Keystone TO3010372 OEM Replacement Radiator for Japan-Built Vehicles

The Keystone TO3010372 is an OEM-style replacement radiator engineered to restore proper engine cooling on Japan-built 2019–2020 Toyota Corolla and 2019 Lexus UX200 models. Designed as a direct-fit replacement, this radiator matches original equipment specifications for a straightforward, no-modification installation.

This unit features an aluminum core and plastic tank construction with a crossflow design, delivering efficient heat dissipation to maintain safe engine operating temperatures. It directly replaces Toyota OEM part number 16400-24320 (1640024320).

Key Features:

• Direct OEM replacement — matches original fit, form, and function
• Aluminum core with plastic tanks for durability and thermal efficiency
• Crossflow, single-row core design
• Partslink Number: TO3010372
• OEM Cross-Reference: 16400-24320 / 1640024320
• Designed specifically for Japan-built vehicle assemblies

Replacing a failing radiator promptly helps prevent engine overheating, coolant loss, and potential transmission fluid contamination. The TO3010372 restores cooling system integrity with a proven OEM-equivalent design.