Performance Aluminum Radiator

• 2023–2026 Toyota | GR Corolla

The Mishimoto Performance Aluminum Radiator is a direct-fit performance radiator for the 2023-2026 Toyota GR Corolla and its 300 horsepower, 1.6L 3-cylinder engine. Its all-aluminum core is 51 percent larger than the stock radiator core, a single-row core with strutted tubes and louvered external fins uses the entire core thickness for cooling, and reinforced intercooler mounts and an extended drain port are built in for track and street use.

• Part number: MMRAD-GRC-23
• Direct fit for the 2023+ Toyota GR Corolla
• 51 percent increase in core volume over stock for improved cooling performance
• Single-row core with strutted tubes utilizes entire core thickness for cooling
• Louvered external fins improve heat transfer
• Extruded tubes and full-aluminum construction for improved durability, replacing the stock plastic end tank unit
• Reinforced intercooler mounts support future upgrades
• Extended drain with slotted plug makes maintenance mess-free
• Included foam shrouding ensures cool air goes through the core, not around it
• Retains the stock A/C condenser shrouding
• Mishimoto Lifetime Warranty

Frequently Asked Questions

Does this radiator fit my GR Corolla?
Yes, if you drive a 2023-2026 Toyota GR Corolla. This listing is part number MMRAD-GRC-23.

What is included in the box?
The box contains the Mishimoto Performance Aluminum Radiator for the 2023+ Toyota GR Corolla, backed by the Mishimoto Lifetime Warranty.

How does installation work?
This radiator is a direct-fit, direct bolt-on replacement for the stock radiator with no modifications required. It retains the stock A/C condenser shrouding.

How much larger is this radiator than stock?
The all-aluminum core provides a 51 percent increase in core volume over the stock radiator, so the cooling system can hold more coolant and dissipate more heat.

Review our Shipping Policy for delivery details, shipping costs and exclusions.

Eligibility, exclusions, applicable fees and exceptions are detailed in our Return Policy. Restrictions apply to special-order and custom products.

Proposition 65 Warnings: cancer and reproductive harm www.p65warnings.ca.gov