Make sure you do not have the longer shafts or these will not work - Will not work with ‘high profile’ OMC models, usually 1974 and older - Manufactured by GLM Marine with a 2 year warranty - 5., 5” Water pump shaft replaces OMC 909753 and Sierra 18-2185 - 4., 5” Drive shaft replaces OMC 909121 and Sierra 18-2183 - Upper gear case seal kit replaces OMC 982949 Includes: - Low profile water pump shaft 5., 5” 909753 - Low profile drive shaft 4., 5” 909121 - Upper housing seal kit with all oil seals, o-rings and gaskets Contact us with any questions regarding compatibility GLM Products 12281 Water Pump Kit - GLM Products 12281 - GLM Products... GLM Products, Inc. - OMC STRINGER COMPLETE WATER PUMP KIT - Marine New Sierra / OMC Sterndrive Short Water Pump Shaft OEM # 909753 / Marine Parts Warehouse. ... Seal Kits · Connecting Rods · Crankshafts & Parts · Gasket Kits... OMC Stern Drive Shaft Bundle Bearing Carrier Drive Shaft For OMC Replaces 909121 (TM2183 GLM Marine Replacement Parts