This Koyorad radiator slots into Lexus RX350 GGL autos from 2009 onwards so you can tackle long drives without temperature dramas. The core stands at 450 mm high and 767 mm wide so it lines up with the standard mounts and shroud. The 27 mm core thickness handles steady coolant flow when you are stuck on a 40 km commute or climbing a long freeway grade. This setup includes an integrated transmission cooler suited to the RX350 automatic gearbox so you can get out there with a loaded family wagon or small trailer. The factory-style dimensions of 450 x 767 x 27 mm mean the gear matches standard hoses and fan hardware. The straightforward layout makes it a smart buy if you want replacement cooling gear that fits Aussie highway and city conditions without fuss.

• Suits Lexus RX350 GGL automatic models from 03/2009-on
• Core height measures 450 mm for OEM-style coverage
• Core width measures 767 mm to match factory support panel
• Core thickness is 27 mm for balanced cooling performance
• Includes integrated transmission cooler for automatic gearbox
• Direct-style replacement radiator for RX350 cooling system
• Suitable for everyday driving and light towing duties
• Koyorad brand radiator from established cooling specialist
• Category: 4x4 and touring performance radiator
• Designed for engines using automatic transmission with built-in cooler

Q: Does this radiator come with an integrated transmission cooler?

Yes, this radiator includes a built-in transmission cooler suitable for automatic Lexus RX350 GGL models. The cooler is housed within the main radiator tank and uses the same mounting footprint as the factory unit. You will reconnect the existing transmission cooler lines to the new radiator. Always check for leaks after installation and top up transmission fluid as required.

Q: How can I confirm this radiator will fit my RX350?

Confirm your vehicle is a Lexus RX350 GGL automatic built from 03/2009 onwards and measure your existing core. The original radiator should match approximately 450 mm height, 767 mm width and 27 mm thickness. If these dimensions and the automatic transmission match, this unit is intended as a direct-style replacement. When in doubt, cross-check OEM part numbers with your mechanic.

Q: Is any special maintenance needed after fitting a new radiator?

After installation you should refill the cooling system with fresh coolant and bleed any air. Recheck coolant level after the first 50–100 km of driving. Inspect all hose clamps and joiners once the engine has gone through a few full heat cycles. Keeping the fins clean from bugs and debris will help maintain airflow and cooling performance.

Q: Can this radiator handle towing or heavier loads?

This radiator uses a 27 mm thick core and integrated transmission cooler suited to typical RX350 towing loads. The larger 767 mm width gives good frontal area for heat rejection. For heavy towing always ensure your cooling system is in good condition overall. That includes hoses, thermostat, fans and shrouds, not just the radiator itself.

• Suits Lexus RX350 GGL automatic models built from 03/2009-on

• Radiator core size must match 450 x 767 x 27 mm original unit

• Fitment suited to vehicles with automatic transmission and integrated trans cooler

• Professional installation recommended due to cooling and transmission line connections

• Check existing mounting points and hose routing before ordering replacement unit