O-RING 25MM 670B3025 $0.78 Enter Quantity O-RING 25MMReplaces: FD620D, FD671D, FD750D, FD791D, FD851DFits: FD620D, FD671D, FD750D, FD791D, FD851DNote: For oil fill cap used on Aluminum valve covers SKU: KAW 670B3025