Hitachi KNS0003 Ignition Knock (Detonation) Sensor

Hitachi Knock Sensor for Nissan Applications

The Hitachi KNS0003 is an ignition knock sensor for select Nissan vehicles, built to monitor engine detonation and send the signal needed for proper ignition control. It is an Actual OE-grade replacement with a 2-terminal male blade connector design for direct-fit service on listed applications.

Key Features

• Ignition knock (detonation) sensor for emission control and engine management systems
• Actual OE-grade replacement for factory-style fit and function
• 2-terminal male blade connector design
• Direct replacement for part number KNS0003
• Cross-references Hitachi 22060-7B000 for the same application

Detailed Description

Use the Hitachi KNS0003 when servicing knock sensor faults on Nissan Frontier, Xterra, Quest, and Pathfinder models listed below. This sensor helps the engine control system detect abnormal combustion so timing adjustments can be made accurately. For buyers searching for a Nissan Frontier knock sensor, Nissan Xterra knock sensor, or a replacement knock sensor for Nissan Quest and Pathfinder, this OE-style part provides the correct connector style and terminal layout for the specified vehicles.

Fits 1999-2004 Nissan Frontier, N/A. Fits 2000-2004 Nissan Xterra, N/A. Fits 1999-2002 Nissan Quest, N/A. Fits 2000 Nissan Pathfinder, N/A, from 05/2000.

What It Is Used For

• Replacing a failed knock sensor that triggers engine management trouble codes
• Restoring accurate detonation detection for ignition timing control
• Addressing rough running caused by incorrect knock sensor input
• Correcting drivability issues related to sensor signal loss or connector wear
• Servicing OE-style Nissan emission control sensor applications

Installation Notes and Tips

Verify connector style, terminal count, and model-year coverage before installation. This part uses a male connector with blade terminals and is listed for N/A position applications. Confirm the vehicle build date for the 2000 Nissan Pathfinder, which applies from 05/2000.

Quality Assurance

Hitachi supplies OE-grade automotive components, and this sensor is listed as Actual OE for the covered Nissan applications. Use the part number KNS0003 and the vehicle fitment details above to confirm the correct replacement before service.