Mishimoto
Mishimoto Ford Focus ST 2013+/ Focus RS 2016+ Aluminum Expansion Tank
Mishimoto Ford Focus ST 2013+/ Focus RS 2016+ Aluminum Expansion Tank
Part number: 1D1UZ
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- Ships direct from the brand or supplier
- Tracking emailed when it ships
- Free fitment check before you order
Listed for: Ford Focus STFitment notes & questions
Ford Focus ST 2013+/ Focus RS 2016+ Aluminum Expansion Tank by Mishimoto for 2013 Ford Focus ST. Cooling parts keep the engine at a steady temperature by moving heat out through the radiator.
Quick facts
- Brand: Mishimoto
- Part type: Cooling part
- Listed for: 2013 Ford Focus ST
Listed fitment
- with stock overflow tank cap
- Purchase Includes (1) Aluminum Expansion Tank w/ Sight Tube
- 2013+ Ford Focus ST
- 2016+ Ford Focus RS
- Engine Codes 2.0L EcoBoost
- Material 6061 Aluminum
- Note After a few hot and cold cycles, Mishimoto recommends checking the sight tube on the side of the expansion tank to confirm proper coolant level.
- Baffled True
- 2013 - 2014 Ford Escape S Plus, SE Plus
- 2013 - 2016 Ford Escape S, SE, Titanium
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- 2015 - 2016 Ford Escape Trend
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- 2016 - 2018 Ford Focus RS
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- 2017 - 2018 Ford Focus SEL
- 2013 - 2015 Ford Focus Titanium Plus
- 2013 - 2018 Ford Focus Titanium, SE, S, Electric, ST
- 2014 - 2021 Ford Transit Connect XL, Titanium, XLT
Good to know
- Warranty terms: Mishimoto Lifetime Warranty
Tip: Flush and refill with the coolant type your engine needs, then bleed the air out.

Mishimoto cooling part for the Ford Focus ST: what to know
Leaks, overheating and a heater that blows cold are common signs of cooling trouble.
Fitment notes
- Listed for: Ford Focus ST.
- Specs, lead time and warranty come from Mishimoto and can change. The details above this guide are the latest we have.
Not sure it fits? Message us your vehicle details and we'll double-check fitment before you buy.
Ask about fitmentWhat else to plan for
- Coolant. Use the correct type.
- Thermostat. Cheap while the system is drained.
More for your car: Coolant Reservoirs & Expansion Tanks · Ford Parts · All Radiators · Cooling & heating
Questions about Ford Focus ST cooling part
Will this fit my Ford Focus ST?
What coolant should I use?
Where do specs and warranty details come from?
Questions & answers
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