We are an authorized Moose Utility Division dealer. 1996-2001 Yamaha YFM 350 FX Wolverine 4x4. 1988-2001 Yamaha YFM 350 X Warrior. 1993-1998 Yamaha YFM 400 FW Kodiak 4x4. Type Master Cylinder. Includes cap, diaphragm, plate and screws when they are necessary.