Model # 91788448 Official Craftsman gearcase

Part #53838

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

Part #75144

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 #79946

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

Part #88386

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

Part #83720

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

Part #48032

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 #63304

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

Part #77039

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