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Ford 4R3Z-8A080-AA Expansion Tank

2005-2010 Ford Mustang 4R3Z8A080AA

Customer Questions & Expert Answers (2)
4R3Z-8A080-AA Ford Expansion Tank Product Photo 1 of 1
  • Part Description
    Tank Assembly - Radiator Overflow
  • Base No.
    8A080
  • Manufacturer
    Ford
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  • Related Parts
  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Ford
    Base No.8A080
    Manufacturer Part Number4R3Z-8A080-AA, 4R3Z8A080AA
    Part DescriptionExpansion Tank; Tank Assembly - Radiator Overflow
    Item Dimensions11.3 x 10.2 x 10.2 inches
    Item Weight5.40 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerFord
    SKU4R3Z-8A080-AA
    WarrantyThis genuine Ford part is guaranteed by Ford's factory warranty.
    Shipping & ReturnShipping Policy Return Policy
    Warning: California's Proposition 65
  • Vehicle Fitment

    Year Make Model Engine Important vehicle option details
    2005-2010 Ford Mustang6 Cyl 4.0L SOHC EFI, 8 Cyl 4.6L SOHC EFI, 8 Cyl 5.4L DOHC EFI S/C ALUM, 8 Cyl 5.8L DOHC SC5-Speed Automatic Transmission 5R55S, 5-Speed Manual Transmission T5OD, 5-Speed Manual Transmission TR3650, 6-Speed Manual Transmission (T56), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
  • Customer Questions & Expert Answers

    Q:
    Is this the correct part for the attached VIN?
    A:
    You can Select Your Vehicle to check if 4R3Z-8A080-AA fits your vehicle.
    Posted and answered by Ford Parts Specialist Matthew
    Q:
    How to remove and clean the Coolant Reservoir in a cooling system on Ford Mustang? Posted by Leonora R.
    A:
    First of all, the cooling system should be drained. Then, you can disconnect the coolant reservoir's upper and lower hoses, together with the coolant reservoir bolts on both sides and the upper hose. To prevent leakage, plug the hoses. By using soapy water and a brush, clean out any deposits inside the tank. Carefully examine the reservoir for cracks. If it has a crack on it, change it. The installation is in reversed order of removal.
    You can Select Your Vehicle to see complete installation and repair tips.
    Answered by Ford Parts Specialist Clayton / Nov 04, 2025

Genuine Ford Part 4R3Z-8A080-AA, the Right Choice

To ensure reliability, purchase part # 4R3Z-8A080-AA Expansion Tank. It is also called Coolant Reservoir. OEM parts are of high quality and known for their longevity. This is because they are built to the Ford standards which are relatively high and undergo rigorous quality control testing. This part fits specific Ford Mustang models.

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