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" OREGON PROLITE BAR AND CHAIN COMBO REPLACEMENT CLUTCH, REPLACES # 503815901 JONSERED 18" BAR & CHAIN COMBO FITS 520SP, 525, 535 450, 455 490, 590, 49SP 510 & OTHERS 16" OREGON PROLITE BAR AND CHAIN COMBO Our Price: $62.95 Our Price: $29.95 Our Price: $44.95 Our Price: $59.95 16" CHAINSAW CHAIN, 66DL .325", .050" 66 drive link HUSQVARNA 350/JONSERED 2150 TOP END GASKET SET 18" REPLACEMENT CHAINSAW CHAIN 72DL .325 REPLACEMENT INTAKE RUBBER BOOT, REPLACES PART # 503866301 Our Price: $19.95 Our Price: $7.99 Our Price: $21.95 Our Price: $12.99 Share your knowledge of this product with other customers... Be the first to write a review STIHL 025, 18" REPLACEMENT BAR & CHAIN COMBO .325 $37.95 MCCULLOCH 16" .050" 3/8" LO PROFILE COMBO $34.95 SPARK PLUG GAP GAUGE FOR CHAIN SAWS AND OUTDOOR POWER EQUIPMENT $2.99 SWITCH SHAFT REPLACES STIHL PART # 1130-182-0900 $8.95 HUSQVARNA JONSERED INTAKE CLAMP ASSEMBLY NEW AND IMPROVED, REPLACES PART # 537251302 $9.95 16" OREGON PROLITE BAR & CHAIN FIT STIHL 031 034 036 MS310 MS390 039 MS311 MS391 $59.95 HUSQVARNA PISTON KIT, REPLACES 503531172, 48mm NEW $29.95 18" CHAINSAW PROFESSIONAL CHAIN, 72LG-68 $20.95 NEW 12737 EXHAUST VALVE GUIDE FITS GRAVELY 7.6HP, 6.6HP & 5HP L HEAD $24.95