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... JONSERED 18" BAR & CHAIN COMBO FITS 520SP, 525, 535 450, 455 490, 590, 49SP 510 & OTHERS 18" CHAINSAW CHAIN, 72DL .325 DECOMPRESSION VALVE/RELEASE CLUTCH DRUM SPUR SPROCKET .325 7 Tooth Our Price: $44.95 Add Our Price: $21.95 Add Our Price: $12.95 Add Our Price: $17.95 Add CHAINSAW MUFFLER, PART # 544028301, NEW HUSQVARNA, JONSERED WRIST PIN BEARING, HIGH QUALITY, REPLACES 501451601 18" REPLACEMENT CHAINSAW CHAIN 72DL .325 20" BAR & CHAIN COMBO .325" , 78DL .058" Our Price: $19.95 Add Our Price: $9.95 Add Our Price: $21.95 Add Our Price: $39.95 Add Share your knowledge of this product with other customers... Be the first to write a review REPLACEMENT INTAKE RUBBER BOOT, REPLACES PART # 503866301 $12.99 PISTON KIT, 40MM, REPLACES PART # 530069454 $19.95 Stihl 017 Piston and Cylinder Kit $49.95 STIHL 038 20" PROFESSIONAL REPLACEMENT BAR & CHAIN COMBO, 3/8" , 72 DL, NEW $59.95