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 16" CHAINSAW CHAIN, 66DL .325", .050" 66 drive link REPLACEMENT INTAKE RUBBER BOOT, REPLACES PART # 503866301 18" BAR & CHAIN COMBO FOR CHAINSAWS, .325 Our Price: $21.95 Our Price: $19.95 Our Price: $12.99 Our Price: $44.95 16" OREGON PROLITE BAR AND CHAIN COMBO HUSQVARNA TUNE UP KIT, INCLUDES AIR FILTER, FUEL FILTER AND SPARKPLUG 20" REPLACEMENT CHAINSAW CHAIN 78DL .325 18" REPLACEMENT CHAINSAW CHAIN 72DL .325 Our Price: $59.95 Our Price: $19.95 Our Price: $24.95 Our Price: $21.95 Share your knowledge of this product with other customers... Be the first to write a review 24" REPLACEMENT PRO CHAIN, .058" 3/8" $26.95 STIHL MS201, MS201T CYLINDER & PISTON KIT 40MM, REPLACES PART # 1145-020-1200 $99.95 HIGH PERFORMANCE CYLINDER BASE & EX GASKET FITS STIHL 028 026 031 030 024 MS260 $9.95 JONSERED STARTER ASSEMBLY, REPLACES PART # 503606704 $74.95 HUSQVARNA 266, 61,162, JONSERED 630, 670 IGNITION COIL REPLACES PART # 501516201 $39.99