Mishimoto Aluminum Radiator Kit

2020–2022 Toyota GR Supra 3.0L

MMRAD-SUP-20K

Overview:

The Mishimoto Aluminum Radiator Kit is engineered specifically for the 2020 to 2022 Toyota GR Supra 3.0L, delivering superior cooling performance to keep your engine running at optimal temperatures. Designed for enthusiasts who demand reliability and efficiency on the street, track, or canyon roads, this kit addresses the Supra’s tendency to run hot under aggressive driving conditions. By upgrading both the primary and auxiliary radiators, Mishimoto ensures a comprehensive cooling solution that supports sustained high-performance driving without compromise.

Whether you’re pushing your A90 Supra on track days or spirited canyon runs, this radiator kit helps prevent overheating, reducing the risk of engine damage and performance loss. It’s a direct-fit, high-quality upgrade that enhances heat dissipation and fluid capacity, giving your Supra the cooling advantage it needs.

Key Features:

This complete radiator kit offers a range of technical improvements over the factory cooling system, including:

• Primary radiator with a 1.65-inch thick core, increasing core volume by 31% for enhanced coolant capacity
• Updated tube-and-fin design on the primary radiator that expands external fin surface area by 57% to improve heat transfer
• Strutted tubes in the primary radiator core to resist chassis flex and prevent cracks or leaks
• Auxiliary radiators constructed with a 1.57-inch thick core, boosting core volume by 30%
• Auxiliary radiator fins increased by 180% in surface area for maximum cooling efficiency
• All radiators feature full aluminum construction with TIG-welded end tanks for durability and longevity
• Polished finish on all cores for a clean, high-quality appearance
• Includes Mishimoto Lifetime Warranty for peace of mind

Construction & Design:

Mishimoto’s radiator kit replaces the factory’s slim core and plastic end tanks with robust, full aluminum radiators built to withstand the rigors of performance driving. The TIG-welded construction ensures superior strength and leak resistance, while the increased core thickness and volume allow for greater coolant flow and heat absorption. The primary radiator’s strutted tubes provide structural rigidity, preventing damage caused by chassis flex during aggressive maneuvers. The auxiliary radiators receive similar upgrades, with thicker cores and significantly expanded fin surface area to maximize cooling capacity across the entire system.

Every component is precision-engineered to fit the GR Supra without modification, maintaining OEM mounting points and hose connections for a seamless installation experience.

Installation & Fitment:

This Mishimoto Aluminum Radiator Kit is a direct-fit upgrade designed exclusively for the 2020 through 2022 Toyota GR Supra 3.0L models. Installation requires no cutting or custom fabrication, making it accessible for professional shops and experienced enthusiasts alike. The kit replaces the factory primary and auxiliary radiators, ensuring compatibility with the vehicle’s existing cooling system and maintaining proper coolant flow and pressure.

What's Included:

• Mishimoto Performance Aluminum Primary Radiator
• Mishimoto Performance Aluminum Auxiliary Radiators (two units)
• Polished finish on all radiator cores
• Mishimoto Lifetime Warranty documentation

Ideal For:

This radiator kit is ideal for Toyota GR Supra owners who frequently engage in high-performance driving activities such as track days, autocross, canyon carving, or drag racing. It is also well-suited for enthusiasts seeking a reliable cooling upgrade to support engine modifications or extended spirited driving sessions without overheating concerns.

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.