Mishimoto Aluminum Overflow Tank

2013–2020 Subaru BRZ / 2017–2020 Toyota 86 2.0L

MMRT-BRZ-13BK

Overview:

The Mishimoto Aluminum Overflow Tank is a premium upgrade designed specifically for the Subaru BRZ (2013–2020) and Toyota 86 (2017–2020) models equipped with the 2.0-liter engine. This high-quality coolant overflow tank replaces the factory plastic unit, which is prone to cracking and discoloration due to constant exposure to heat cycles. Ideal for enthusiasts and daily drivers alike, this tank enhances both the durability and appearance of your engine bay while providing reliable coolant level monitoring.

By choosing Mishimoto’s aluminum overflow tank, you ensure a long-lasting solution that withstands the rigors of daily driving and spirited performance. Its sleek design and available finishes allow it to blend seamlessly with your engine bay’s aesthetic, making it a smart upgrade for those who value both function and style.

Key Features:

This Mishimoto overflow tank offers a range of features engineered to improve your vehicle’s cooling system reliability and visual appeal:

• Constructed from 100% TIG-welded aluminum for superior strength and heat resistance
• Includes a clear sight glass for quick and accurate coolant level checks without removal
• Available in polished aluminum or anodized black finishes to match your engine bay style
• Designed to fit perfectly with stock or Mishimoto radiators for seamless integration
• Resistant to cracking and discoloration common in OEM plastic tanks
• Lightweight design that does not add unnecessary weight to the engine bay
• Backed by the Mishimoto Lifetime Warranty for peace of mind
• Compatible with Subaru BRZ models from 2013 to 2020 and Toyota 86 models from 2017 to 2020
• Easy installation with no modifications required

Construction & Design:

The Mishimoto Aluminum Overflow Tank is expertly crafted from high-grade aluminum, utilizing TIG welding to ensure a robust, leak-free construction. Aluminum’s natural resistance to heat and corrosion makes it an ideal material for coolant system components exposed to extreme temperature fluctuations. Unlike the OEM plastic tanks that can become brittle and unsightly over time, this aluminum tank maintains its structural integrity and polished appearance for years.

The tank’s design incorporates a built-in sight glass, allowing drivers to monitor coolant levels at a glance, reducing the need for frequent cap removal and minimizing the risk of spills or contamination. The choice between a polished or anodized black finish provides flexibility to complement various engine bay themes, whether you prefer a clean, shiny look or a stealthy, matte appearance.

Installation & Fitment:

Installation of the Mishimoto Aluminum Overflow Tank is straightforward and can typically be completed in under 30 minutes using basic hand tools. The tank is designed as a direct replacement for the factory overflow reservoir, requiring no modifications to existing hoses or mounting points. It fits perfectly with both stock and Mishimoto radiators for the Subaru BRZ (2013–2020) and Toyota 86 (2017–2020), ensuring a hassle-free upgrade experience.

What's Included:

• One Mishimoto Aluminum Overflow Tank (polished or anodized black finish)
• Integrated sight glass for coolant level monitoring
• All necessary mounting hardware for installation
• Detailed installation instructions

Ideal For:

This overflow tank is ideal for Subaru BRZ and Toyota 86 owners looking to replace their aging or damaged factory plastic tanks with a durable, visually appealing alternative. It suits enthusiasts who demand reliability and style in their cooling system components, as well as daily drivers seeking a maintenance-free upgrade that enhances engine bay aesthetics. Additionally, it is perfect for anyone planning to upgrade or maintain their cooling system with Mishimoto radiators or other performance parts.

Mishimoto is a performance cooling brand offering aluminum radiators, intercoolers, oil coolers, hoses, and supporting hardware built to manage heat on hard-driven street and track vehicles. For boosted setups and towing/off-road rigs alike, Mishimoto upgrades are designed to increase cooling capacity and reliability where factory systems can become a limitation.