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Mk8 Fiesta Coolant Leak

Zayn2114
Zayn2114
in Ford Fiesta Club

Featured Replies

Hi All,

Mk8 67 plate ST LIne Fiesta has been losing coolant recently and noticed today there is a split in the pipe on the bend marked in blue below. I was wondering if anyone could give me a parts diagram or where I could find the part number to replace?

The leak is after the metal hose clamp and any help would be appreciated. Will try to take a better photo shortly

20260222_122647.jpg

  • Quote


    Hi, there are two options for this pipe. I think your car will have been built with the older version. But looking at the long part numbers, the post-2018 version should be backwards compatible and fit both types. So it's your choice which one to buy.

    Pre-2018 is 2256428. 2256428 Water Hose New genuine Ford part | eBay UK

    Post-2018 is 2521161. Genuine Ford Fiesta 1.0 EcoBoost Cooling System Hose 2017-On 2521161 | eBay UK

  • Quote
    • Author

    Thank you very much!! Will order and replace once it arrives. Doesn't look too difficult (famous last words).

  • Quote
    • Thanks 1
    • 2 weeks later...
    • Author

    Really sorry, annoyingly there is another leak on the hose underneath that one, showing as BA567 on this diagram. Does anyone know where I can get access to the full parts diagram with part numbers or the part number for this please?

    Apologies in advance!

    Screenshot_20260224_110611_eBay.jpg

  • Quote
    1 hour ago, Zayn2114 said:

    Really sorry, annoyingly there is another leak on the hose underneath that one, showing as BA567 on this diagram. Does anyone know where I can get access to the full parts diagram with part numbers or the part number for this please?

    Apologies in advance!

    Screenshot_20260224_110611_eBay.jpg

    https://partsouq.com/en/catalog/genuine/locate?c=FORD201911

    That's the website for Mk8 Fiesta catalogues. Doesn't work properly on my phone but I can check on laptop tomorrow if you haven't found the part number by then.

  • Quote
    • Author

    Thank you very much Tom. Leaks all fixed and car back on the road without leaking coolant everywhere!

  • Quote
    • Like 1
    • Thanks 1

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