Genuine 23731-BV85A Nissan OEM Crankshaft Position Sensor

The Genuine Nissan 23731-BV85A Crankshaft Position Sensor (also referred to as a Crank Position Sensor or CKP Sensor) is a direct-fit OEM replacement part manufactured to Nissan's original factory specifications. This sensor monitors crankshaft speed and position, providing critical data to the engine control module (ECM) to manage ignition timing and fuel injection for optimal engine performance.

Key Features:

• Genuine OEM Nissan part — manufactured to exact factory specifications
• Direct replacement for the original crankshaft position sensor
• Ensures accurate crankshaft speed and position signals to the ECM
• Supports correct ignition timing and fuel delivery
• Backed by Nissan's factory warranty

Installation Notes:

• Sensor mounts on the right side of the cylinder block near the transaxle end of the engine
• A heat shield may be present — remove the heat shield and its attaching bolt before accessing the sensor
• Disconnect the electrical connector, remove the retaining bolt, and pull the sensor from the engine block
• Important: This part includes a related O-ring component that cannot be reinstalled once removed — inspect the O-ring for cracks or tears and replace if necessary before installing the new sensor

Part Information:

• OEM Part Number: 23731-BV85A
• Also Known As: Crankshaft Sensor, Crank Position Sensor, CKP Sensor
• Condition: New
• Sold as: Single unit