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... JONSERED 18" BAR & CHAIN COMBO FITS 520SP, 525, 535 450, 455 490, 590, 49SP 510 & OTHERS REPLACEMENT CLUTCH, REPLACES # 503815901 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" CHAINSAW CHAIN, 66DL .325", .050" 66 drive link Our Price: $44.95 Our Price: $29.95 Our Price: $54.95 Our Price: $19.95 CHAINSAW MUFFLER, PART # 544028301, NEW HUSQVARNA 350/JONSERED 2150 TOP END GASKET SET 20" BAR & CHAIN COMBO, .325" 78DL, NEW HUSQVARNA JONSERED INTAKE CLAMP ASSEMBLY NEW AND IMPROVED, REPLACES PART # 537251302 Our Price: $19.95 Our Price: $7.99 Our Price: $39.95 Our Price: $9.95 Share your knowledge of this product with other customers... Be the first to write a review EXHAUST GASKET REPLACES PART # 503775901 $2.99 NEW SPROCKET FITS STIHL 044, 046, MS440, MS441, MS460, MS461 .404" PITCH 7 TOOTH $19.95 18" OREGON PROLITE BAR AND CHAIN COMBO .325" 68DL $62.95 STIHL MS181 ENGINE ASSEMBLY, 38MM, COMES COMPLETE FOR EASY ASSEMBLY $89.95 POULAN 306A PISTON KIT WITH COMPLETE GASKET SET & CRANKSHAFT SEALS $78.95