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 JONSERED INTAKE CLAMP ASSEMBLY NEW AND IMPROVED, REPLACES PART # 537251302 HUSQVARNA CHAIN BRAKE SIDE COVER COMPLETE, REPLACES HUSQVARNA PART # 537107801 16" CHAINSAW CHAIN, 66DL .325", .050" 66 drive link FUEL LINE AND FUEL FILTER KIT, REPLACES PART # 503577602 & 503443201 Our Price: $9.95 Add Our Price: $29.95 Add Our Price: $19.95 Add Our Price: $9.99 Add CHAINSAW SPROCKET NEEDLE BEARING, NEW 2 CRANKSHAFT BEARINGS AND SEALS, REPLACES PART # 503932302 CLUTCH DRUM SPUR SPROCKET .325 7 Tooth 16" BAR & CHAIN COMBO FOR CHAINSAWS, .325 Our Price: $6.99 Add Our Price: $24.95 Add Our Price: $17.95 Add Our Price: $37.95 Add Share your knowledge of this product with other customers... Be the first to write a review OREGON 72DP PROFESSONAL SAW CHAIN, FITS 20" BAR NIB $18.95 STIHL 050, 051, 075, 076 OEM TILLOTSON CARBURETOR $109.95 24"/25" REPLACEMENT PRO CHAIN, 3/8", .063" GAUGE $22.95 HUSQVARNA 142 CYLINDER & PISTON KIT 40MM, REPLACES PART # 530069941 & 530069454 $49.95 REPLACEMENT THROTTLE LOCK, REPLACES PART # 503556601 $4.99 GENUINE TILLOTSNO STIHL 028 028 WOOD BOSS 028WB 028 SUPER CARBURETOR 11181200600 $69.95 BIG BORE POP UP PISTON KIT STIHL 044 044 MAGNUM MS440 MS440 MAGNUM 52MM KIT $34.95 HUSQVARNA STARTER ASSEMBLY, REPLACES PART #537422901 $24.95 NEW SPROCKET FITS STIHL 090 .404" PITCH 7 TOOTH DRIVE SPROCKET FREE BEARING $30.75