OMC Cobra 0984581 984581 21:21 Cobra Upper Gearcase Gear Set 2.3L 3.0L 0984580 Steering Helm Parts provided you are replacing a

provided you are replacing a bearing carrier with the same casting number

33hp 1965-1970

9/16" Socket with Plastic Insert

317219 / 0317219 Thermostat & Valves Cover

Suitable for all MerCruiser Alpha One R / MR / Gen I applications 1983-1990 (120hp

OMC Cobra 0984581 984581 21:21 Cobra Upper Gearcase Gear Set 2.3L 3.0L 0984580 Steering Helm Parts provided you are replacing aPart Number(s) Included Upper Gear Set 0984581 984581 21: 18 Gear Set (984580 0984580) 912373 Gear (21 Tooth) 912372 Gear (21 Tooth) General Application Compatibility Found on OMC Cobra Applications 1987 1993 GM 3. 0L 4cyl 140hp (1990 1993 When they switched to the larger lower gearcase on everything) Ford 2. 3L 4cyl (1987 1990) GM 4. 3L V6 (1989 1993 For High Altitude Models Only) Other Details Freshwater Used Parts Great condition Part of the