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... CHAINSAW MUFFLER, PART # 544028301, NEW 20" BAR & CHAIN COMBO, .325" 78DL, NEW 18" OREGON PROLITE BAR AND CHAIN COMBO CARBURETOR, BRAND NEW ZAMA CARB, NEW Our Price: $19.95 Add Our Price: $39.95 Add Our Price: $62.95 Add Our Price: $79.95 Add 16" OREGON PROLITE BAR AND CHAIN COMBO 18" CHAINSAW CHAIN, 72DL .325 IGNITION COIL, REPLACES 537162204, NEW HUSQVARNA 350 CLUTCH REMOVAL TOOL & PISTON STOP, NEW Our Price: $59.95 Add Our Price: $21.95 Add Our Price: $24.95 Add Our Price: $26.95 Add Share your knowledge of this product with other customers... Be the first to write a review NEW SPROCKET FITS STIHL 044, 046, MS440, MS441, MS460, MS461 .404" PITCH 8 TOOTH $24.15 CHAIN SAW REPLACEMENT AIR FILTER PART # 530023791 $3.95 TWO PISTON RINGS FITS BRIGGS & STRATTON OHV ENGINE VANGUARD ENGINES 843953 $69.95 STIHL MS240 REPLACEMENT PISTON PART# 1121-030-2005,NEW $29.95 18" OREGON PROLITE BAR AND CHAIN COMBO .325" 68DL $62.95 REPLACEMENT GAS LINE & FUEL FILTER FOR STIHL CHAIN SAWS $11.95 JONSERED CABURETOR, REPLACES JONSERED PART # $119.95 STIHL REPLACEMENT SPROCKET BEARING, NEW $7.99 HUSQVARNA 3/8" 7 TOOTH PRO SPROCKET $24.95