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... 18" BAR & CHAIN COMBO FOR CHAINSAWS, .325 HUSQVARNA 350 CLUTCH REMOVAL TOOL & PISTON STOP, NEW REPLACEMENT THROTTLE LOCK, REPLACES PART # 503854401 FUEL LINE,REPLACES OEM # 503577602, NEW Our Price: $44.95 Add Our Price: $26.95 Add Our Price: $4.99 Add Our Price: $5.99 Add REPLACEMENT INTAKE RUBBER BOOT, REPLACES PART # 503866301 18" REPLACEMENT CHAINSAW CHAIN 72DL .325 CRANKSHAFT REPLACES PART # 503858071 GASKET SET REPLACES 503942802 Our Price: $12.99 Add Our Price: $21.95 Add Our Price: $79.95 Add Our Price: $9.99 Add Share your knowledge of this product with other customers... Be the first to write a review NEW SPROCKET FITS STIHL 090 .404" PITCH 7 TOOTH DRIVE SPROCKET FREE BEARING $30.75 16" OREGON PROLITE BAR AND CHAIN COMBO $62.95 STIHL MS291, MS271, MS261, 7 TOOTH 3/8" SPROCKET, REPLACES PART # 1141-640-2003 $19.95 STIHL MS180 REPLACEMENT CARBURETOR PART # 1130-120-0603 $39.95 GASKET SET REPLACES 503978501 $11.95 HUSQVARNA CYLINDER COVER & AIR FILTER COVER $19.95 HOMELITE 69501 GASKET FITS FUEL GAS CAP SUPER XL, XL-12, 360, 150 SUPER EZ, 925 $4.99