Keystone MA3010237 OEM Replacement Radiator for Mazda 3 Japan Built

The Keystone MA3010237 is a direct-fit OEM replacement radiator engineered for 2014–2018 Mazda 3 sedan and 2014–2017 Mazda 3 hatchback models built in Japan. This downflow radiator restores the vehicle's engine cooling system to factory operating condition, featuring an aluminum core and plastic tanks that match the original equipment design.

Core Specifications:

• Flow Type: Downflow
• Core Material: Aluminum
• Tank Material: Plastic
• Core Height: 14-3/4 in.
• Core Width: 28-9/16 in.
• Core Thickness: 5/8 in.
• Inlet Diameter: 1-5/16 in. (Top Left)
• Outlet Diameter: 1-5/16 in. (Bottom Center)
• Transmission Oil Cooler Included: No
• Engine Oil Cooler Included: No

Compatible Engine Applications:

• L4 2.0L — Manual Transmission, Japan-Built models only
• L4 2.5L — Manual Transmission, Japan-Built models only

Important Note: This radiator is designed exclusively for Japan-built Mazda 3 vehicles. The vehicle's country of origin can be verified by the first digit of the VIN — Japan-built models begin with the letter J.

OEM & Interchange Part Numbers:

• OEM Part Number: PE181520Y
• Partslink Number: MA3010237
• Cross-References: CU13404, 13404, DPI13404, PE181520YA

Designed as a bolt-on replacement, this radiator installs without drilling or modification, making it well-suited for collision repair and maintenance applications where restoring factory cooling performance is the priority.