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... HUSQVARNA 350 CLUTCH REMOVAL TOOL NEW CHAINSAW MUFFLER, PART # 544028301, NEW HUSQVARNA STARTER HANDLE REPLACES PART # 503543901 20" BAR & CHAIN COMBO .325" , 78DL .058" Our Price: $19.95 Our Price: $19.95 Our Price: $3.95 Our Price: $39.95 18" CHAINSAW CHAIN, 72DL .325 16" OREGON PROLITE BAR AND CHAIN COMBO HUSQVARNA TUNE UP KIT, INCLUDES AIR FILTER, FUEL FILTER AND SPARKPLUG 18" OREGON PROLITE BAR AND CHAIN COMBO Our Price: $21.95 Our Price: $59.95 Our Price: $19.95 Our Price: $62.95 Share your knowledge of this product with other customers... Be the first to write a review REPLACEMENT THROTTLE LOCK, REPLACES PART # 503854401 $4.99 GASKET SET FITS STIHL 020AV SAWS GASKET SET WITH CRANKSHAFT SEALS $37.95 STIHL MS181 REPLACEMENT PISTON 38MM, REPLACES PART # 1139 030 2002 $29.95