If your vehicle is leaking coolant around the thermostat, or your thermostat housing cooling outlet is broken or cracked, this could be your solution.

Kit Specifications:

  • Direct replacement
  • Replaces dealer part numbers: YU3Z 8A586 AA, YU3Z8A586AA
  • Kit contains:
    • (1) Thermostat housing / Cooling Outlet
    • (1) O-Ring
    • (1) Thermostat
    • (1) Thermostat outlet or neck
  • Built to strict quality control standards
  • Plastic construction
  • Fits the following Ford engines as listed per application:
    • V6 4.0L
  • Electrical sensors are not included. Buyer will need to reuse original sensors.
    • Correct only for models with screw in coolant sensor

Over time from thermal expansion and contraction the mating surfaces on the housing can warp or crack. If you are experiencing any of these issues replace your thermostat housing/ cooling outlet with our direct replacement part.

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
1 Review
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Housing
Worked well. the old one was cracked. Car is running great Thank you
August 25, 2017
Purchased
6 months ago
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Vehicle Fit

  • 1997-1999 Ford Explorer Thermostat Housing (Built Before 7/24/00 Production Date) V6 4.0L
  • 1997-1999 Mercury Mountaineer Thermostat Housing (Built Before 7/24/00 Production Date) V6 4.0L
Part #: 1AEMX00045

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

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