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... 16" BAR & CHAIN COMBO FOR CHAINSAWS, .325 REPLACES SPUR SPROCKET, .325" PITCH, NEW 18" CHAINSAW CHAIN, 72DL .325 HUSQVARNA, JONSERED IMPULSE HOSE CONNECTOR FITS 55, 55 RANCHER, 51, 50, 49, 45, 40, OEM Our Price: $37.95 Add Our Price: $19.95 Add Our Price: $21.95 Add Our Price: $7.95 Add HUSQVARNA, JONSERED WRIST PIN BEARING, HIGH QUALITY, REPLACES 501451601 JONSERED 20" BAR & CHAIN COMBO FITS 2149 520SP, 525, 535 450, 455 490, 590, 49SP 510 2150 2153 2152 2145 2141 2050 2045 2041 OREGON 100' ROLL OF .325 PITCH, .050 GAUGE CHISEL CHAIN 18" BAR & CHAIN COMBO FOR CHAINSAWS, .325 Our Price: $9.95 Add Our Price: $54.95 Add Our Price: $399.95 Add Our Price: $44.95 Add Share your knowledge of this product with other customers... Be the first to write a review GASKET SET REPLACES 501879604 $11.95 STIHL CYLINDER & PISTON, 40MM, REPLACES STIHL # 1123-020-1219 $49.95 28" REPLACEMENT PRO CHAIN, .058" 3/8" $26.95 STIHL REPLACEMENT CRANKCASE REPLACES PART # 1130-020-3033 OR 1130-020-3034 $39.95 BIG BORE POP UP PISTON KIT STIHL 044 044 MAGNUM MS440 MS440 MAGNUM 52MM KIT $34.95 STIHL REPLACEMENT STARTER KIT, FOR FRICTION STYLE STARTERS $21.95 ENGINE OVERHAUL KIT FITS BRIGGS VANGUARD MODEL38 CUBIC INCH .010" OVERSIZE PISTONS RODS GASKETS $429.95 STIHL MS240 REPLACEMENT PISTON PART# 1121-030-2005,NEW $29.95 STIHL 090 REPLACEMENT PROFESSIONAL REPLACEMENT SPROCKET, REPLACES PART # 1106-040-2015 $29.95