The AC Compressor fits Freightliner Cascadia 2011-2017 with OEM 10S15C and 8 Groove COF372-1. It is manufactured by Fleetrite and comes with a 1-year manufacturer warranty. The clutch diameter is 6.19" with 8 grooves, and the oil type is Pag 46. Made in the United States, this compressor is designed for front placement on the vehicle. Interchange part numbers include 2265771000, 6512983, 7512983, 2022496AM, and 2022529AM.FLTAC2022529AM