Ford Nissan Mazda Lincoln Mercury Ignition Switch - 1AZIS00008

Frequently bought together

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

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 testing.

Parts cannot be returned after they have been installed. Contact us with any questions before installing the parts.

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 our limited lifetime warranty. In the event this item should fail due to manufacturing defects during intended use, we will replace the part free of charge.

  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

  • Star Drivers & Sockets

  • T30 Driver

5.00/ 5.0
2 reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
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
Solved the problem
We were having sporadic starting problems and this solved the problem. It arrived on schedule and works great.
August 12, 2017
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
will a falty ignition switch sonetimes not power uo the fuel pump?
Esten S December 14, 2018
There could be multiple reasons why youre having this particular problem. We suggest taking your vehicle to a nearby reputable shop to identify the cause. Once you know the cause, well be happy to see if we carry the parts and how-to videos needed for your repair.
Jessica D December 14, 2018
Does a new ignition switch require a anti theft (PATS) reset to the key or switch???
William M March 11, 2019
This does not require a PATS reset to the key or the switch.
Emma F March 11, 2019
No, replacement of the switch did not affect the key or PATS.
Grady M March 11, 2019
No, I just installed and she was good to go.
T R March 17, 2019
Year Make Model Description
1992-1997Ford Aerostar Ford Aerostar Ignition Switch
1992-1996Ford Bronco Ford Bronco Ignition Switch
1990-1991Ford Country Squire Ford Country Squire Ignition Switch
1990-1991Ford Crown Victoria Ford Crown Victoria Ignition Switch
1992-2004Ford Crown Victoria Ford Crown Victoria Ignition Switch
2000-2005Ford Excursion Ford Excursion Ignition Switch
1997-2002Ford Expedition Ford Expedition Ignition Switch
1998-2000Ford Explorer Ford Explorer Ignition Switch
2001-2004Ford Explorer Sport Trac Ford Explorer Sport Trac Ignition Switch
1992-2003Ford F150 Truck Ford F150 Truck Ignition Switch
1997-1999Ford F250 Light Duty Truck Ford F250 Light Duty Truck Ignition Switch
1999-2004Ford F250 Super Duty Truck Ford F250 Super Duty Truck Ignition Switch
1992-1997Ford F250 Truck Ford F250 Truck Ignition Switch
1999-2004Ford F350 Super Duty Truck Ford F350 Super Duty Truck Ignition Switch
1992-1997Ford F350 Truck Ford F350 Truck Ignition Switch
2004Ford Freestar Ford Freestar Ignition Switch
1994-2004Ford Mustang Ford Mustang Ignition Switch
1995-2004Ford Ranger Ford Ranger Ignition Switch
1990-2005Ford Taurus Ford Taurus Ignition Switch
1994-1997Ford Thunderbird Ford Thunderbird Ignition Switch
1995-2003Ford Windstar Ford Windstar Ignition Switch
2002Lincoln Blackwood Lincoln Blackwood Ignition Switch
1991-2002Lincoln Continental Lincoln Continental Ignition Switch
1993-1996Lincoln Mark VIII Lincoln Mark VIII Ignition Switch
1998-2001Lincoln Navigator Lincoln Navigator Ignition Switch
2002Lincoln Navigator Lincoln Navigator (Built Before 3/29/96 Production Date) Ignition Switch
1990-2004Lincoln Town Car Lincoln Town Car Ignition Switch
1995-2003Mazda B2300 Truck Mazda B2300 Truck Ignition Switch
1995-2003Mazda B2500 Truck Mazda B2500 Truck Ignition Switch
1995-2003Mazda B3000 Truck Mazda B3000 Truck Ignition Switch
1995-2003Mazda B4000 Truck Mazda B4000 Truck Ignition Switch
1994-1997Mercury Cougar Mercury Cougar Ignition Switch
1990-2004Mercury Grand Marquis Mercury Grand Marquis Ignition Switch
1998-2001Mercury Mountaineer Mercury Mountaineer Ignition Switch
1990-2005Mercury Sable Mercury Sable Ignition Switch
1993-1995Mercury Villager Mercury Villager Ignition Switch
1993-1995Nissan Quest Nissan Quest Ignition Switch
Part 1AZIS00008
In Stock

Order must be placed by 4pm ET
Delivery options for:

Estimated Arrival Cost

Deliveries made to PO Boxes and FPO may take longer. See our Shipping & Delivery for more information.