Volvo Penta seawater pump shaft kit. If you re unsure as to the exact shaft kit for your seawater pump, please call us at 01326 370060This kit contains items ringed in red. Please note there is only one seal ring 833996 in this kit. You can buy on separately or order one in the wear kit.The corresponding wear kit is part number 21951368Volvo Penta Part No: 21951422For: MD7A, MD7B, MD11C, MD11D, MD5A,MD5B, MD5C, MD6B