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... 18" OREGON PROLITE BAR AND CHAIN COMBO HUSQVARNA 350 CLUTCH REMOVAL TOOL NEW DECOMPRESSION VALVE/RELEASE 16" BAR & CHAIN COMBO .325", .058", 66DL Our Price: $62.95 Our Price: $19.95 Our Price: $12.95 Our Price: $35.95 18" CHAINSAW CHAIN, 72DL .325 REPLACEMENT INTAKE RUBBER BOOT, REPLACES PART # 503866301 CRANKSHAFT REPLACES PART # 503858071 HUSQVARNA STARTER ASSEMBLY REPLACES 537102701, NEW Our Price: $21.95 Our Price: $12.99 Our Price: $79.95 Our Price: $29.95 Share your knowledge of this product with other customers... Be the first to write a review REPLACEMENT GAS LINE & FUEL FILTER FOR STIHL CHAIN SAWS $11.95 HUSQVARNA TOP END GASKET SET (CYLINDER, CARB, AND EXHAUST GASKET) $7.99 16" OREGON PROLITE BAR AND CHAIN COMBO .325" PITCH 62DL $59.95 12" BAR & CHAIN COMBO 3/8" 45 DL .050"NEW $32.95 HUSQVARNA PISTON KIT, 44.3MM REPLACES PART #544143102 OR 525470102 $29.95 PISTON KIT, PART # 503899603, 44MM, NEW $29.95 STIHL 046 SPROCKET 3/8 PITCH 7 TOOTH $19.95 PISTON & CYLINDER BIG BORE, NIKSAL PLATED $99.95 REPLACEMENT INTAKE RUBBER BOOT, REPLACES PART # 503866301 $12.99