Bolt Motorcycle Hardware (DPWM14.223-10) M14 x 22.3mm Drain Plug Washer, (Pack of 10) Pack of 10; M14 aluminum drain plug sealing washers Soft tempered aluminum compresses to seal in fluids Most OEM's recommend replacing sealing washers at each oil or coolant change Dimensions ID: 14mm; OD: 22.3mm Meets or exceeds OEM specifications