Prenco 4D-1204 Engine Crankshaft Position Sensor

Brand Prenco 4D-1204
Connector Gender Female
Connector Quantity 1
Connector Shape Oblong
Mounting Bracket Included No
Sensor Body Diameter 0.85
Terminal Gender Male
Terminal Quantity 3
Terminal Type Blade
Fits Nissan · 13 vehicles

Crankshaft position sensor. Monitors crankshaft position for precise engine timing control.

Blade terminals. Features a 3-terminal blade connection with one female connector.

Compact sensor body. Slim 0.85 diameter body fits neatly in tight spaces.

Cross-references Standard Ignition PC689, 23731-8Y00A and 23731-8Y001 for the same application. See all 6.

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Crankshaft Position Sensor for Nissan Applications

Prenco 4D-1204 is an engine crankshaft position sensor built for direct-fit replacement on select Nissan vehicles. It uses a 3-terminal blade connection with a female oblong connector and a compact 0.85-inch sensor body diameter for a clean OE-style fit.

Compatible With 2003-2006 Nissan Maxima, 2004-2006 Nissan Altima, and 2004-2009 Nissan Quest. The Prenco 4D-1204 is a practical choice when you need accurate crankshaft signal input for engine management on these Nissan applications.

Key Features

  • Engine crankshaft position sensor for ignition and engine timing input
  • Prenco 4D-1204 part number for easy identification
  • 3-terminal blade design with 1 connector
  • Oblong female connector for OE-style electrical connection
  • Male terminals for secure sensor-to-harness contact
  • Compact 0.85-inch sensor body diameter
  • No mounting bracket included

Detailed Description

This crankshaft position sensor monitors crankshaft position and sends the signal needed by the engine control system to manage ignition timing and fuel delivery. Prenco 4D-1204 is specified for 2003-2006 Nissan Maxima, 2004-2006 Nissan Altima, and 2004-2009 Nissan Quest, making it a focused replacement for common Nissan crank sensor service needs. This part cross-references Standard Ignition PC689 for the same application.

Common Issues This Part Can Address

  • Crankshaft position sensor fault codes
  • Hard starting or extended cranking
  • Intermittent stalling or engine cut-out
  • Rough running caused by an unstable crank signal
  • Check engine light related to crankshaft position input

Installation Notes and Tips

Verify connector shape, terminal count, and sensor body diameter before installation. Confirm the vehicle application against the listed fitment for 2003-2006 Nissan Maxima, 2004-2006 Nissan Altima, or 2004-2009 Nissan Quest. Inspect the harness connector for corrosion or damaged terminals before connecting the new sensor. Because no mounting bracket is included, reuse the existing mounting arrangement if applicable.

Quality Assurance

Prenco replacement sensors are cataloged for direct application matching and OE-style fitment. Use the part number 4D-1204 to confirm the correct crankshaft position sensor for your Nissan Altima, Nissan Maxima, or Nissan Quest application.

This part fits 13 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelTransmissionPositionNotes
2009NissanQuest—N/A—
2008NissanQuest—N/A—
2007NissanQuest—N/A—
2006NissanAltimaAutomaticN/A—
2006NissanMaximaAutomaticN/A—
2006NissanQuest—N/A—
2005NissanAltimaAutomaticN/A—
2005NissanMaximaAutomaticN/A—
2005NissanQuest—N/A—
2004NissanAltimaAutomaticN/A—
2004NissanMaxima—N/A—
2004NissanQuest—N/A—
2003NissanMaximaAutomaticN/A—
Directly replaces or cross-references 6 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Standard Ignition — PC68923731-8Y00A23731-8Y00123731-8Y005CSS1689SU6873