Walker 242-1095 Ignition Knock (Detonation) Sensor

Ignition Knock Sensor for Nissan Sentra and 200SX

Walker Products 242-1095 is an ignition knock (detonation) sensor built for direct-fit service on select Nissan applications. It uses a rectangular female connector with two male blade terminals and no wiring harness, matching the OE-style electrical layout for a clean replacement.

Compatible with 1995-1999 Nissan Sentra and 1995-1998 Nissan 200SX, this sensor supports accurate engine knock detection so the engine control system can respond to detonation events. Walker Products 242-1095 is a practical choice when you need a replacement knock sensor for Nissan Sentra or Nissan 200SX engine management service.

Key Features

• Ignition knock (detonation) sensor for emission control and engine management service
• Walker Products part number 242-1095
• Rectangular connector shape with 1 female connector
• 2 blade terminals with male terminal ends
• No mounting hardware included
• No wiring harness included
• OE-style fitment for select Nissan Sentra and Nissan 200SX models

Product Details

Walker Products has supplied fuel system and engine sensor components since 1946 and manufactures to meet or exceed OEM standards and specifications. The Walker Products line includes engine management parts such as oxygen sensors, throttle position sensors, cam and crankshaft sensors, fuel injectors, spark plug wires, and gaskets. As an ISO 9001/IATF16949 certified company, Walker focuses on controlled manufacturing, engineering support, and accurate application data. This part cross-references Beck/Arnley 158-1225 and Standard Ignition KS91 for the same application.

What It Helps Address

• Knock sensor fault codes
• Audible spark knock or detonation under load
• Reduced engine performance caused by incorrect knock feedback
• Check engine light related to knock sensor circuit issues
• Failed sensor connector or terminal wear during replacement service

Installation Notes and Tips

Verify connector shape, terminal count, and harness layout before installation. This sensor uses a female connector, male blade terminals, and no included wiring harness, so inspect the vehicle-side connector for corrosion or damage before fitting the replacement. Confirm application by year and model: Fits 1995-1999 Nissan Sentra, N/A; Fits 1995-1998 Nissan 200SX, N/A.

Quality Assurance

Walker Products manufactures engine sensors to meet or exceed OEM standards and specifications, with production supported by in-house engineering and product management. The company is ISO 9001/IATF16949 certified, reflecting controlled quality processes for automotive aftermarket parts.