Select page: PICT-21.1 21 Engine ETN155451 (040001 - ) ST1035807 Engine Gasket Kit ST860571 Crankshaft and Piston ( - 070000) ST860624 Cylinder Head ( - 070000) ST861364 Engine Covers and Shrouds ( - 070000) ST861386 Engine Oil Pump and Filter ( - 070000) ST861420 Engine ST946239 Cylinder Head (070001 - ) ST946240 Crankshaft and Piston (070001 - ) ST946241 Engine Oil Pump and Filter (070001 - ) ST946242 Engine Covers and Shrouds (070001 - ) Other parts group: 20 Engine ETN155451 ( - 040000) 21 Engine ETN155451 (040001 - ) 30 Fuel and Air 40 Electrical 60 Steering, Brakes and Control Linkage 70 Hydraulics 80 Wheels, Non-Powered Axles, Sheet Metals and Operator's Station 85 Mower Deck, 52 inch 90 Labels