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All Overflow / Expansion Tanks

Upgrade Your Subaru BRZ / Toyota 86 with High-Quality Overflow & Expansion Tanks

Our collection features a curated selection of overflow and expansion tanks built for your 2020-2024 Subaru BRZ or Toyota 86. These components are essential for maintaining proper cooling system pressure and preventing overheating during spirited driving or track days. Designed for precise fitment and durability, our tanks help improve coolant flow and overall engine response, contributing to better reliability and performance under demanding conditions.

Whether you're replacing worn stock units or upgrading for enhanced cooling capacity, you'll find trusted aftermarket options that support your vehicle’s power and handling goals. Proper cooling is critical for consistent performance, especially when pushing your car on the street or track. Our collection includes high-quality tanks crafted from durable materials, ensuring long-lasting operation and peace of mind.

Shop overflow and expansion tanks for your Subaru BRZ / Toyota 86 at FastScions.

SELECT YOUR VEHICLE

12 Results

Perrin Coolant Overflow Tank
Perrin Coolant Overflow Tank
Sale

Perrin Performance Coolant Overflow Tank: Fits Most Subaru BRZ/GR86 & Toyota 86

Perrin Performance

Regular price $208.00 $176.80 15% off

Unit price
per 

Perrin Coolant Overflow Tank: Toyota 86 (17-20), Subaru BRZ (13-20) (13-16 Scion FR-S) & Toyota GR86 (22+)
Perrin Coolant Overflow Tank: Toyota 86 (17-20), Subaru BRZ (13-20) (13-16 Scion FR-S) & Toyota GR86 (22+)
Sale

Perrin Coolant Overflow Tank: Toyota 86, Subaru BRZ, Scion FR-S & Toyota GR86

Perrin Performance

Regular price $208.00 $176.80 15% off

Unit price
per 

Radium Engineering Coolant Tank Kit: Toyota GR Corolla 2023+
Radium Engineering Coolant Tank Kit: Toyota GR Corolla 2023+

Radium Engineering Coolant Tank Kit: Toyota GR Corolla 2023+

Radium Engineering

$332.45

Unit price
per 

Mishimoto Universal Aluminum Power Steering Reservoir Tank Wrinkle Black: Fits Most Models
Mishimoto Universal Aluminum Power Steering Reservoir Tank Wrinkle Black: Fits Most Models
Sale

Mishimoto Universal Aluminum Power Steering Reservoir Tank Wrinkle Black: Fits Most Models

Mishimoto

Regular price $118.00 $106.95 9% off

Unit price
per 

Mishimoto Aluminum Power Steering Reservoir Tank (UNIVERSAL) Wrinkle Red
Mishimoto Aluminum Power Steering Reservoir Tank (UNIVERSAL) Wrinkle Red
Sale

Mishimoto Aluminum Power Steering Reservoir Tank (UNIVERSAL) Wrinkle Red

Mishimoto

Regular price $118.00 $106.95 9% off

Unit price
per 

Mishimoto Universal Aluminum Power Steering Reservoir Tank Polished: Fits Most Models
Mishimoto Universal Aluminum Power Steering Reservoir Tank Polished: Fits Most Models
Sale

Mishimoto Universal Aluminum Power Steering Reservoir Tank Polished: Fits Most Models

Mishimoto

Regular price $118.00 $106.95 9% off

Unit price
per 

Mishimoto Expansion Tank: Toyota GR Corolla 2023 - 2024
Mishimoto Expansion Tank: Toyota GR Corolla 2023 - 2024
Sale

Mishimoto Expansion Tank: Toyota GR Corolla 2023 - 2024

Mishimoto

Regular price $406.00 $368.95 9% off

Unit price
per 

Mishimoto Expansion Tank: Toyota GR Corolla 2023+ Red
Mishimoto Expansion Tank: Toyota GR Corolla 2023+ Red
Sale

Mishimoto Expansion Tank: Toyota GR Corolla 2023+ Red

Mishimoto

Regular price $406.00 $368.95 9% off

Unit price
per 

Mishimoto Aluminum Overflow Tank: Subaru BRZ (13-20) & Toyota 86 (17-20)
Mishimoto Aluminum Overflow Tank: Subaru BRZ (13-20) & Toyota 86 (17-20)
Sale

Mishimoto Aluminum Overflow Tank: Subaru BRZ (13-20) & Toyota 86 (17-20)

Mishimoto

Regular price $258.00 $234.95 9% off

Unit price
per 

Mishimoto Aluminum Overflow Tank: Subaru BRZ (13-20) & Toyota 86 (17-20) & Scion FR-S (13-20)
Mishimoto Aluminum Overflow Tank: Subaru BRZ (13-20) & Toyota 86 (17-20) & Scion FR-S (13-20)
Sale

Mishimoto Aluminum Overflow Tank: Subaru BRZ (13-20) & Toyota 86 (17-20) & Scion FR-S (13-20)

Mishimoto

Regular price $258.00 $234.95 9% off

Unit price
per 

AVO Turboworld Dual Breather Tank Kit:  Scion FR-S 2013-2016; Toyota 86 2017-2018; Subaru BRZ 2013-2018
AVO Turboworld Dual Breather Tank Kit:  Scion FR-S 2013-2016; Toyota 86 2017-2018; Subaru BRZ 2013-2018
Sale

AVO Turboworld Dual Breather Tank Kit: Fits Most FR-S/BRZ/86 Models

AVO Turboworld

Regular price $567.00 $520.00 8% off

Unit price
per 

Weapon R Aluminum Coolant Overflow Tank: Scion FR-S 2013 - 2016; Toyota 86 2017-2018
Sale

Weapon R Aluminum Coolant Overflow Tank: Scion FR-S 2013 - 2016; Toyota 86 2017-2018

Weapon R

Regular price $250.00 $212.50 15% off

Unit price
per 

Cooling Upgrades for Your Subaru BRZ / Toyota 86: All Overflow & Expansion Tanks

Maintaining optimal cooling system pressure is essential for the reliability and performance of your Subaru BRZ or Toyota 86. Our collection of high-quality overflow and expansion tanks offers the perfect upgrade to enhance coolant flow, prevent overheating, and support spirited driving or track days. Designed for precise fitment and durability, these components are vital for keeping your engine running smoothly under demanding conditions.

What are the benefits of overflow and expansion tanks for your BRZ / 86?

Upgrading to aftermarket overflow and expansion tanks improves coolant capacity and helps maintain proper system pressure, reducing the risk of overheating during aggressive driving. These tanks also facilitate easier coolant management and can prevent air pockets that compromise cooling efficiency. Investing in quality tanks ensures long-lasting operation and peace of mind on the street or track.

  • Enhanced cooling system reliability under high load
  • Reduced risk of coolant loss or air entrapment
  • Improved engine response and temperature stability

How do I choose the right overflow or expansion tank for my Subaru BRZ / Toyota 86?

When selecting an aftermarket overflow or expansion tank, consider fitment compatibility, material quality, and capacity. Look for tanks crafted from durable materials like aluminum or high-strength plastic to withstand heat and vibration. Ensure the tank design complements your vehicle’s engine bay and supports your cooling goals, whether for daily driving, spirited runs, or track use.

What should I know before installing a new overflow or expansion tank?

Proper installation involves ensuring secure mounting and correct hose connections to prevent leaks. It’s also important to verify that the new tank’s capacity aligns with your cooling needs and that it’s compatible with your existing cooling system components. Shop our selection of high-quality overflow and expansion tanks at FastScions to find the right upgrade for your Subaru BRZ or Toyota 86 and keep your engine running cool under pressure.

SELECT YOUR VEHICLE