Model # 91779936 Official Craftsman 4-lead gearcase

Part #75136

The manufacturer no longer makes this part, and there's no substitute part

Part #53838

The manufacturer no longer makes this part, and there's no substitute part

Part #57079

The manufacturer no longer makes this part, and there's no substitute part

Part #81337

The manufacturer no longer makes this part, and there's no substitute part

Part #STD522512

The manufacturer no longer makes this part, and there's no substitute part

Part #83680

The manufacturer no longer makes this part, and there's no substitute part

Part #81377

The manufacturer no longer makes this part, and there's no substitute part

Part #57388

The manufacturer no longer makes this part, and there's no substitute part

Part #83684

The manufacturer no longer makes this part, and there's no substitute part