Global Parts 1812390 Engine Crankshaft Position Sensor

Engine Crankshaft Position Sensor for Nissan and Infiniti

Global Parts 1812390 is an engine crankshaft position sensor built to send accurate engine speed and position data to the ECM. This direct replacement sensor is made to OE specifications and supports proper fuel delivery, ignition timing, exhaust control, and cooling system operation.

Compatible With select Nissan and INFINITI applications, including Nissan Altima, Maxima, Murano, Pathfinder, and 350Z, plus INFINITI G35, FX35, M35, and I35 models. If you are replacing a failing crankshaft position sensor on a Nissan Maxima or INFINITI G35, part number 1812390 is a direct-fit option for the listed vehicles.

Key Features

• Engine crankshaft position sensor for accurate ECM input
• Direct replacement design for OE-style fit and function
• Built to meet OE specifications
• 3-terminal blade connection with rectangular female connector
• Male terminal design for secure electrical contact
• Cross-references Standard Ignition PC499 for the same application
• Part number: 1812390

Detailed Description

Global Parts engine management sensors are engineered to deliver precise signal data to the vehicle computer. This crankshaft position sensor helps the ECM monitor crankshaft position and engine speed so the system can manage ignition timing and fuel control correctly. The rectangular 3-terminal connector and blade-style terminals support a direct replacement installation on the listed Nissan and INFINITI models. Part number 1812390 is a practical replacement choice when the original sensor has become unreliable or has failed.

What This Sensor Helps Address

• Hard starting or extended crank time
• Intermittent stalling or sudden engine shutdown
• Check engine light related to crankshaft position signal faults
• Rough running caused by incorrect engine timing input
• Misfire or drivability issues tied to inconsistent ECM sensor data

Installation Notes and Tips

• Verify connector shape, terminal count, and sensor location before installation.
• Confirm vehicle fitment by year, make, model, and engine application where noted.
• Inspect the harness connector for corrosion, bent terminals, or damaged locking tabs.
• Clear diagnostic trouble codes after installation and confirm proper engine operation.
• For fitment-specific applications, this sensor fits 2002-2006 Nissan Altima, 2002-2004 Nissan Maxima, 2003-2007 Nissan Murano, 2003-2004 Nissan Pathfinder, 2003-2006 Nissan 350Z, 2003-2006 INFINITI G35, 2003-2008 INFINITI FX35, 2002-2004 INFINITI I35, 2006-2008 INFINITI M35, and 2007 INFINITI G35 with engine code VQ35DE.

Quality Assurance

Global Parts engine management sensors are produced as OE-spec replacement components for accurate signal delivery to the ECM. Part number 1812390 is designed for the listed Nissan and INFINITI applications and cross-references Standard Ignition PC499.