Yamaha Genuine 93210-27778-00 O Ring.
Fitment:
Water pump joint and coolant filler neck for 1985-2007 Yamaha Vmax VMX12
Water pump joint for 1983-1993 Yamaha Venture XVZ12 XVZ13
Water pump 2009-2020 Yamaha VMAX VMX17
Check fitment guide for other models. Please be sure this part fits your motorcycle before purchasing.