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... 20" BAR & CHAIN COMBO, .325" 78DL, NEW HUSQVARNA STARTER ASSEMBLY, REPLACES PART #537422901 18" BAR & CHAIN COMBO FOR CHAINSAWS, .325 HUSQVARNA 350 CLUTCH REMOVAL TOOL NEW Our Price: $39.95 Our Price: $24.95 Our Price: $44.95 Our Price: $19.95 REPLACEMENT INTAKE RUBBER BOOT, REPLACES PART # 503866301 CHAINSAW MUFFLER, PART # 544028301, NEW JONSERED 20" BAR & CHAIN COMBO FITS 2149 520SP, 525, 535 450, 455 490, 590, 49SP 510 2150 2153 2152 2145 2141 2050 2045 2041 IGNITION COIL, REPLACES 537162204, NEW Our Price: $12.99 Our Price: $19.95 Our Price: $54.95 Our Price: $24.95 Share your knowledge of this product with other customers... Be the first to write a review A BRAND NEW JONSERED 930, 920, 830, 820 CYLINDER GASKET REPLACES PART # 503491601, SHIPS FROM USA NOTE: THIS CYLINDER GASKET IS NOT MADE IN CHINA OR TAIWAN VERY HIGH QUALITY MADE REPLACEMENT GASKET $8.95 28" REPLACEMENT PRO CHAIN, .058" 3/8" $26.95 STIHL 070 CYLINDER & PISTON KIT 58MM, REPLACES STIHL PART # 1106-020-1201 $89.95 16" OREGON PROLITE BAR AND CHAIN COMBO $62.95