine performance from incorrect timing control
• Check engine light related to knock sensor circuit issues
• Intermittent sensor signal problems on aging Toyota and Lexus engines

Installation Notes and Tips

• Verify connector shape, terminal style, and harness routing before installation.
• Inspect the sensor mounting surface and related wiring for corrosion or damage.
• Use the vehicle-specific fitment data to confirm application by year and model.
• Fits 2001-2005 Lexus LX470
• Fits 2001-2005 Toyota Land Cruiser
• Fits 2003-2004 Lexus GX470
• Fits 2001-2004 Toyota Sequoia
• Fits 2001-2004 Toyota Tundra
• Fits 2003 Toyota 4Runner
• Fits 2001 Toyota Prius
• Fits 2000 Lexus LX470, from April 2000
• Fits 2000 Toyota Land Cruiser, from April 2000
• Fits 1995-1997 Toyota Celica
• Fits 1995-1997 Toyota Corolla

Quality Assurance

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