3 Pieces Torque Converter Lock-Up Solenoids TCC OEM Reference Numbers: 31825AA050, 31825AA051, 31825AA052, 31706AA030, 31706AA031, 31706AA032, 31706AA033, 31825-AA050, 31825-AA051, 31825-AA052, 31706-AA030, 31706-AA031, 31706-AA032, 31706-AA033 Compatible with vehicles equipped with Lineartronic CVT TR580 and TR690 transmissions including Crosstrek, Forester, Legacy, Outback, and Impreza models The solenoids are located within the transmission valve body.Installation requires disconnecting the transmission fluid lines, removing the transmission pan and valve body, and replacing the existing solenoids with the provided units.Reassemble by properly torquing all bolts and refill the transmission fluid to the specified level.