Lil' Red Barn Toggle Search Account Checkout Cart Home Parts & Tools Electrical Filters Fuel System Parts Tractor Parts 4-Stroke Engines Chainsaws Hedge Trimmers Leaf Blowers Safety Apparel Tools and Testers Service Manuals Briggs and Stratton Canadian Dolmar Echo Homelite Husqvarna Jonsered Kohler Makita McCulloch Onan Partner Pioneer Poulan Information Chain Reference Chart Chainsaw Chain Info - Maintenance & Safety Manual Testing Information and Diagrams for 2-Cycle Engines Watch How To Videos Contact Us Account Search site Submit search Nav Menu 2 Nav Menu 3 Nav Menu 4 Nav Menu 5 Nav Menu 6 Nav Menu 7 Nav Menu 8 Home > Parts & Tools > Chainsaws > Husqvarna > Husqvarna 340 (2007-01) > Husqvarna 340 Piston Assembly 40mm Our Price: $29.95 Product Code: HU0003 Qty: Description Husqvarna 340 Replacement Piston Assembly. Replaces OEM Number 503-87-0171. 40mm Related Products... CHAIN ADJUSTING SCREW KIT PART# 537071201 HUSQVARNA CHAIN BRAKE SIDE COVER COMPLETE, REPLACES HUSQVARNA PART # 537107801 20" REPLACEMENT CHAINSAW CHAIN 78DL .325 TOP END GASKET OVER HAUL KIT Our Price: $14.95 Our Price: $29.95 Our Price: $24.95 Our Price: $7.99 HUSQVARNA FUEL TANK ASSEMBLY, REPLACES PART # 503863771 OR 503863703 CYLINDER AND PISTON KIT, 45MM REPLACES OEM # 537253104 18" CHAINSAW CHAIN, 72DL .325 JONSERED 18" BAR & CHAIN COMBO FITS 520SP, 525, 535 450, 455 490, 590, 49SP 510 & OTHERS Our Price: $89.95 Our Price: $99.95 Our Price: $21.95 Our Price: $44.95 Share your knowledge of this product with other customers... Be the first to write a review HUSQVARNA REPLACEMENT CRANKSHAFT. REPLACES PART #501814901 $79.95 STIHL MS181 REPLACEMENT PISTON 38MM, REPLACES PART # 1139 030 2002 $29.95 STIHL MS361 PISTON KIT, REPLACES STIHL PART # 1135-030-2000 $29.95 STIHL MS361 IGNITION COIL, REPLACES STIHL PART # 1135-400-1300 $29.95