Free Shipping On Orders Over $49. Details

Talk to a Mustang Expert
Mon - Sun, 8:30 AM EST - 11:00 PM EST
Win 1 of 2 $15,000 Mustang Builds! Enter To Win!

Ford Radiator Overflow Tank (01-04 4.6L)

Market Price $119.99 You Save 17% ($20.00)
Starting At


FREE Shipping
  • Item 383818
  • MPN# 3R3Z8A080AC

Local Install Shops

Quoted installation from $125

View 3 Shops

near 19355 (change)

Sorry, please enter a valid US or CA postal code
We're sorry, zip can't be updated at this time.
Ship to: ASHBURN - 20146
Sorry, please enter a valid US or CA postal code
We're sorry, zip can't be updated at this time.
    Create a list
    Add to New List

    Saved - View your saved items

    We're sorry. We couldn't save this product at this time.

    Features & Details

    • Replacement Radiator Overflow Tank
    • Perfect for Restorations or Accident Repair
    • Original Factory Equipment - OE Fit and Finish
    • Genuine Ford OEM Part - 3R3Z8A080AC
    • Reuse Factory Reservoir Cap
    • Fits 2001-2004 GT, Bullitt, Mach 1 And SVT Cobra Mustangs
    Maintenance Or Accident Repair. A split or leaky Coolant Reservoir Tank (better now as a Radiator Overflow Tank) could lead to a serious over heating issue if ignored, so replace it with a brand new genuine OEM Ford part for safety and peace of mind.

    Genuine Ford Part. Manufactured to the original factory specifications from OEM quality plastic material this genuine OEM Ford Radiator Overflow Tank is a perfect fit replacement that provides reliable maintenance-free operation. Reuse stock factory reservoir cap.

    Application. This Genuine Ford Radiator Overflow Tank is designed to be a direct fit replacement for all 2001-2004 V8 Mustangs equipped with either the SOHC or DOHC 4.6L engine, including the GT, Bullitt, Mach 1 and SVT Cobra models.

    Fitment: 2001 2002 2003 2004 Details

    What's in the Box
    • (1) Radiator Overflow Tank
    Installation Info
    Tech Specs
    Will it fit my Mustang?

    You Might Also Like

    Customer Photos (4) Submit Your Photo

    View All 4 Photos

    More Products You Might Like

    Q & A

    No questions about this product yet.

    Ask the First Question

    People Who Bought This Item Also Bought

    Customer Reviews (20) Write a Review

    Overall Rating 4.8

    out of 5 stars

    • 5/5

      April 21, 2018

      Radiator overflow tank

      Perfect fit, good quality, oem of course... Good price and Fast shipping!


      Year: 2004 Submodel: GT

      Helpful (1)

    • 5/5

      April 17, 2018


      Perfect fit! Exact replacement for my old cracked overflow tank.


      Year: 2002 Submodel: GT

      Helpful (1)

    • 5/5

      February 23, 2018

      Great OEM Replacement

      My original overflow tank had a crack in it after 14 years of use. I ordered this one from AM. It was a direct fit, completely identical to what came off of my GT.


      Year: 2004 Submodel: GT

      Helpful (1)

    • 5/5

      October 21, 2017

      Ford radiator overflow tank 01-04

      The tank was perfect. It fit right in,no problems. We replaced old ,worn out tank due to cracks. Car runs cooler. The 04 Mustang Cobras are hot.... Thanks American Muscle, you guys are the best!


      Year: 2004 Submodel: Cobra

      Helpful (2)

    • 5/5

      October 12, 2017


      Solve problem with my reservoir would recommend this


      Year: 2002 Submodel: GT

      Helpful (2)

    • 5/5

      September 18, 2017

      it used to be CLEAR?

      man, mine was nasty. I'm happy I purchased a new one, it's a perfect replacement and it will make my engine look a little cleaner.


      Year: 2003 Submodel: Mach 1

      Helpful (2)

    • 1/5

      August 18, 2017


      Coolant overflow tank began to leak in about a week or so had to purchase the mishimoto aluminum tank


      Year: 2002 Submodel: GT

      Helpful (2)

    • 5/5

      August 13, 2017

      Great product, no problems!

      I noticed a small hole in the top of my overflow tank which was causing a leak when I bought the car. I saw AM sold this for $100 and jumped to buy it, it was quick and easy to install. I still have no problems with it after 10k miles.


      Year: 2004 Submodel: GT

      Helpful (1)

    • 5/5

      July 10, 2017

      Overflow tank- awesome!

      So glad American Muscle carries parts like this and I didn't have to go to the dealer. The part was as described, great price and arrived quickly. Thanks American Muscle!


      Year: 2003 Submodel: GT

      Helpful (1)

    • 5/5

      July 08, 2017

      Perfect fitment

      I cannot be more happy it fits perfect, and it's from ford it's OEM


      Year: 2003 Submodel: GT

      Helpful (2)

    • 5/5

      April 20, 2017

      same as stock

      very good quality had to replace mine since the previous owner just added water and was full of rust and all


      Year: 2001 Submodel: GT

      Helpful (2)

    • 4/5

      October 13, 2016

      Fits Well

      A perfect replacement in every way. I only gave it four stars because it doesn't have the coolant level sensor. I looked high and low and could not find anyone who had one that did. It isn't all that important to have as easy enough to manually check, however the car has the wiring and dash light so l would have preferred it to operate. I don't know why a tank with the sensor can no longer be found? Otherwise this is a perfect replacement.


      Year: 2001 Submodel: Cobra

      Helpful (4)

    • 5/5

      October 04, 2016

      Just the right fit.

      Overflow tank came in with no damage, just the right fit as it would have been from the dealer. Very satisfied with the product.


      Year: 2003 Submodel: Cobra

      Helpful (3)

    • 5/5

      September 27, 2016

      Direct fit

      Had bought an overflow tank and radiator for stock replacement on my 02GT and this overflow tank fit perfectly no problems, great stock replacement, works well no leaks.


      Year: 2002 Submodel: GT

      Helpful (3)

    • 5/5

      September 15, 2016

      Ford radiator overflow tank

      Had a crack in my overflow tank ordered the part for American Muscle receive it the next day good shipping good timing good parts


      Year: 2003 Submodel: GT

      Helpful (3)

    • 5/5

      June 30, 2016

      Perfect item

      Loved it ! Would buy it over and over again! Easy to install and use right again


      Year: 2001 Submodel: Cobra

      Helpful (3)

    • 5/5

      April 11, 2016

      Great product

      My old overflow tank cracked I bought this one and it came in really quick. Had it installed In less then 15 mins it was a perfect match.


      Year: 2003 Submodel: Mach 1

      Helpful (3)

    • 5/5

      September 27, 2015

      Simple and straighforward

      Replaced leaking coolant reservoir tank with new one from American Muscle. Exact replacement fit made it easy. No leaks now!


      Year: 2004 Submodel: GT Glendale, Az

      Helpful (3)

    • 5/5

      September 21, 2015

      over flow tank

      oem product fits perfect!!!!!! shipping was fast and easy!!!! well be ordering more products from american muscle in the furture.....


      Year: 2001 Submodel: GT bolivia nc.

      Helpful (2)

    • 5/5

      May 29, 2015


      This product is perfect fits great just like the original one.


      Year: 2003 Submodel: Cobra San Jose, CA

      Helpful (2)

    Related Mustang Categories