Koyorad A13056 Radiator

Koyorad A13056 Radiator for Lexus IS F

The Koyorad A13056 radiator is an OE-equivalent replacement built for the 2008-2011 Lexus IS F. It uses an aluminum core with plastic tanks and integrated transmission oil cooler connections to match the factory cooling layout.

• Fits 2008-2011 Lexus IS F
• Core height: 15.75 in.
• Core width: 28.625 in.
• Core thickness: 1.4375 in.
• 2-row aluminum core construction
• 1.5 in. inlet and 1.5 in. outlet diameters
• Transmission oil cooler diameter: 1.0625 in.
• Plastic tank construction for OE-style fitment

Built for OE-Style Cooling Replacement

Koyorad A13056 is a direct-fit radiator for the Lexus IS F, engineered around factory-style dimensions and connection sizes. The aluminum core helps transfer heat efficiently, while the plastic tanks follow the original equipment layout for a straightforward replacement on 2008, 2009, 2010, and 2011 Lexus IS F models. This part number, A13056, is a practical choice when replacing a leaking, clogged, or damaged radiator in the Lexus IS F cooling system.

What This Radiator Helps Address

• Coolant leaks from a cracked or aging radiator
• Overheating caused by restricted coolant flow
• Heat transfer loss from a worn or corroded core
• Transmission cooling concerns tied to radiator cooler connections
• Factory-fit replacement needs after collision or front-end damage

Installation Notes and Tips

Verify inlet and outlet hose sizes, cooler line connections, and overall dimensions before installation. Flush the cooling system, inspect hoses and clamps, and confirm the radiator mounts and fan shroud alignment are in good condition. For best results, refill with the correct coolant mixture and bleed the system according to Lexus service procedures. Koyorad A13056 is compatible with 2008-2011 Lexus IS F applications only.

Quality Assurance

Koyorad focuses on OE-equivalent replacement radiators and applies manufacturing experience to produce a dependable factory-style cooling component. The A13056 is built to meet the dimensional and functional requirements expected for the Lexus IS F platform.