Koyorad A13868 Radiator

Koyorad A13868 Radiator for Mazda 3

The Koyorad A13868 radiator is an OE-equivalent replacement built for 2019-2021 Mazda 3 applications with an external oil cooler. It uses an aluminum core with plastic tanks to match common factory-style construction and cooling performance requirements.

Key Features

• Fits 2019-2021 Mazda 3, N/A, with external oil cooler
• Aluminum core construction for efficient heat transfer
• Single-row core design
• Core dimensions: 26.5625 in. height x 26.5625 in. width x 0.625 in. thickness
• 1.3125 in. inlet and outlet diameters
• Plastic tank material for OE-style fit and function
• Koyorad radiator part number A13868

Product Details

Koyorad Radiator A13868 is engineered as a direct replacement radiator for the Mazda 3 platform listed above. Koyorad focuses on OE-equivalent replacement cooling components, and this radiator follows that approach with a single-row aluminum core, molded plastic tanks, and matched inlet and outlet sizing for straightforward integration into the factory cooling system. If you are searching for a 2019 Mazda 3 radiator, 2020 Mazda 3 radiator, or 2021 Mazda 3 radiator with external oil cooler fitment, this part number is the correct reference to verify.

This part cross-references BBB Industries 13868 and MA3010250 for the same application.

Common Reasons to Replace

• Coolant leaks from a damaged radiator tank or core
• Overheating caused by restricted coolant flow
• Corrosion or age-related wear in the cooling system
• Physical damage from road debris or impact
• Reduced cooling efficiency on a Mazda 3 with external oil cooler

Installation Notes

Confirm vehicle fitment by year, model, and external oil cooler configuration before installation. Inspect hoses, clamps, and surrounding cooling-system components for wear while replacing the radiator. Verify inlet and outlet hose sizing matches the factory setup, and refill the system with the correct coolant mixture after installation. Bleed air from the cooling system according to Mazda service procedures to help restore proper circulation.

Quality Assurance

Koyorad builds OE-equivalent radiators using technical manufacturing experience focused on replacement cooling parts. The A13868 is produced to meet the dimensional and material requirements expected for a factory-style radiator replacement on the listed Mazda 3 applications.