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 45 (1988-02) > Husqvarna 45 Piston Assembly 42mm Our Price: $29.95 Product Code: HU0043 Qty: Description Husqvarna 45 Replacement Piston Assembly. Replaces OEM Number 503-44-1002. 42mm Related Products... HUSQVARNA, JONSERED CRANKSHAFT SEALS, REPLACES PART # 505275719 REPLACEMENT PRO 2 PIECE SPROCKET, .325" PITCH, NEW HUSQVARNA, JONSERED IMPULSE HOSE CONNECTOR FITS 55, 55 RANCHER, 51, 50, 49, 45, 40, OEM OREGON 100' ROLL OF .325 PITCH, .058 GAUGE CHISEL CHAIN Our Price: $9.95 Add Our Price: $19.95 Add Our Price: $7.95 Add Our Price: $399.95 Add 18" OREGON PROLITE BAR AND CHAIN COMBO 16" BAR & CHAIN COMBO .325", .058", 66DL 16" REPLACEMENT CHAINSAW CHAIN 66DL .325 HUSQVARNA 40,45,49, JONSERED 2050, 2045, 2041 42MM CYLINDER KIT, 503440802 Our Price: $62.95 Add Our Price: $35.95 Add Our Price: $19.95 Add Our Price: $89.95 Add Share your knowledge of this product with other customers... Be the first to write a review PISTON KIT 43MM FITS ECHO CS4500, CS4600 REPLACES PART # 10000019930,10000319930 $29.95 HUSQVARNA 460 PISTON KIT 49MM, REPLACES PART # 537401302 $29.95 ONAN P216 P218 P220 STANDARD PISTONS, VALVES GASKET & SEALS FITS ONAN ENGINES $289.95 STIHL REPLACEMENT PROFESSIONAL SPROCKET $19.95 CYLINDER GASKET, REPLACES PART # 1108-029-2300 $5.00 GASKET SET FITS STIHL 020AV SAWS GASKET SET WITH CRANKSHAFT SEALS $37.95 STIHL REPLACEMENT 47 MM SHORT BLOCK. ASSEMBLED IN THE USA $137.95 Husqvarna 246 Piston Assembly 44mm $29.95 STIHL MS361 CRANKSHAFT SEALS $9.95