Seal for Volvo Penta RO: 804695 18-2039 ID: 12.70mm for Imperial Shaft 0.5"
High-quality marine engine spare parts. Oil seal. Reference to Volvo Penta : 804695 Reference to Sierra: 18-2039 12.70mm ID 0.5" Stainless steel garter spring. These seals are found mostly on old gasoline and diesel engines. See the second picture : the shown pump is with plain bearings. 804695 goes with plain bearings.