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... HUSQVARNA STARTER ASSEMBLY REPLACES 537102701, NEW DECOMPRESSION VALVE/RELEASE TOP END GASKET OVER HAUL KIT 20" REPLACEMENT CHAINSAW CHAIN, 78DL .325 Our Price: $29.95 Add Our Price: $12.95 Add Our Price: $7.99 Add Our Price: $24.95 Add GASKET SET REPLACES 503942802 REPLACEMENT CLUTCH, REPLACES # 503815901 18" BAR & CHAIN COMBO FOR CHAINSAWS, .325 20" BAR & CHAIN COMBO, .325" 78DL, NEW Our Price: $9.99 Add Our Price: $29.95 Add Our Price: $44.95 Add Our Price: $39.95 Add Share your knowledge of this product with other customers... Be the first to write a review STIHL MS240 REPLACEMENT PISTON PART# 1121-030-2005,NEW $29.95 NEW HOMELITE 410, 410SL CHAINWSAW CYLINDER JUG GASKET, PART # 93338 $6.95 NEW CYLINDER & PISTON KIT 66MM, FITS STIHL 090, 090AV, PART # 1106-020-1211 $109.95 16" REPLACEMENT CHAINSAW CHAIN 66DL .325 $19.95 NEW HEAVY DUTY LIGHT SWITCH FITS GARDEN TRACTORS $24.95 Mouse over image to zoom STIHL-MS200-020T-ENGINE-ASSEMBLY-40MM-REPLACEMENT-COMES-ASSEMBLE-NEW STIHL-MS200-020T-ENGINE-ASSEMBLY-40MM-REPLACEMENT-COMES-ASSEMBLE-NEW STIHL-MS200-020T-ENGINE-ASSEMBLY-40MM-REPLACEMENT-COMES-ASSEMBLE READY FOR INSTALLATION $179.95 NEW 1/4" PITCH CARVING SPROCKET FITS STIHL MS180 MS190 MS210 MS230 MS250 MS191 $21.95