Coolant Reservoirs

Do you find yourself lying awake at night, horrified by visions of your swollen, plastic blob of an overflow tank? Well we're here to help you rest...

Add some reliability and engine bay styling to your Focus RS/ST with the Mishimoto RS/ST expansion tank. This tank features internal baffles to pre...

Coolant tank for the 2017+ Honda Civic Type-R (FK8 and FL5). Replaced OEM plastic tank. Easy bolt-in installation.This Part Fits: Year Make Model...

Billet aluminum coolant tank for the 2023+ Toyota GR Corolla. Retains all factory functionality.

Replaces the factory plastic coolant tank with a CNC machined Radium coolant tank. Direct fitment with OEM mounting holes and fasteners. PRESSURE ...

two chamber design with two cross over passages and internal swirl featureThis Part Fits: Year Make Model Submodel 2016-2018 Ford Focus RS 201...

Radium Engineering 2015+ Ford Mustang GT / Boss 302 / V6 Coolant Tank KitThis Part Fits: Year Make Model Submodel 2015-2017 Ford Mustang EcoBoos...

Radium Engineering 11-14 Ford Mustang GT / Boss 302 / V6 Coolant Tank KitThis Part Fits: Year Make Model Submodel 2011-2014 Ford Mustang GT

Radium Engineering 06-11 Elise/Exige 2ZZ-GE ONLY Coolant Expansion Tank- OEM locationThis Part Fits: Year Make Model Submodel 2005-2011 Lotus El...

INSTALLATION INSTRUCTIONS AVAILABLE AT RADIUMAUTO.COM

Upgrade your engine bay by replacing the ugly OEM plastic coolant overflow tank with the precision-crafted, CNC-machined PERRIN Coolant Overflow Ta...

Upgrade your Jeep Wrangler JL or Gladiator JT with an aluminum expansion tank built to withstand the toughest trails and daily driving. The stock p...

Introducing the Mishimoto Coolant Expansion Tank for the 2023+ Toyota GR Corolla. This direct-fit solution boasts all-aluminum construction that wo...

Upgrade your engine bay by replacing the ugly OEM plastic coolant overflow tank with the precision-crafted, CNC-machined PERRIN Coolant Overflow Ta...

Upgrade your engine bay by replacing the ugly OEM plastic coolant overflow tank with the precision-crafted, CNC-machined PERRIN Coolant Overflow Ta...

Upgrade your engine bay by replacing the ugly OEM plastic coolant overflow tank with the precision-crafted, CNC-machined PERRIN Coolant Overflow Ta...

2009 Subaru Forester XT 2.5 Liter TZ1B8, 2009-2010 Subaru Forester XT Limited 2.5 Liter TZ1B8, 2010-2013 Subaru Forester XT Premium 2.5 Liter TZ1B8...

Add some additional reliability and engine bay styling with the Mishimoto Subaru WRX/STI Aluminum Coolant Expansion Tank. Stock coolant expansion t...

Get that plastic blob of an overflow tank out of your engine bay. Stock plastic tanks are prone to failure due to repeated hot and cold cycles, and...

Get that plastic blob of an overflow tank out of your engine bay. Stock plastic tanks are prone to failure due to repeated hot and cold cycles, and...

Add some additional reliability and engine bay styling with the Mishimoto Ford Mustang EcoBoost, V6, V8 Aluminum Coolant Expansion Tank. The Mishim...

Improve the style and reliability of your power steering system with the Mishimoto Aluminum Power Steering Reservoir Tank. Designed specifically fo...

It's been over a decade since the last 1999-2003 7.3L Powerstroke rolled off the assembly line. A lot can happen to a vehicle in that much time. An...

Mishimoto has developed an aluminum expansion tank for the 2015-2020 Ford F-150 to replace the weak and unsightly plastic OEM tank. Anyone who's ev...

Add some additional reliability and engine bay styling with the Mishimoto BMW E36 Aluminum Coolant Expansion Tank. Stock coolant expansion tanks ar...

The 2016-2024 Camaro is a highly impressive vehicle with a world-class power plant under the hood, regardless of which engine option you selected. ...

Whether you want to finish off the look of a tucked bay, or you just want to replace the dull, plastic OEM tank, the Mishimoto Aluminum Coolant Res...

Although it's often overlooked, a durable coolant overflow tank is a crucial component of any cooling system. Leaks within the overflow system can ...

The Mishimoto Universal Aluminum Coolant Expansion Tank is a go-to product in terms of reliability and performance in automotive cooling solutions....

The Mishimoto Universal Aluminum Coolant Expansion Tank is a go-to product in terms of reliability and performance in automotive cooling solutions....

Introducing the Mishimoto Coolant Expansion Tank for the 2024+ Ford Mustang GT and EcoBoost. This direct-fit solution boasts all-aluminum construct...

Introducing the Mishimoto Coolant Expansion Tank for the 2024+ Ford Mustang GT and EcoBoost. This direct-fit solution boasts all-aluminum construct...

Introducing the Mishimoto Coolant Expansion Tank for the 2023+ Toyota GR Corolla. This direct-fit solution boasts all-aluminum construction that wo...

no more trying to shine a flashlight through a muddy tank. To ensure this Mishimoto degas tank maintains all your stock tank's functionality, we've...

When the heat gets turned up, keep your cool with the Mishimoto 5-Gallon Ice Tank for your Air-to-Water intercooler setup! The secret to maintainin...

Dodge and Chrysler have carefully crafted the 2015-2023 6.4L Dodge Charger, Challenger, and their 6.2L Hellcat variants with imposing exteriors tha...

Improve the style and reliability of your power steering system with the Mishimoto Aluminum Power Steering Reservoir Tank. Designed specifically fo...

2009 Subaru Forester XT 2.5 Liter TZ1B8, 2009-2010 Subaru Forester XT Limited 2.5 Liter TZ1B8, 2010-2013 Subaru Forester XT Premium 2.5 Liter TZ1B8...

Add some additional reliability and engine bay styling with the Mishimoto Subaru WRX/STI Aluminum Coolant Expansion Tank. Stock coolant expansion t...

Add some reliability and engine bay styling to your Focus RS/ST with the Mishimoto RS/ST expansion tank. This tank features internal baffles to pre...

Add some reliability and engine bay styling to your Focus RS/ST with the Mishimoto RS/ST expansion tank. This tank features internal baffles to pre...

Whether you want to finish off the look of a tucked bay, or you just want to replace the dull, plastic OEM tank, the Mishimoto Aluminum Power Steer...

Whether you want to finish off the look of a tucked bay, or you just want to replace the dull, plastic OEM tank, the Mishimoto Aluminum Power Steer...

Whether you want to finish off the look of a tucked bay, or you just want to replace the dull, plastic OEM tank, the Mishimoto Aluminum Power Steer...

Add some additional reliability and engine bay styling with the Mishimoto Ford Mustang EcoBoost, V6, V8 Aluminum Coolant Expansion Tank. The Mishim...

Dodge and Chrysler have put a lot of work into the exteriors of their vehicles, especially in recent years. With the positively mean look these car...

Dodge and Chrysler have put a lot of work into the exteriors of their vehicles, especially in recent years. With the positively mean look these car...

Simplify, then add washer fluid. That?s how the saying goes, right? Add even more lightness and style to your already-lightweight and stylish roads...