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 REPLACEMENT CLUTCH, REPLACES # 503815901 HUSQVARNA STARTER ASSEMBLY, REPLACES PART #537422901 18" REPLACEMENT CHAINSAW CHAIN 72DL .325 Our Price: $21.95 Our Price: $29.95 Our Price: $24.95 Our Price: $21.95 CHAIN ADJUSTING SCREW KIT PART# 537071201 CRANKSHAFT REPLACES PART # 503858071 GASKET SET REPLACES 503942802 16" OREGON PROLITE BAR AND CHAIN COMBO Our Price: $14.95 Our Price: $79.95 Our Price: $9.99 Our Price: $59.95 Share your knowledge of this product with other customers... Be the first to write a review HUSQVARNA JONSERED INTAKE CLAMP ASSEMBLY NEW AND IMPROVED, REPLACES PART # 537251302 $9.95 CRANKSHAFT OIL SEALS FIT STIHL 041, 041AV, 041FB, CLUTCH & FLYWHEEL SIDE, NEW $19.95 STIHL MS291, MS271, MS261, 7 TOOTH 3/8" SPROCKET, REPLACES PART # 1141-640-2003 $19.95 GASKET SET FITS STIHL 020AV SAWS GASKET SET WITH CRANKSHAFT SEALS $37.95