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... REPLACEMENT CLUTCH, REPLACES # 503815901 REPLACEMENT INTAKE RUBBER BOOT, REPLACES PART # 503866301 20" REPLACEMENT CHAINSAW CHAIN, 78DL .325 FUEL LINE AND FUEL FILTER KIT, REPLACES PART # 503577602 & 503443201 Our Price: $29.95 Our Price: $12.99 Our Price: $24.95 Our Price: $9.99 CARBURETOR, BRAND NEW ZAMA CARB, NEW FUEL LINE,REPLACES OEM # 503577602, NEW 20" OREGON PROLITE BAR AND CHAIN COMBO CLUTCH DRUM SPUR SPROCKET .325 7 Tooth Our Price: $79.95 Our Price: $5.99 Our Price: $64.95 Our Price: $17.95 Share your knowledge of this product with other customers... Be the first to write a review NEW CLUTCH & SPROCKET 3/8" PITCH 8 TOOTH FITS STIHL 090 $109.95 NEW CLUTCH & SPROCKET .404" PITCH 8 TOOTH FITS STIHL 090 $109.95 SPUR SPROCKET FITS STIHL 044 046 MS440 MS441 MS460, MS461 3/8" PITCH 7 TOOTH $21.95