Weapon R Aluminum Coolant Overflow Tank

2013–2016 Scion FR-S, 2013–2020 Subaru BRZ, 2017–2020 Toyota 86

Part #: 826-140-101

Overview

The Weapon R Aluminum Coolant Overflow Tank is a premium upgrade designed to replace the standard OEM coolant reservoir on your Scion FR-S, Subaru BRZ, or Toyota 86. This billet aluminum tank not only enhances the engine bay’s aesthetics with its polished finish but also provides durable and reliable coolant overflow management. Ideal for enthusiasts looking to add a touch of style and improved functionality, this tank is engineered to withstand the rigors of daily driving and spirited performance use.

Whether you’re restoring your vehicle’s engine bay or seeking a high-quality replacement part, the Weapon R tank offers a perfect blend of form and function. Its precision construction ensures a seamless fit and long-lasting performance, making it a smart upgrade for owners of these popular sports cars.

Key Features

Designed with both style and durability in mind, the Weapon R Aluminum Coolant Overflow Tank offers several standout features:

• Constructed from billet 6061 aluminum for superior strength and corrosion resistance
• TIG welded for enhanced durability and leak-free performance
• CNC machined billet aluminum fittings for precise fitment and reliability
• High-quality polished finish that adds a sleek, custom look to the engine bay
• CNC machined filler cap, hard anodized for color coordination and long-lasting wear
• Includes a polished aluminum mounting bracket for secure installation
• Comes with stainless steel clamps for reliable hose connections
• Supplied with 3 feet of high silicon clear fiber reinforced tubing for coolant or oil vapor routing
• Direct fitment for 2013–2016 Scion FR-S, 2013–2020 Subaru BRZ, and 2017–2020 Toyota 86 models

Construction & Design

The Weapon R coolant overflow tank is expertly crafted from billet 6061 aluminum, a material known for its excellent strength-to-weight ratio and resistance to corrosion. The tank is TIG welded, ensuring a robust and leak-proof assembly that can withstand the thermal stresses of engine operation. Every fitting and the filler cap are CNC machined from billet aluminum, providing precise tolerances and a premium feel.

The entire tank is polished to a high shine, giving it a refined appearance that elevates the engine bay’s visual appeal. The filler cap is hard anodized, enhancing its durability and offering a subtle color accent that complements the tank’s finish. The included polished aluminum bracket and stainless steel clamps complete the package, ensuring a secure and professional installation.

Installation & Fitment

Installation of the Weapon R Aluminum Coolant Overflow Tank is straightforward and designed to be a direct replacement for the factory unit. The kit includes all necessary hardware and tubing, allowing for a clean and secure fit without the need for modifications. This tank fits perfectly on 2013–2016 Scion FR-S, 2013–2020 Subaru BRZ, and 2017–2020 Toyota 86 models, maintaining OEM mounting points and hose connections.

Whether you are performing routine maintenance or upgrading your engine bay, this tank installs quickly with basic hand tools, making it accessible for both professional mechanics and experienced enthusiasts.

What's Included

• Billet 6061 aluminum coolant overflow tank, TIG welded and polished
• CNC machined billet aluminum filler cap, hard anodized
• Polished aluminum mounting bracket
• Stainless steel hose clamps
• 3 feet of high silicon clear fiber reinforced tubing

Ideal For

This coolant overflow tank is ideal for owners of the Scion FR-S, Subaru BRZ, and Toyota 86 who want to upgrade their engine bay with a durable, stylish, and functional component. It suits enthusiasts who appreciate quality craftsmanship and want a reliable replacement that enhances both appearance and performance reliability. Perfect for daily drivers, weekend warriors, and track day participants alike, this tank offers a lasting upgrade over the OEM plastic reservoir.

Weapon*R is a long-running import performance brand best known for intake systems and filtration products like their Secret Weapon and Dragon intake lines. Founded in the early ’90s with a focus on high-performance parts, Weapon*R products are aimed at enthusiasts who want improved airflow, aggressive induction sound, and bolt-on style upgrades for sport-compact platforms.