Koyorad A2689 Radiator

Koyorad A2689 Radiator for Lexus RX330

The Koyorad A2689 radiator is an OE-equivalent replacement built for 2004-2006 Lexus RX330 models. It combines an aluminum core and aluminum tanks with an integrated transmission oil cooler to support factory-style cooling performance in a direct-fit radiator assembly.

Key Features

• Fits 2004-2006 Lexus RX330
• Aluminum core and aluminum tank construction
• 1-row core design
• Core dimensions: 26.375 in. height, 20.125 in. width, 0.875 in. thickness
• Inlet diameter: 1.5 in.; outlet diameter: 1.3125 in.
• Internal transmission oil cooler included
• Transmission oil cooler diameter: 1.625 in.
• Tow packaging: with tow
• Part number A2689

Product Details

Koyorad builds the A2689 as a replacement radiator for the Lexus RX330 with the dimensions and cooling features needed for a proper OE-style service part. The aluminum core and aluminum tanks help maintain a lightweight, corrosion-resistant construction, while the built-in transmission oil cooler supports vehicles equipped with automatic transmission cooling through the radiator. If you are searching for a 2004-2006 Lexus RX330 radiator with transmission oil cooler, Koyorad A2689 is a direct application to review.

Koyorad uses technical manufacturing experience to produce replacement radiators that match the needs of factory cooling systems. For buyers comparing Lexus RX330 radiator replacement options, the A2689 offers the core size, hose connections, and integrated cooler layout needed for a straightforward service replacement. The part number A2689 may also appear in searches for Koyorad A2689 radiator and Lexus RX330 cooling system replacement.

Common Problems This Radiator Can Address

• Cracked or leaking radiator tanks
• Restricted coolant flow from an aging core
• Transmission fluid temperature concerns tied to a failing internal cooler
• Corrosion or deterioration in the original radiator assembly
• Cooling system service needs on a 2004-2006 Lexus RX330

Installation Notes and Tips

Verify hose diameters, core dimensions, and transmission cooler connections before installation. Flush the cooling system and inspect related components such as hoses, clamps, and the radiator cap before fitting the new radiator. Because this unit includes an internal transmission oil cooler, confirm that all cooler lines are clean and properly connected during installation.

Quality Assurance

Koyorad positions this radiator as an OE-equivalent replacement backed by its manufacturing experience in cooling components. The A2689 is built to meet the requirements of the listed Lexus RX330 applications and to provide a factory-style replacement solution.