U151 Archives - Transmission Digest
U151/U250 Solenoid Information

The U151 and U250 are five-speed transaxles that are used in the Lexus ES300, ES330, RX330 and RX350 as well as many Toyota vehicles from 2004 on. The U250 is used behind the 2.4-liter four-cylinder engine, and the U151 is used behind the 3.0-, 3.3- and 3.5-liter V-6 engines. The U151E and the U250E are front-wheel-drive transaxles, and the U151F is an all-wheel-drive transaxle.