Koyorad A2272 Radiator

Koyorad A2272 Radiator for Lexus RX300

The Koyorad A2272 radiator is an OE-equivalent replacement built for 1999-2003 Lexus RX300 models. It combines an aluminum core with plastic tanks and includes an internal transmission oil cooler for direct-fit cooling system service.

Key Features

• Fits 1999-2003 Lexus RX300, N/A
• Aluminum core with a single-row design
• Plastic tank construction
• Internal transmission oil cooler included
• Transmission oil cooler diameter: 1.125 in.
• Inlet and outlet diameters: 1.3125 in.
• Core dimensions: 17.6875 in. height x 30.0625 in. width x 1 in. thickness
• Koyorad A2272 radiator for OE-style replacement service

Detailed Description

Koyorad A2272 is a replacement radiator engineered for the Lexus RX300 cooling system. The aluminum core supports efficient heat transfer, while the plastic tanks match common OE-style construction for a direct replacement approach. This radiator includes an internal transmission oil cooler, making it a practical choice for RX300 vehicles that route transmission fluid through the radiator assembly. Koyorad uses its manufacturing experience to produce OE-equivalent radiators that align with factory-style fitment and cooling performance expectations.

This part cross-references no listed aftermarket part numbers for the same application. If you are searching for a Koyorad A2272 radiator for Lexus RX300 1999-2003 service, this unit matches the specified fitment range.

Common Cooling System Issues It Can Address

• Cracked or leaking radiator tanks
• Corrosion or damage in the radiator core
• Transmission cooler leakage within the radiator assembly
• Reduced cooling efficiency from an aging radiator
• Overheating caused by a worn factory radiator

Installation Notes and Tips

Verify inlet and outlet hose diameters before installation and confirm the transmission cooler line connections match the vehicle setup. Flush the cooling system, inspect hoses and clamps, and replace worn coolant components during radiator service. After installation, refill with the correct coolant mixture and bleed air from the system according to Lexus service procedures.

Quality Assurance

Koyorad manufactures OE-equivalent radiators using application-specific dimensions and materials for direct replacement use. The A2272 is built to match the listed Lexus RX300 fitment and cooling-system requirements.