Water pipe seal for Volvo Penta RO: 829714 ? Exterior 17mm

High quality marine engine spare parts. Water pipe seal, common for the engines mentioned below : AQ 90, 95, 100, 105, 110, 115, 120, 130 MB 10A, MD 5A,B,C, 7A,B, 11D RO: 829714 ? Exterior 17mm