Perrin Coolant Overflow Tank Red 02-25 WRX / 04-21 STI / 13-25 BRZ / GR86 / FR-S / GT86

Perrin Coolant Overflow Tank Red 02-25 WRX / 04-21 STI / 13-25 BRZ / GR86 / FR-S / GT86 | Lightweight Aluminum | Coolant Reservoir

Overview

The Perrin Coolant Overflow Tank is a direct replacement reservoir designed for Subaru WRX, WRX STI, and Toyota 86/BRZ platforms spanning model years 2002 through 2025. This upgrade tank replaces the OEM plastic overflow with a durable, lightweight aluminum construction that offers superior heat resistance and longevity. It is ideal for enthusiasts looking to enhance engine bay reliability and aesthetics while maintaining factory coolant system compatibility.

Engineered with precision, the tank features a bold red powder-coated finish that resists corrosion and adds a clean, performance-oriented look under the hood. The design incorporates universal mounting brackets and a silicone hose, allowing flexible installation and increased clearance for common performance modifications such as aftermarket intercoolers or turbo piping. Perrin’s attention to detail ensures this tank fits seamlessly with the factory coolant cap and system.

For Subaru and Toyota owners who demand both form and function, this overflow tank provides enhanced coolant capacity and durability over stock components. Its compact size and robust materials help prevent cracking and leaks common with OEM plastic tanks, making it a reliable upgrade for daily drivers and track-focused builds alike. The increased clearance also supports more aggressive cooling setups, contributing to consistent engine temperatures during spirited driving.

Features & Specifications

This Perrin Coolant Overflow Tank is engineered for Subaru WRX, WRX STI, and Toyota 86/BRZ platforms and features lightweight aluminum construction with a red powder-coated finish. Constructed from high-grade aluminum, it delivers enhanced durability and heat resistance for Subaru enthusiasts seeking reliable cooling system upgrades with improved engine bay aesthetics.

• Brand: Perrin Performance
• Product: Coolant Overflow Tank Red
• Part Number: ASM-ENG-505RD
• Fitment: 02-25 WRX / 04-21 STI / 13-25 BRZ / GR86 / FR-S / GT86
• Material: Aluminum
• Finish: Red Powder Coat
• Construction: Welded Aluminum
• Origin: Not specified

Key Benefits

• Durability: Aluminum construction resists cracking and heat damage common with OEM plastic tanks
• Fitment: Direct replacement design uses factory coolant cap and includes universal mounting hardware for flexible installation
• Performance: Increased clearance supports aftermarket intercoolers and turbo piping without interference
• Aesthetics: Bold red powder coat adds a clean, OEM+ look to the engine bay
• Reliability: Corrosion-resistant finish backed by Perrin’s 5-year warranty ensures long-term peace of mind
• Capacity: Enhanced coolant volume helps maintain stable engine temperatures under demanding conditions

What's Included

• 1× Perrin Coolant Overflow Tank Red
• 1× 5/16" Silicone Hose, 55 inches
• Mounting Bracket Hardware for Installation
• Installation Instructions

Installation & Compatibility

Installation of the Perrin Coolant Overflow Tank is straightforward and suitable for enthusiasts with basic mechanical skills. The tank is designed as a direct replacement for the factory overflow reservoir and uses the OEM coolant cap, minimizing modifications. The included universal mounting brackets and silicone hose provide flexibility to accommodate various engine bay layouts and aftermarket components. No special tools beyond standard hand tools are typically required. This upgrade does not require tuning or coolant system modifications beyond standard refill and bleeding procedures.

• Professional Installation: DIY-Friendly
• Modifications Required: None
• Verify Compatibility: Confirm fitment for your specific model year and trim before purchase

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