RoadNow engine radiator cooling fan delivers durability, quiet, comfort, easy installation. Compatible with Lexus Models: For Lexus RX350 V6 3.5L 2010-2015 Compatible with Toyota Models: For Toyota Sienna V6 3.5L 2011-2016 For Toyota Sienna 2.7L 2011-2013 NOTE: To ensure compatibility, please check the description or use the year/make/model drop down bar to verify that this part is the right fit for your vehicle. Part Numbers: 621530, 622670, 163610P180, 163610P440, 163630P370, 163630P380, 167110P400 Why Choose RoadNow Engine Radiator Cooling Fan? Durable Quality - Premium materials for extended service life. Perfect Fit - Rigorously tested to match OEM specifications. Quiet Comfort - Statically and dynamically balanced for quiet operation. Easy Install - Direct replacement for the cooling fan for easy installation. The radiator cooling fan is an integral part of your car that is responsible for cooling the radiator of your car. The radiator cooling fan does this by either pulling or pushing air into the radiator keeping the radiator temperatures within the safe levels. Here are the 4 signs that the engine radiator cooling fan needs to be replaced ?The engine is overheating ?The fan sensor is functioning incorrectly ?The engine loses power at higher RPM ?"Check Engine" flashing on the dashboard Engine Radiator Cooling Fan Installation Guide ?Locate fan & motor behind radiator after engine cools. ?Disconnect power, label wires for reconnection. ?Remove housing by unscrewing fasteners, clear obstructions. ?Detach fan blade & motor from shaft/housing. ?Install new parts, reassemble housing, reconnect wires/hoses.