Yamaha Yamalube YZ450F (2003-2024) High Performance Synthetic Oil(2 Quarts) and Filter Change Kit, #LUB-10W40-FS-12 and #5D3-13440-09-00 Yamaha Oil Filter Part# 5D3-13440-09-00 Supercedes Part# 5D3-13440-02-00, Part# 5D3-13440-01-00 Yamaha Oil Filter Part# 5D3-13440-09-00 Supercedes Part# 5TA-13440-00-00 Kit Includes: (2 Quarts) Yamaha Hi Performance Synthetic Oil Part# LUB-10W40-FS-12 Kit Includes (1)Yamaha Crush Washers Part# 's 90430-10188-00 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.