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 STARTER HANDLE REPLACES PART # 503543901 HUSQVARNA, JONSERED CRANKSHAFT SEALS, REPLACES PART # 505275719 JONSERED 18" BAR & CHAIN COMBO FITS 520SP, 525, 535 450, 455 490, 590, 49SP 510 & OTHERS HUSQVARNA, JONSERED WRIST PIN BEARING, HIGH QUALITY, REPLACES 501451601 Our Price: $3.95 Add Our Price: $9.95 Add Our Price: $44.95 Add Our Price: $9.95 Add JONSERED 20" BAR & CHAIN COMBO FITS 2149 520SP, 525, 535 450, 455 490, 590, 49SP 510 2150 2153 2152 2145 2141 2050 2045 2041 18" BAR & CHAIN COMBO FOR CHAINSAWS, .325 16" BAR & CHAIN COMBO FOR CHAINSAWS, .325 16" CHAINSAW CHAIN, 66DL .325", .050" 66 drive link Our Price: $54.95 Add Our Price: $44.95 Add Our Price: $37.95 Add Our Price: $19.95 Add Share your knowledge of this product with other customers... Be the first to write a review STIHL 48MM REPLACEMENT PISTON KIT. REPLACES PART #1125-030-2001 $24.95 REPLACEMENT GRINDING STONE FOR CHAINSAW SHARPENER 1/8" $29.95 JONSERED REPLACEMENT SPROCKET, 3/8" PITCH, NEW $19.95 ECHO CS-450 REPLACEMENT PISTON KIT, 43MM, PART # P021016160 $29.95 STIHL MS291, MS271, MS261, 7 TOOTH 3/8" SPROCKET, REPLACES PART # 1141-640-2003 $19.95 2 NEW SEARS SUBURBAN CRAFTSMAN MOWER AXLE SEAL 4910H FITS SEARS 917-25751 $19.98