Select page: PICT-020.1 20 ENGINE GU20046 ST645142 Cylinder Block and Dipstick ST645143 Crankshaft and Piston ST645144 Cylinder Head ST645145 ENGINE GASKET KIT ST645146 ENGINE SHROUDS Other parts group: 20 ENGINE GU20046 30 FUEL AND AIR 40 ELECTRICAL 50 POWER TRAIN 60 STEERING AND BRAKES 80 WHEELS, FRAME AND OPERATOR'S STATION 85 MOWER DECK AND LIFT LINKAGE 90 LABELS