Warranty & Shipping
How-To & Tools
Product Reviews
Vehicle Fit

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
  • 2-pin connector
  • Direct replacement
  • 100% factory tested
  • Fits models with V6 4.0L Engine only

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. Please ensure proper diagnosis of this item before purchasing as the item cannot be returned once installed or plugged in.

Item Condition: New

Attention California Customers:

WARNING:  This product can expose you to chemicals including Lead and Lead Compounds, which are known to the State of California to cause cancer, and birth defects or other reproductive harm.  For more information, go to

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.

  1. step : Removing the Crankshaft Position Sensor (0:53)
    • Remove the two 8mm bolts from the crankshaft position sensor
    • Pull the sensor forward
    • Compress the wiring harness safety ring
    • Disconnect the sensor wiring harness
    • Pull out the sensor
  2. step : Installing the Crankshaft Sensor (3:22)
    • Put the crankshaft position sensor into place
    • Insert the two 8mm bolts for the sensor
    • Connect the wiring harness
    • Snap on the safety ring

Tools needed for replacement:

    Ratchets & Related

  • 1/4 Inch Ratchet
  • Ratchet
  • Socket Extensions

  • Sockets - Metric

  • 8mm Socket

There are no reviews for this item.
Will this fit my car? Add a vehicle to make sure
Customer Q&A
Ask a question to 1A Auto customers who purchased the product
No questions have been asked about this item.
Year Make Model Description
1997-2010Ford Explorer Ford Explorer Crankshaft Position Sensor V6 4.0L
2001-2010Ford Explorer Sport Trac Ford Explorer Sport Trac Crankshaft Position Sensor V6 4.0L
2005-2010Ford Mustang Ford Mustang Crankshaft Position Sensor V6 4.0L
1998-2011Ford Ranger Ford Ranger Crankshaft Position Sensor V6 4.0L
2001-2009Mazda B4000 Truck Mazda B4000 Truck Crankshaft Position Sensor
1998-2010Mercury Mountaineer Mercury Mountaineer Crankshaft Position Sensor V6 4.0L
Part #: 1AECS00071

Order must be placed by 4pm ET

Get it in: 2 - 4 Business Days

Want it sooner? Choose Next Day Air at Checkout

How-to Video:

(04:07 min)