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... CLUTCH DRUM SPUR SPROCKET .325 7 Tooth 18" BAR & CHAIN COMBO FOR CHAINSAWS, .325,NEW HUSQVARNA STARTER ASSEMBLY REPLACES 537102701, NEW 20" OREGON PROLITE BAR AND CHAIN COMBO Our Price: $17.95 Add Our Price: $37.95 Add Our Price: $29.95 Add Our Price: $64.95 Add HUSQVARNA 350/JONSERED 2150 TOP END GASKET SET REPLACEMENT THROTTLE LOCK, REPLACES PART # 503854401 HUSQVARNA 350 CLUTCH REMOVAL TOOL & PISTON STOP, NEW HUSQVARNA FUEL TANK ASSEMBLY, REPLACES PART # 503863771 OR 503863703 Our Price: $7.99 Add Our Price: $4.99 Add Our Price: $26.95 Add Our Price: $89.95 Add Share your knowledge of this product with other customers... Be the first to write a review Husqvarna 254 Piston Assembly 45mm $29.95 HUSQVARNA 61 CHAINSAW SPROCKET NEEDLE BEARING, NEW $8.99 STIHL REPLACEMENT FUEL LINE REPLACES 1128 358 7701 $9.95 AIR FILTER REPLACES 63589, NEW $9.99 1/4" PITCH 14" BAR & CHAIN COMBO FITS STIHL 009 010 011 012 015 020AV CHAINSAWS $39.95