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 20" REPLACEMENT CHAINSAW CHAIN 78DL .325 JONSERED 2050 TURBO, 2045 TURBO, 2041 TURB0 CLUTCH PART # 503173102, USA SHIP 16" CHAINSAW CHAIN, 66DL .325", .050" 66 drive link Our Price: $62.95 Our Price: $24.95 Our Price: $29.95 Our Price: $19.95 HUSQVARNA STARTER HANDLE REPLACES PART # 503543901 18" REPLACEMENT CHAINSAW CHAIN 72DL .325 JONSERED 20" BAR & CHAIN COMBO FITS 2149 520SP, 525, 535 450, 455 490, 590, 49SP 510 2150 2153 2152 2145 2141 2050 2045 2041 HUSQVARNA, JONSERED WRIST PIN BEARING, HIGH QUALITY, REPLACES 501451601 Our Price: $3.95 Our Price: $21.95 Our Price: $54.95 Our Price: $9.95 Share your knowledge of this product with other customers... Be the first to write a review CYLINDER GASKET, REPLACES PART # 1108-029-2300 $5.00 HOMELITE 16" BAR AND CHAIN 3/8" PITCH 59 DL $39.95 OREGON 100' ROLL OF 72DP PROFESSONAL SAW CHAIN NIB $399.95 OREGON 72DP PROFESSONAL SAW CHAIN, FITS 20" BAR NIB $18.95 16" CHAIN 60DL 3/8 FIT STIHL 031 032 034 036 041 038 039 MS310 MS311 MS390 MS391 $17.95 STIHL REPLACEMENT SPROCKET BEARING, NEW $7.99 STIHL 026, 026PRO, MS260, MS260 PRO, 024, 024 SUPER $19.95