This Steeda S550 Coolant Expansion Tank for the 2015-21 S550 Mustang GT and EcoBoost is a direct bolt on replacement to Ford's OE two-piece coolant tank. It allows you to run a larger amount of coolant throughout your radiator. If you are running a larger aftermarket radiator this coolant expansion tank will help to keep your S550 cooler when pushing it on the track.
- Direct bolt-in replacement
- Fabricated aluminum for strength, plastic tanks may fail after repeated high heat situations
- Uses factory vented cap, bleeds pressure like the factory intended
- Billet aluminum neck has a built-in overflow
- Integral billet aluminum hose fittings are better looking and less troublesome than screw in fittings
Tools Required: Specialist Tools
Time of Install: About 1 Hour
Level of Difficulty: Hard
Pressure testing is required upon installation of this product. Recommended to be installed by a professional.
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Steeda Coolant TankBy: Colin Lock on 21 September 2019I bought this polished aluminium coolant tank to improve the under bonnet appeal of my Mustang. It looks great, installation was super easy. Just 3 clamps and 2 bolts. It only took about 20 minutes. Unlike another coolant tank manufacturer the OEM cap fitted easily.