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 STARTER HANDLE REPLACES PART # 503543901 TOP END GASKET OVER HAUL KIT FUEL LINE AND FUEL FILTER KIT, REPLACES PART # 503577602 & 503443201 16" CHAINSAW CHAIN, 66DL .325", .050" 66 drive link Our Price: $3.95 Our Price: $7.99 Our Price: $9.99 Our Price: $19.95 HUSQVARNA 350 CLUTCH REMOVAL TOOL & PISTON STOP, NEW JONSERED 18" BAR & CHAIN COMBO FITS 520SP, 525, 535 450, 455 490, 590, 49SP 510 & OTHERS JONSERED 20" BAR & CHAIN COMBO FITS 2149 520SP, 525, 535 450, 455 490, 590, 49SP 510 2150 2153 2152 2145 2141 2050 2045 2041 16" BAR & CHAIN COMBO .325", .058", 66DL Our Price: $26.95 Our Price: $44.95 Our Price: $54.95 Our Price: $35.95 Share your knowledge of this product with other customers... Be the first to write a review REPLACEMENT THROTTLE LOCK, REPLACES PART # 503854401 $4.99 2 CRANKSHAFT SEALS FITS POULAN 2200 2500 2750 2900 PP220 PP260 PART # 530019170 $12.95 STIHL 056 SUPER 25" FOR BAR & CHAIN COMBO 3/8" 84 DL $64.95 STIHL REPLACEMENT SPROCKET BEARING, NEW $7.99 STIHL FOR STARTER HANDLE & ROPE, 1128-190-3400 $8.99 HOMELITE 14" CHAINSAW CHAIN 53DL, 3/8" LO PROFILE $15.95 GASKET SET REPLACES 501761802 $9.99 Husqvarna 141 Piston Assembly 40mm $29.95 NEW PISTON KIT FITS STIHL MS170 PISTON, 37MM KIT, PART # 1130-030-2000 $24.95