Steeda Mustang Coolant Expansion Tank Aluminum - Black (2015-2022)

5 Review(s)
$22.00 (9%)
Steedas American made black aluminum expansion tank S550 Ford Mustang is a direct bolt on replacement to Fords OE two-piece plastic degas bottle. If you are running a larger aftermarket radiator this tank will help to keep your S550 cooler when pushing

Part Number: 555 0600
Write a Review

Suggested Mods


This Steeda S550 Coolant Expansion Tank for 2015+S550 Mustang GT, EcoBoost, and V6 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.

Product Benefits:

  • 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

CA Residents: Cancer and Reproductive Harm WARNING

Hi everybody, Brian from Here today spotlighting our Coolant Expansion Tanks for the S550 Mustang as well as Shelby GT350 and 350R. From the factory, the S550 Mustang is equipped with a coolant tank and there is two real shortcomings to this. One is the material. It's made of plastic, which is prone to cracking over the years from all the heating and cooling. And as you know when plastic cracks it's not very good at holding fluid. This means as it leaks out the fluid you're doing an unscheduled coolant flush! Now the other thing that's an issue with it, is the amount of coolant that it holds. Especially for you guys that are going forced induction. Either supercharged or twin-turbocharged, you need extra cooling capacity! So here we are with our Steeda, Aluminum Fabricated Expansion Tanks to solve both problems. Let's begin with the functionality. The Steeda Aluminum Expansion Tanks are truly expansion tanks in that they increase the amount of coolant that you can put in your system. This means that you are improving the efficiency of your radiator as well as the cooling of your engine. Now this is going to be very important whether you have gone forced induction with a supercharger or twin-turbocharged or if your just really flogging the car at the racetrack. Now we equip many of our cars with these coolant tanks. Including our Red Q500 car that we have been taking out to Time Trials, Track Days, Autocross cars. You guys have seen tons of footage and if you want to see more, we always have more for ya! As well as our Q-Series Cars. The Q750 the Q850s as well as our very special, Steve McQueen Edition Bullitt! Expanding on the performance benefits, the Steeda tanks are constructed of fabricated Aluminum and this means that they're going to be far superior in strength and offer greater capacity to the factory, plastic expansion tank. This is important if you're going out to the race track frequently, autocrossing, drag racing, road racing or simply plan on enjoying your car for many years. These will prove far more reliable. Not only from a strength standpoint but the way they're constructed and speaking of this the billet necks are vented and will reuse the factory vented radiator cap. So you have a nice OE but improved look. We all take great pride in our Mustangs, and the way they look! So make sure that when you open the hood you can capture people's attention, the right way. These things are stunning! They look gorgeous! This is just one of the reasons why we equip them in so many cars but the reality is, your gaining so much in performance that the beauty of them, is just a side benefit. So now that we have cooled things down a little bit if you have any questions or comments post them below. If you want to be cool Click the SUBSCRIBE Button and stay in tune with upcoming videos that we are releasing. Likewise if you enjoyed the contents of this video please click Like and Share with other Mustang enthusiasts. And if you would like to learn more about these as well as our other great products for the Mustang and other Ford vehicles visit us at Don't forget to follow us on Social Media and most importantly Have an Awesome Day!
View Full Transcript

Fitment & Features


Manufacturer: Steeda Autosports

Installation Information:

Level of Difficulty: Easy
Install Time: About 30 Minutes
Tools Required: Basic Shop Tools

Vehicle Fitment:

Fits Model Year: 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
Mustang Model: EcoBoost, V6, GT

Customer Reviews

Rating Snapshot

Select a row below to filter reviews.

Average Customer Ratings


Almost perfect
Tank looks awesome, great quality and super fast shipping only problem I had was the steeda decal wasn’t in the box unfortunately
Did you find this helpful? 
Happy owner
Very nice, this was the third attempt to get it right. Save yourself some $$ Buy this product, covers just don't cut it ... see the story 1, 2 , 3 winner!
Did you find this helpful?  9 of 9 Found Helpful
Love the look
Hated the stock look so I upgraded to this beautiful black tank. Holds little under 1/2 gallon and I keep it 2/3 full.
Did you find this helpful?  12 of 12 Found Helpful
Verified Buyer  
Great quality piece easy install and looks top notch. Thanks Steeda...
Did you find this helpful?  6 of 8 Found Helpful
Looks great
Easy install, looks way better than the stock tank. I didn't install the Steeda oval sticker on mine I just left it black. Finish is awesome.
Did you find this helpful?  13 of 15 Found Helpful
There are no reviews for this product!

Related Items

123123 - -2
Back to TOP
0 Items