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... CLUTCH DRUM SPUR SPROCKET .325 7 Tooth 16" BAR & CHAIN COMBO .325", .058", 66DL HUSQVARNA/JONSERED MUFFLER BRACKET REPLACES PART # 544809801 18" OREGON PROLITE BAR AND CHAIN COMBO Our Price: $17.95 Our Price: $35.95 Our Price: $7.95 Our Price: $62.95 JONSERED 18" BAR & CHAIN COMBO FITS 520SP, 525, 535 450, 455 490, 590, 49SP 510 & OTHERS 16" BAR & CHAIN COMBO FOR CHAINSAWS, .325 2 CRANKSHAFT BEARINGS AND SEALS, REPLACES PART # 503932302 REPLACEMENT THROTTLE LOCK, REPLACES PART # 503854401 Our Price: $44.95 Our Price: $37.95 Our Price: $24.95 Our Price: $4.99 Share your knowledge of this product with other customers... Be the first to write a review HUSQVARNA TOP END GASKET SET (CYLINDER, CARB, AND EXHAUST GASKET) $7.99 OIL PUMP ASSEMBLY REPLACES PART # 503521303, 503521305 $39.95 22" BAR & CHAIN, 3/8" PITCH, .050" GAUGE 76DL, NEW, IN STOCK $54.95