This blower motor resistor is just what you need to bring your heating and A/C blower system back to good working order! On most vehicles it is mounted to the HVAC unit inside the passenger compartment.


  • Brand New Heater Blower Motor Resistor
  • 5 terminal
  • Replaces dealer part numbers: 4S4Z-19A706-AA, F1CZ-19A706-A, F7CZ-19A706-AA, 4S4Z19A706AA, F1CZ19A706A, F7CZ19A706AA
  • Direct replacement
  • Built to strict quality control standards
  • 100% tested prior to leaving the factory

If you are experiencing intermittent stopping during use or the fan only works in one position this may be your solution!

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

Left Hand Drive Note:

“All of our auto parts are intended for Left Hand Drive USDM vehicles and might not have been tested on Right Hand Drive platforms. If your vehicle is Right Hand Drive, please do your research prior to making a purchase to ensure the part is correct for your specific vehicle.”

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 Blower Motor Resistor (0:44)
    • Remove the two 8mm bolts from the blower motor resistor
    • Pull down the resistor
    • Disconnect the two resistor wiring harnesses
  2. step : Installing the Blower Motor Resistor (1:26)
    • Put the resistor into place with the small electrical connector on the driver side
    • Insert the two 8mm bolts into the resistor
    • Connect the two resistor wiring harnesses

Tools needed for replacement:

    Ratchets & Related

  • Ratchet

  • Sockets - Metric

  • 8mm Socket

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Vehicle Fit

  • 1991-2002 Ford Escort Blower Motor Resistor
  • 2003 Ford ZX2 Blower Motor Resistor
  • 1991-1999 Mercury Tracer Blower Motor Resistor

This part replaces:

  • OE # 4S4Z19A706AA
  • Standard Motor Products RU-446
  • Dorman 973-014
Only 3 left in stock
Part #: 1AHBR00084

How-to Video:

(02:29 min)