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 40 (1985-05) > Husqvarna 40 Piston Assembly 44mm Our Price: $29.95 Product Code: HU0006 Qty: Description Husqvarna 40 Replacement Piston Assembly. Replaces OEM Number 503-48-9001. 44mm Related Products... REPLACEMENT MUFFLER ASEMBLY 530069415,NEW 16" OREGON PROLITE BAR AND CHAIN COMBO HUSQVARNA, JONSERED WRIST PIN BEARING, HIGH QUALITY, REPLACES 501451601 ECHO CS-510, 20" BAR & CHAIN COMBO .325"PITCH .050, 78DL, NEW Our Price: $19.95 Add Our Price: $59.95 Add Our Price: $9.95 Add Our Price: $39.95 Add JONSERED 2050 TURBO, 2045 TURBO, 2041 TURB0 CLUTCH PART # 503173102, USA SHIP THROTTLE CABLE REPLACES PART # 506014004 IGNITION COIL REPLACES PART # 503580501 HUSQVARNA, JONSERED CRANKSHAFT SEALS, REPLACES PART # 505275719 Our Price: $29.95 Add Our Price: $12.95 Add Our Price: $89.99 Add Our Price: $9.95 Add Share your knowledge of this product with other customers... Be the first to write a review CYLINDER JUG BASE GASKET FITS STIHL 028 026 031 030 030 024 MS260 1118-029-2306 $7.95 McCULLOCH PM 610 CHAINSAW REBUILD KIT WALBRO CARB $14.00 Husqvarna 141 Piston Assembly 40mm $29.95 Husqvarna 45 Piston Assembly 42mm $29.95 HUSQVARNA HIGH PERFORMANCE MUFFLER, REPLACES PART # 503591501 $19.95 HOMELITE 69451 DUCK BILL CHECK VALVE $4.99 HUSQVARNA REPLACEMENT CRANKSHAFT. REPLACES PART #501814901 $79.95