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" CHAINSAW CHAIN, 72DL .325 HUSQVARNA 350 CLUTCH REMOVAL TOOL NEW IGNITION COIL, REPLACES 537162204, NEW JONSERED 18" BAR & CHAIN COMBO FITS 520SP, 525, 535 450, 455 490, 590, 49SP 510 & OTHERS Our Price: $21.95 Add Our Price: $19.95 Add Our Price: $24.95 Add Our Price: $44.95 Add CARBURETOR, BRAND NEW ZAMA CARB, NEW 20" BAR & CHAIN COMBO, .325" 78DL, NEW CLUTCH DRUM SPUR SPROCKET .325 7 Tooth FUEL LINE,REPLACES OEM # 503577602, NEW Our Price: $79.95 Add Our Price: $39.95 Add Our Price: $17.95 Add Our Price: $5.99 Add Share your knowledge of this product with other customers... Be the first to write a review STIHL BAR NUT, REPLACES STIHL PART # 0000-955-0801 $2.50 AIR FILTER REPLACES 63589, NEW $9.99 P40, P41, P42 P38 CRANKCASE GASKET REPLACES PIONEER PART # 430190, NEW, USA SHIP $17.95 SPROCKET 3/8" PITCH, 6 TOOTH DRIVE $19.95 20" OREGON PROLITE BAR AND CHAIN COMBO $64.95 18" OREGON PROLITE BAR AND CHAIN COMBO $62.95 NEW SPROCKET FITS ECHO CS2511 CARVING SPROCKET 1/4" PITCH 8 TOOTH DRIVE $24.95 REPLACEMENT STARTER SPRING, REPLACES OEM #501763101. NEW $9.95 NEW 104-0576 SHIM FITS ONAN P216 P218 P220 B43 B48 $7.95