Weapon R Aluminum Coolant Overflow Tank

2005–2010 Scion tC

Part #: 826-130-101

Overview

The Weapon R Aluminum Coolant Overflow Tank is a premium upgrade designed specifically for the 2005–2010 Scion tC. This billet aluminum replacement tank offers a striking visual enhancement over the standard OEM plastic reservoir, adding both style and durability under the hood. Ideal for enthusiasts looking to improve their engine bay aesthetics while maintaining reliable coolant management, this tank combines high-quality materials with precision craftsmanship.

Beyond its eye-catching appearance, the Weapon R tank is engineered to withstand the rigors of daily driving and spirited performance use. It provides a secure and efficient coolant overflow solution, helping to maintain optimal engine temperatures and prevent coolant loss during thermal expansion.

Key Features

Crafted with attention to detail, the Weapon R Aluminum Coolant Overflow Tank includes the following standout features:

• Constructed from durable 6061 billet aluminum for superior strength and corrosion resistance
• Fully TIG welded for enhanced structural integrity and leak prevention
• CNC machined billet aluminum fittings and filler cap for precise fitment and a polished finish
• Hard anodized filler cap available in multiple colors for added durability and style coordination
• Includes a black wrinkle-coated aluminum mounting bracket for secure installation
• Comes with stainless steel clamps to ensure tight, reliable hose connections
• Supplied with 3 feet of high silicon clear fiber-reinforced tubing for coolant or oil vapor routing
• Polished to a high-quality shine, elevating engine bay aesthetics

Construction & Design

The Weapon R overflow tank is meticulously crafted from aerospace-grade 6061 aluminum, known for its excellent strength-to-weight ratio and resistance to corrosion. Each component is CNC machined to exacting tolerances, ensuring a perfect fit and finish. The tank body and fittings are fully TIG welded, providing a robust, leak-free assembly that stands up to heat and vibration.

The filler cap is anodized for long-lasting wear resistance and color retention, allowing it to complement various engine bay themes. The included mounting bracket features a durable wrinkle-coated finish, combining functionality with a sleek appearance. This thoughtful design approach guarantees that the tank not only performs flawlessly but also enhances the overall look of your Scion tC’s engine compartment.

Installation & Fitment

Designed as a direct replacement for the factory coolant overflow tank on 2005–2010 Scion tC models, this Weapon R tank installs easily with no modifications required. The kit includes all necessary hardware, clamps, and tubing to facilitate a straightforward swap. Its precise fitment ensures a secure mount and proper coolant routing, making it an ideal upgrade for both novice and experienced installers.

What's Included

• Weapon R Aluminum Coolant Overflow Tank (6061 billet aluminum)
• CNC machined billet aluminum filler cap (hard anodized)
• Black wrinkle-coated aluminum mounting bracket
• Stainless steel hose clamps
• 3 feet of high silicon clear fiber-reinforced tubing
• All necessary mounting hardware

Ideal For

This coolant overflow tank is perfect for Scion tC owners seeking a durable and visually appealing upgrade to their engine bay. It suits enthusiasts who appreciate quality craftsmanship and want to replace the OEM plastic tank with a long-lasting billet aluminum alternative. Whether you are building a show car, enhancing daily driver reliability, or preparing your vehicle for track use, this tank offers both style and substance.

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.