Walker 242-1078 Ignition Knock (Detonation) Sensor

Walker 242-1078 Knock Sensor Overview

Walker Products 242-1078 is an ignition knock sensor for select Volkswagen and Audi applications that require a 760mm green harness configuration. It is built to meet or exceed OEM standards and specifications, with application-specific fitment details that matter when replacing a knock sensor on a Volkswagen Beetle, Jetta, Golf, Passat, Bora, or Audi TT RS Quattro.

Walker Products has supplied engine management and fuel system components since 1946, and the Walker Products line is backed by in-house manufacturing, engineering, and product management support. The 242-1078 part number is listed for vehicles that use a female connector, 3 terminals, and an oblong connector shape.

Key Features

• Ignition knock (detonation) sensor for engine timing and knock detection
• Walker Products 242-1078 application-specific replacement
• 760mm green harness configuration for listed vehicles
• Female connector with 3 blade terminals
• Oblong connector shape with wiring harness included
• Built to OEM-level standards and specifications
• Cross-reference example: Standard Ignition KS315

Product Details

This Walker knock sensor is used on select 2005-2014 Volkswagen and Audi vehicles, including 2010-2014 Volkswagen Golf, 2005-2013 Volkswagen Jetta, 2012-2013 Audi TT RS Quattro, and specific 2013-2014 Volkswagen Passat and Beetle applications. The 242-1078 part number is also listed for 2005 Volkswagen Bora and multiple 2014 Volkswagen Beetle and Jetta build-date-specific configurations. If you are replacing a knock sensor on a Volkswagen Jetta, Volkswagen Beetle, or Volkswagen Golf, confirm the harness length and connector style against the vehicle notes before ordering.

Common Problems This Part Can Address

• Knock sensor fault codes
• Audible spark knock or detonation under load
• Reduced engine performance from incorrect ignition timing control
• Check engine light related to knock sensor circuit faults
• Harness or connector mismatch on listed Volkswagen and Audi applications

Installation Notes

Verify the connector style, harness length, and build-date notes before installation. This part uses a female connector, 3 male blade terminals, and includes a wiring harness. Mounting hardware is not included. For best results, inspect the sensor mounting surface and related wiring for damage before installing the replacement.

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 engineering and technical support behind the Walker Products 242-1078 knock sensor line.