Mishimoto Aluminum Coolant Exp Tank

Part #: MMRT-WRX-01EBK

Overview

The Mishimoto Aluminum Coolant Expansion Tank is a high-quality upgrade designed for Subaru WRX and STI models from 2002 to 2007. Crafted from durable TIG-welded aluminum, this expansion tank enhances both the reliability and aesthetic appeal of your engine bay. It is an ideal choice for enthusiasts seeking to improve cooling system durability and add a touch of style to their vehicle's engine compartment. With a 50% increase in capacity over the stock unit, it helps support optimal coolant volume and pressure management, contributing to consistent engine performance and longevity.

Key Features

This expansion tank features:

• Constructed from TIG-welded aluminum for strength and corrosion resistance
• Barbed fittings for secure, leak-free connections
• Enhanced capacity to support increased coolant volume
• Engine bay styling upgrade with a sleek, polished appearance
• Designed to withstand temperature variations and engine heat
• Easy installation with direct fitment for specified models

Construction & Design

The Mishimoto coolant expansion tank is engineered from high-grade aluminum, ensuring durability and resistance to corrosion. Its TIG-welded construction provides a seamless, robust structure that can withstand the thermal stresses of engine operation. The barbed fittings are designed for secure hose connections, preventing leaks and ensuring reliable performance over time.

Installation & Fitment

This expansion tank is designed as a direct replacement for the stock unit on Subaru WRX 2002-2007 and STI 2004-2016 models. Installation involves removing the factory tank and replacing it with the Mishimoto unit, making it suitable for DIY enthusiasts and professional installers alike. Proper fitment should be verified against your vehicle’s specific configuration to ensure compatibility.