**PLEASE specify your RZR XP4 1000's transmission# in the cart notes** Also, please add your make/model/year. Thank you!///Different RZR XP4 1000 Transmission SKU's for Different years///RZR XP4 1000 (2014) #1333121, RZR XP4 1000 (2015) #1333363, RZR XP4 1000 (2016) #1333471, RZR XP4 1000 (2017-19) #1333695, RZR XP4 1000 (2020-23) #1334347, RZR XP4 1000 (2016) Highlifter Model #1333472, RZR XP4 1000 (2017-19) Highlifter Model #1333536.