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... 18" OREGON PROLITE BAR AND CHAIN COMBO REPLACEMENT STARTER SPRING, REPLACES OEM #501763101. NEW JONSERED 20" BAR & CHAIN COMBO FITS 2149 520SP, 525, 535 450, 455 490, 590, 49SP 510 2150 2153 2152 2145 2141 2050 2045 2041 16" BAR & CHAIN COMBO FOR CHAINSAWS, .325 Our Price: $62.95 Our Price: $9.95 Our Price: $54.95 Our Price: $37.95 16" CHAINSAW CHAIN, 66DL .325", .050" 66 drive link REPLACEMENT PRO 2 PIECE SPROCKET, .325" PITCH, NEW 16" REPLACEMENT CHAINSAW CHAIN 66DL .325 REPLACES SPUR SPROCKET, .325" PITCH, NEW Our Price: $19.95 Our Price: $19.95 Our Price: $19.95 Our Price: $19.95 Share your knowledge of this product with other customers... Be the first to write a review FUEL TANK FITTING & SHUT OFF VALVE 1/8" NPT FITS CUB CADET BRIGGS KOHLER GRAVELY $9.95 NEW 40 OVERSIZE PISTON&RING KIT, GASKET KIT FITS GRAVELY 5, 6.6 & 7.6 HP L HEAD ENG $129.95 1 NEW KOHLER GOVENOR GEAR FIT K90 K91 K161 K241 K301 K321 K341 K361 M16 M14 M12 M10 M8 M18 M20 KT17 KT19 MV18 MV20 MV16 K181 # A-235743-S $29.95 TOP END GASKET OVER HAUL KIT $7.99