Engine Crank Crankshaft Position Sensor Compatible with Nissan I30 Maxima Pathfinder Qx4 V6 3.0L 3.3L 3.5L 1995 1996 1997 1998 1999 2000 2001 2002 2003 Replaces 1800261

[Replaces Part Number:] PC89 5S1787 #2373131U10 2373131U11 SU4315 Please Check the OEM Part Number and Make Sure Your Part Number Matches this Part Number Before Buying!. Buyers Guide (Reference Year/Make/Model search for proper fitment): Compatible with INFINITI-I30, QX4 (03-99). Buyers Guide (Reference Year/Make/Model search for proper fitment): Compatible with NISSAN-MAXIMA, PATHFINDER (02-95). Integrated A/D converter and digital signal processing with a dynamically adaptive switch point improves accuracy and operation.Custom magnetic circuit programming calibrates the sensor during performance testing, which improves timing accuracy between target wheel and sensor output.. Located in the Engine Oil Pump system, the Crank Position Sensor is a critical Engine-Fuel part. It plays a crucial role by monitoring the speed and position of the engine crankshaft. This information is sent to the engine control unit (ECU), which adjusts the fuel injection and ignition timing accordingly. If the Crank Position Sensor becomes aged, broken, or clogged, it could result in poor engine performance, reduced fuel efficiency, or even lead to engine failure.