Yamaha Wolverine RMAX2/ RMAX4/ X2 1000 all Models Front and Rear Differential Oil Change Kit Kit Includes: (1) Quart ACC-GROIL-5G-QT Kit Includes: Front Differential Gaskets Yamaha Part#s 214-11198-01-00, 90430-12219-00 Kit Includes: Rear Differential Gasket Yamaha Part# 's 90430-12219-00, 214-11198-01-00 Kit Inlcudes: Xfinder Helmet Sticker Yamaha Original OEM Oil and Air Filter Change Kits. Differential and Gear Oil change Kits. Every kit, every part contains all Original OEM Yamaha parts. Every gasket, O-ring, crush washer and filter is made by Yamaha- specifically for Yamaha. If you receive this kit and there are 3rd party gaskets, or the parts are not in Original Yamaha Part packaging - please return the kit immediately for full refund – You do not want to risk your Yamaha with inferior parts. We understand that quality does cost more even if it’s just a gasket. Better Quality means longer lasting and better performance. So, the choice is yours, I know I always choose Yamaha OEM parts for my Yamaha, down to every nut, bolt and washer.