Parts list: № Number Qty Name Options 1 19M7785 2 Screw M10 X 25 2 R502451 1 Cover 3 DZ104137 1 Gasket SUB FOR R540050 4 R123226 1 Seal 5 R505727 1 Cover ORDER R502451 Next page: ST878691 9901 O Ring Kit, Cylinder Liner ST887405 9901 Short Block Assembly ST916076 9901 Cylinder Head Bolt Kit ST929087 9901 Engine Gasket Kit (1/3) ST929105 9901 Engine Gasket Kit (3/3) ST768739 9901 Pin Kit ST792000 4924 Valve Actuating Mechanism ST743443 5246 Gear Driven Auxiliary Drive ST760717 2225 Thermostat ST768726 9901 O Ring Kit, Cylinder Liner