Toyota 16363-50040 Cooling Fan Motor Assembly

This genuine Toyota motor assembly (part numbers 16363-50040, 1636350040, 16363-31140, 1636331140) serves as the right-side (passenger side) radiator cooling fan motor, designated as Cooling Fan No.2. It is a 12V DC electric motor engineered for direct OEM fitment on Lexus and Toyota platforms. The unit weighs 0.97 kg and features OEM-spec connector and mounting geometry for bolt-on installation. It drives the radiator fan blade to maintain engine coolant temperature across operating conditions. Cross-references include Toyota part numbers 16361-38040 and 1636138040, plus aftermarket interchange numbers 1636131410, 1636131430, 1636331300, and 1671131630. Compatible engines include the 1UZ-FE (4.3L V8), 2GR-FKS (3.5L V6), 2GR-FSE (3.5L V6), 2GR-FXE (3.5L V6 Hybrid), 3UZ-FE (4.3L V8), and 4GR-FSE (2.5L V6). Primary applications cover Lexus LS430 (2001-2006), GS350 (2013-2020), GS450h (2013-2018), IS250 (2014-2015), RC350 (2014-2016), GS300 (2018-2019), IS350 (2014-2016), RC300 (2016-2024), GS250 (2013-2015), Toyota Celsior, and Toyota Crown Majesta.