Parts list: № Number Qty Name Options 1 RE504203 1 Short Block Assembly (PISTON RE70689) (HELICAL GEAR) (MARKED R115471) (ALSO ORDER R121765 AND R502773) 1 RE504203 1 Short Block Assembly (PISTON RE70689) (SPUR GEAR) (MARKED R115471) (ALSO ORDER R121765) Next page: ST472615 ACCESSORY PARTS ST472616 ENGINE OIL ST472623 PISTON / CONNECTING RODS / CYLINDER LINER ST472624 CRANKSHAFT ST472625 MAIN BEARINGS ST472618 KEY ENGINE SERVICE PARTS ST472619 Cylinder Block Fittings