Walker 242-1087 Ignition Knock (Detonation) Sensor

Walker 242-1087 Ignition Knock Sensor

Walker Products 242-1087 is an ignition knock sensor built for accurate engine knock detection and OE-style fitment. It is a direct replacement for select Nissan Frontier and Nissan Sentra applications, with a rectangular female connector and blade terminals for a factory-style electrical connection.

Key Features

• Ignition knock (detonation) sensor for engine management systems
• Fits 2001-2004 Nissan Frontier and 2000-2002 Nissan Sentra
• Rectangular connector shape with 1 female connector
• 2 male blade terminals for direct electrical interface
• No wiring harness included
• No mounting hardware included
• Walker Products part number 242-1087

Product Details

Walker Products has supplied fuel system and engine sensor components since 1946, with manufacturing and engineering support focused on meeting or exceeding OEM standards. The 242-1087 knock sensor is part of the Walker Products engine management lineup and is built for vehicles that rely on precise detonation feedback to help the engine control system manage timing and combustion response. This part cross-references Standard Ignition KS205 for the same application.

Compatible With 2001-2004 Nissan Frontier and 2000-2002 Nissan Sentra, this sensor is a practical replacement when the original knock sensor has failed or is no longer sending a reliable signal. If you are sourcing a Walker knock sensor for Nissan Frontier or Nissan Sentra service work, part number 242-1087 provides the listed connector and terminal configuration needed for a factory-style repair.

Common Issues This Part May Resolve

• Check engine light related to knock sensor circuit faults
• Engine pinging or detonation under load
• Incorrect ignition timing response from the engine control system
• Rough running caused by a failing knock sensor signal
• Diagnostic trouble codes tied to knock sensor performance

Installation Notes and Tips

Verify connector shape, terminal count, and sensor location before installation. The unit uses a rectangular female connector with two male blade terminals and does not include a wiring harness or mounting hardware. Confirm the vehicle application against the listed fitment for 2001-2004 Nissan Frontier and 2000-2002 Nissan Sentra before replacing the original sensor.

Quality Assurance

Walker Products manufactures engine sensors and related components to meet or exceed OEM standards and specifications. The company is ISO 9001 and IATF 16949 certified, with product management and engineering support used to maintain application accuracy and technical documentation.