Walker 242-1109 Ignition Knock (Detonation) Sensor

Walker 242-1109 Knock Sensor for Acura RSX

Walker Products 242-1109 is an ignition knock sensor built for precise engine monitoring in select Acura RSX applications. It uses a square connector, female connector gender, male blade terminal, and a single-terminal design to match the original-style electrical connection.

Compatible With 2002-2006 Acura RSX, this Walker knock sensor supports accurate detonation detection for vehicles that need reliable engine feedback and consistent sensor signal performance. Walker Products backs its engine sensor line with manufacturing and engineering support focused on OEM-level specifications.

Key Features

• Part number: 242-1109
• Ignition knock (detonation) sensor for engine management systems
• Square connector with 1 connector and 1 terminal
• Female connector gender and male blade terminal
• No mounting hardware included
• No wiring harness included
• Length: 42.4200
• Fits 2002-2006 Acura RSX

Product Details

Walker Products 242-1109 is an emission control sensor used to monitor engine knock and help the engine control system respond to detonation events. For Acura RSX owners searching for a knock sensor replacement, this part number 242-1109 provides the correct connector style and terminal layout for the listed application. Walker Products has supplied fuel system and engine sensor components since 1946 and manufactures parts to meet or exceed OEM standards and specifications.

This part cross-references Beck/Arnley 158-1064 and Standard Ignition KS231 for the same application.

Common Symptoms It May Address

• Knock sensor fault codes
• Engine pinging or detonation-related drivability issues
• Reduced engine performance from incorrect knock signal input
• Check engine light related to the knock sensor circuit
• Intermittent sensor signal or connector-related failures

Installation Notes

Verify connector shape, terminal type, and vehicle application before installation. This sensor uses a square female connector with a male blade terminal and does not include a wiring harness or mounting hardware. Confirm the replacement matches the original electrical connection on the Acura RSX before clearing codes and testing system operation.

Quality Assurance

Walker Products is an ISO 9001 and IATF 16949 certified manufacturer with in-house product management and engineering support. The brand supplies engine sensors and fuel system components for the automotive aftermarket with a focus on OEM-level specifications and application accuracy.