A bad or malfunctioning crankshaft sensor will often cause a service engine light error code, and or cause a no start condition, or rough running due to inaccurate ignition and fuel timing.


  • Brand New Crankshaft Position Sensor
  • Built to strict quality control standards
  • 3-pin connector
  • Direct replacement
  • 100% factory tested

This is an electrical part and is tested before it leaves our warehouse.

Our electrical and electronic parts are subject to strict quality control testing.  Once the item has been installed or plugged in, it is no longer eligible for a refund.  The item may be eligible for replacement, only if it is found to have a manufacturing defect. Before purchasing, please ensure proper diagnosis of the failed original part is performed

Lifetime Warranty

This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser. Please keep your invoice for proof of this warranty.

  1. step : Removing the Crank Position Sensor (0:20)
    • Disconnect the connector
    • Remove the 10mm bolt from the sensor
    • Remove the crank position sensor
  2. step : Installing the Crank Position Sensor (3:07)
    • Insert the crank position sensor into the mounting hole
    • Tighten the 10mm bolt
    • Connect the connector

Tools needed for replacement:

    Materials, Fluids, and Supplies

  • Rust Penetrant

  • Pliers, Cutters & misc Wrenches

  • Needle nose pliers

  • Ratchets & Related

  • Socket Extensions
  • Ratchet

  • Sockets - Metric

  • 10mm Socket

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Vehicle Fit

  • 2007-2012 Acura RDX Crankshaft Position Sensor
  • 2004-2008 Acura TSX Crankshaft Position Sensor
  • 2003-2007 Honda Accord Crankshaft Position Sensor L4 2.4L
  • 2006-2011 Honda Civic Crankshaft Position Sensor
  • 2003-2011 Honda Element Crankshaft Position Sensor
  • 2007-2008 Honda FIT Crankshaft Position Sensor

This part replaces:

  • OE # 37500RAAA01
  • Standard Motor Products PC478
  • Wells SU6679
Part #: 1AECS00077

Ships Same Day for orders placed by 4 P.M. ET

How-to Video:

(04:10 min)