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... JONSERED 18" BAR & CHAIN COMBO FITS 520SP, 525, 535 450, 455 490, 590, 49SP 510 & OTHERS 16" CHAINSAW CHAIN, 66DL .325", .050" 66 drive link 18" REPLACEMENT CHAINSAW CHAIN 72DL .325 REPLACEMENT PRO 2 PIECE SPROCKET, .325" PITCH, NEW Our Price: $44.95 Add Our Price: $19.95 Add Our Price: $21.95 Add Our Price: $19.95 Add 16" REPLACEMENT CHAINSAW CHAIN 66DL .325 HUSQVARNA, JONSERED CRANKSHAFT SEALS, REPLACES PART # 505275719 18" CHAINSAW CHAIN, 72DL .325 OREGON 100' ROLL OF .325 PITCH, .058 GAUGE CHISEL CHAIN Our Price: $19.95 Add Our Price: $9.95 Add Our Price: $21.95 Add Our Price: $399.95 Add Share your knowledge of this product with other customers... Be the first to write a review HUSQVARNA JONSERED INTAKE CLAMP ASSEMBLY NEW AND IMPROVED, REPLACES PART # 537251302 $9.95 NEW CYLINDER & PISTON KIT 66MM, FITS STIHL 090, 090AV, PART # 1106-020-1211 $109.95 PISTON & CYLINDER KIT PART# 537157302 NEW $99.95 STIHL REPLACEMENT PROFESSIONAL SPROCKET $19.95 COMPLETE CARBURETOR KIT FOR WALBRO HD CARBURETORS,NEW $14.00 HUSQVARNA 50, PISTON & RINGS, 45MM, # 503167701, NEW $29.95 REPLACEMENT GAS LINE & FUEL FILTER FOR STIHL CHAIN SAWS $11.95