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Coolant Hose Upgrade Kit [Mk3 Focus ST]

mountune's high performance silicone hose range, exclusively manufactured to our specifications by SamcoSport, caters to owners who demand simply the best high performance silicone hose upgrade available.

The mountune coolant hose upgrade kit for the mk3 Focus ST consists of two high performance 3-ply silicone hoses manufactured to ensure flawless performance in extreme conditions. This kit is an exact replacement for the OE hoses.

All of our silicone hose range also benefits from the SamcoSport lifetime warranty, for added peace of mind.


  • High performance replacement silicone hoses
  • Lifetime warranty
  • Easy installation
  • Hoses available in colour options: mountune black and yellow
  • Advised to fit with optional Hose Clip Kit (Coolant)
Customer Reviews
5.0 Based on 6 Reviews
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United Kingdom United Kingdom
Coolant Hose Upgrade Kit

Very fast dispatch from the Mountune team, arrived within two days of placing the order. Box had been damaged and repaired by DPD with no missing items luckily. The coolant hose is a great addition to the MR300 intake and boost pipework(once back in stock).

United Kingdom United Kingdom
St250 upgrade hose kit

Brilliant as normal from you and more to get for my car so look forward to getting in touch again soon

Charles T.
United Kingdom United Kingdom
Coolant hose upgrade kit

The garage that I took them to said that they found them reasonably easy to fit. They are good quality and well made. The delivery was very quick.