This ignition switch is a new, aftermarket replacement. It mounts on the steering column and is activated when the key is turned to the start position.


  • Column mount
  • Replaces dealer part numbers: F4DZ-11572-B, F4DZ11572B
  • Exact fit
  • No cutting or splicing necessary
  • Built to strict quality control standards
  • Connection Type:
    • (1) Plug - 14 Terminals



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.

  1. step : Accessing the Ignition Switch (0:55)
    • Use an adjustable wrench to loosen the nut on the battery cable.
    • Disconnect the negative battery cable.
    • Remove the four 7mm bolts that secure the panel under the driver side dash (two are under the hood latch).
    • Pull down and back to release the panel.
    • Using an 8mm socket remove the six bolts where the panel previously was.
  2. step : Removing the Ignition Switch (2:27)
    • Use a 7mm socket to unbolt the connection.
    • Remove the gray cover.
    • Remove the nut.
    • Use a T30 torx driver to unsecure the switch.
  3. step : Installing a New Ignition Switch (3:41)
    • With the connector facing the drivers door push the switch back into place and tighten the T30 screws back into place.
    • Plug the switch back in and reinsert the 7mm bolt back into place.
    • Replace the grey protector.
    • Replace the plate and six 8mm bolts.
    • Replace the panel and the the four 7mm bolts.
    • Reconnect the battery.

Tools needed for replacement:

    Pliers, Cutters & misc Wrenches

  • Adjustable Wrench

  • Ratchets & Related

  • Socket Extensions
  • Ratchet

  • Sockets - Metric

  • 8mm Socket
  • 7mm Socket

  • Torx Drivers & Sockets

  • T30 Torx Driver

5.0 / 5.0
2 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Solved the problem
We were having sporadic starting problems and this solved the problem. It arrived on schedule and works great.
August 12, 2017
over 3 years ago
Part arrived on time
Part fits my auto (is identical dimensions & electric functions) and installed as video instructed. My problem with low voltage to the fuel pump was cured. (Original equipment part was 17 years old)
March 4, 2017
1 year ago
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Vehicle Fit

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  • 1994-1997 Mercury Cougar Ignition Switch
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  • 1998-2001 Mercury Mountaineer Ignition Switch
  • 1990-2005 Mercury Sable Ignition Switch
  • 1993-1995 Mercury Villager Ignition Switch
  • 1993-1995 Nissan Quest Ignition Switch

This part replaces:

  • OE # F4DZ11572B
  • Standard Motor Products US-216
Part #: 1AZIS00008

How-to Video:

(06:29 min)