Mishimoto Ford Mustang Expansion Tank, 2015-2023, Wrinkle Black – MMRT-MUS-15EBK

Add some additional reliability and engine bay styling with the Mishimoto Ford Mustang EcoBoost, V6, V8 Aluminum Coolant Expansion Tank. The Mishimoto Coolant Expansion Tank has internal baffles to prevent coolant starvation from overflow ports to engine. Also, during high speed cornering, braking, and acceleration, the internal baffled reduce coolant sloshing. The engineers at Mishimoto have also included a sight glass to allow for proper hot and cold coolant levels. The stock coolant expansion tanks is major eye sore in the engine bay, so the Mishimoto Expansion Tank is offered in polished or anodized black to keep your Mustang looking great and installs in under one hour! This tank was designed to work with the stock expansion tank cap and includes an overflow nipple on the fill neck for adding an additional coolant tank so your Mustang is NHRA legal. Plastic expansion tanks are prone to failure after years of constant temperature variations, so the Mishimoto tank is constructed from durable, TIG-welded aluminum for optimal durability and longevity. The Mishimoto Coolant Expansion Tank is engineered for perfect fitment in the 2015-2023 Ford Mustang EcoBoost, V6 and V8! As with all our products, this expansion tank includes the Mishimoto Lifetime Warranty.

Features & Benefits

• Direct fit for the 2015-2023 Ford Mustang EcoBoost, V6, and V8; Internal baffles keep coolant near overflow port during aggressive driving, preventing air entry into coolant system; Sight tube allows for proper hot and cold coolant levels; Installs in under 1 hour; Overflow nipple on fill neck allows for installation of additional NHRA-mandated overflow reservoir; 100-percent aluminum, fully-welded construction for maximum durability during repeated temperature transitions; Fits with stock overflow tank cap; Available in polished or black powder coat; Mishimoto Lifetime Warranty;

Vehicle Compatibility

Please check the exact model, variant and production year below before ordering.

• 2015–2023 Ford Mustang EcoBoost
• 2015–2015 Ford Mustang GT 50 Years Limited Edition
• 2015–2023 Ford Mustang GT Premium
• 2015–2023 Ford Mustang GT
• 2015–2023 Ford Mustang EcoBoost Premium
• 2015–2017 Ford Mustang V6
• 2015–2020 Ford Mustang Shelby GT350R
• 2015–2020 Ford Mustang Shelby GT350
• 2019–2020 Ford Mustang Bullitt
• 2020–2022 Ford Mustang Shelby GT500
• 2021–2023 Ford Mustang Mach 1

Technical Specifications

• Includes: (1) Aluminum Expansion Tank w/ Sight Glass--(1) Overflow Hose--(3) Worm-Gear Clamps--Mounting Hardware--Mishimoto Lifetime Warranty
• Applications: 2015-2023 Mustang EcoBoost--2015-2023 Mustang V6--2015-2023 Mustang V8
• Engine Codes: 2.3L EcoBoost, 5.0L Coyote V8, 3.7L Cyclone V6
• Chassis Codes: S550
• Material: 6061 Aluminum
• Installation Notes: 22 in-lbs (2.5NM) recommended for all worm-gear clamps. These clamps have an operating range of 18-27 in- 2-3NM. Do not exceed the maximum torque rating of 27 in-lbs (3NM).
• Note: After a few hot and cold cycles, Mishimoto recommends checking the sight glass on the side of the expansion tank to confirm proper coolant level.

Mishimoto Part Number: MMRT-MUS-15EBK

Need help checking fitment? Contact Retro Fast Fords before ordering and we can help verify compatibility.