This radiator cooling fan relay is a new, aftermarket replacement part. It is a direct replacement for a damaged or malfunctioning relay. After years of hot and cold cycles, these relays tend to start malfunctioning causing the fans to be inoperative.


  • Radiator Cooling Fan Relay
  • Replaces dealer part number: 6W1Z-8B658-AC, 6W1Z8B658AC
  • 100% factory tested
  • Direct replacement
  • Built to strict quality control standards

This radiator cooling fan relay makes a great replacement and has good cost savings over a dealer unit.

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.

5.0 / 5.0
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Perfect Match
I bought one of these elsewhere installed and fan did not run. I thought i would have to replace the computer. As these are virtually impossible to test for average do it yourselfer i decided to reorder from 1A Auto. I received the part , installed and everything works perfectly.
June 7, 2018
1 month ago
Quick Fix for Mercury
Exactly what i needed for my 2009 Mercury Grand Marquis. Price on this site was less than 1/3 of what retail auto stores were asking in my area. I'm satisfied.
March 14, 2018
3 months ago
Perfect fit
Works like a champ and litterally 100 dollars cheaper than in a parts store e
July 10, 2017
11 months ago
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Browse 1 question Browse 1 question and 7 answers
Dose it come with wire connectors?
Franklin W on May 2, 2018
BEST ANSWER: Hello! This comes exactly as shown in the images provided.

Vehicle Fit

  • 2006-2011 Ford Crown Victoria Radiator Cooling Fan Relay
  • 2006-2011 Lincoln Town Car Radiator Cooling Fan Relay
  • 2006-2011 Mercury Grand Marquis Radiator Cooling Fan Relay

This part replaces:

  • OE # 6W1Z8B658AC
  • Dorman 902-209
Part #: 1AZMX00101

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