10-16 Toyota Sienna / Lexus RX350/450H OEM Radiator Fender-Washers Install the same way you

Install the same way you would factory lug nuts — hand-start first

4L engines without modification

Sits flush with factory mounting geometry

These 50mm tall nuts fit the M12 x 1

This is a direct bolt-on component—just remove the old unit and install the new one using the existing fastener holes

10-16 Toyota Sienna / Lexus RX350/450H OEM Radiator Fender-Washers Install the same way you10 16 Toyota Sienna Lexus RX350 450H OEM Radiator Factory OEM radiator engineered for cooling system reliability on your Sienna or RX. Direct replacement designed to restore full thermal capacity after failure or upgrade. Tested for proper fitment and performance. Ships from FL Warehouse In House Quality Check Direct from Warehouse Key Features OEM specification Matches factory cooling capacity and tank design exactly Factory mounting points Bolts