Mishimoto 2014+ Ford Fiesta ST Aluminum Coolant Expansion Tank - Polished Finish

Add some additional reliability and engine bay styling with the Mishimoto Fiesta expansion tank. The Mishimoto Fiesta ST expansion tank has internal baffles to prevent coolant starvation from overflow ports to engine. Also, during high speed cornering, braking, and acceleration, the internal baffle reduces coolant sloshing. The engineers at Mishimoto have also included a sight glass to allow for proper hot and cold coolant levels. The stock coolant Fiesta expansion tank is major eye sore in the engine bay, so the Mishimoto tank is offered in polished or black powder coat to keep your Fiesta ST looking great. As an added feature, you can install your tank in under one hour! This Fiesta expansion 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 Fiesta ST 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 Fiesta expansion tank is engineered for perfect fitment in the 2014-2019 Fiesta ST, and as with all our Fiesta ST parts, this expansion tank includes the Mishimoto Lifetime Warranty. Engine coolant reservoir designed to store and regulate excess coolant for proper system operation. Durable construction resists heat and pressure, helping prevent leaks and maintain optimal temperature. 2014-2016 Ford Fiesta ST 1.6 Liter

• Internal baffle keeps 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 one hour

Upgrade your Ford Fiesta ST with the Mishimoto Aluminum Coolant Expansion Tank, designed specifically for 2014-2019 models. This high-quality replacement enhances engine bay aesthetics and provides increased reliability over stock plastic tanks. Constructed from durable TIG-welded aluminum, the Mishimoto tank resists heat and pressure, reducing the risk of leaks and long-term failure caused by temperature fluctuations. The polished finish not only adds a sleek look but also resists corrosion, maintaining a clean appearance for years to come. Installation is straightforward, taking less than an hour, and the tank is compatible with the existing stock cap and includes an overflow nipple for NHRA-legal extra coolant capacity. The internal baffles prevent coolant starvation during aggressive driving maneuvers and reduce coolant sloshing during high-speed cornering, braking, and acceleration, ensuring optimal system performance and preventing air entry into the cooling system. A sight glass is incorporated to facilitate easy monitoring of hot and cold coolant levels, promoting proper maintenance and operation. This expansion tank is an ideal upgrade for enthusiasts seeking both performance and style in their engine bay, offering a perfect fit for the 1.6-liter Fiesta ST engines and backed by Mishimoto’s lifetime warranty for peace of mind. Whether you’re restoring your vehicle or upgrading for better reliability, this aluminum coolant reservoir is designed to meet the demands of high-performance driving while keeping your engine bay looking sharp.

Features:

• Internal baffle keeps 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 one hour

• Constructed from TIG-welded aluminum for durability and corrosion resistance

• Polished finish enhances engine bay appearance and resists corrosion

• Includes overflow nipple for additional coolant capacity to meet NHRA regulations

• Compatible with stock coolant cap for easy installation

Fitment:
2011 Ford Fiesta S
2011 Ford Fiesta SE
2011 Ford Fiesta SEL
2011 Ford Fiesta SES
2012 Ford Fiesta S
2012 Ford Fiesta SE
2012 Ford Fiesta SEL
2012 Ford Fiesta SES
2013 Ford Fiesta S
2013 Ford Fiesta SE
2013 Ford Fiesta Titanium
2014 Ford Fiesta S
2014 Ford Fiesta SE
2014 Ford Fiesta ST
2014 Ford Fiesta Titanium
2015 Ford Fiesta S
2015 Ford Fiesta SE
2015 Ford Fiesta ST
2015 Ford Fiesta Titanium
2016 Ford Fiesta S
2016 Ford Fiesta SE
2016 Ford Fiesta ST
2016 Ford Fiesta Titanium
2017 Ford Fiesta S
2017 Ford Fiesta SE
2017 Ford Fiesta ST
2017 Ford Fiesta Titanium
2018 Ford Fiesta S
2018 Ford Fiesta SE
2018 Ford Fiesta ST
2018 Ford Fiesta Titanium
2019 Ford Fiesta S
2019 Ford Fiesta SE
2019 Ford Fiesta ST
2019 Ford Fiesta ST Line

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1