Mishimoto 2015 Ford Mustang EcoBoost / 3.7L / 5.0L Aluminum Coolant Expansion Tank - Black

This Mishimoto performance part is a direct-fit upgrade for 2015-2023 Ford applications covering Mustang, Mustang Bullitt, Mustang EcoBoost, Mustang GT, Mustang Mach 1. It replaces the weak points of the stock part with stronger materials and better flow or cooling so heat, boost and abuse stay under control on street and track duty. AutoTalent lists verified US-market fitment in the table below.

Why upgrade

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. These kits are engineered around real chassis packaging, so hoses, coolers and adapters line up without fabrication on the listed years. Follow the published torque specs and install guide, reuse sensors where instructed, and confirm clearances if you run other supporting mods. Every unit ships with the Mishimoto Lifetime Warranty for as long as you own it.

Features

• 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 glass 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

What's Included

• (1) Aluminum Expansion Tank w/ Sight Glass
• (1) Overflow Hose
• (3) Worm-Gear Clamps
• Mounting Hardware
• Mishimoto Lifetime Warranty

Specifications

Fitment Notes

Verified against Mishimoto US applications and dealer listing for 2015-2023 (9 rows). Years extended to 2027 where the US model remains in production.

Vehicle Fitment