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... 20" REPLACEMENT CHAINSAW CHAIN, 78DL .325 16" REPLACEMENT CHAINSAW CHAIN 66DL .325 16" BAR & CHAIN COMBO .325", .058", 66DL 16" CHAINSAW CHAIN, 66DL .325", .050" 66 drive link Our Price: $24.95 Add Our Price: $19.95 Add Our Price: $35.95 Add Our Price: $19.95 Add 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 18" REPLACEMENT CHAINSAW CHAIN 72DL .325 18" OREGON PROLITE BAR AND CHAIN COMBO Our Price: $9.95 Add Our Price: $54.95 Add Our Price: $21.95 Add Our Price: $62.95 Add Share your knowledge of this product with other customers... Be the first to write a review PISTON KIT, 40MM, REPLACES PART # 530069454 $19.95 STIHL 015, 015AV, 015L, ELECTRONIC IGNITION COIL, NEW, REPLACES PART # 1 $49.95 POULAN SIDE COVER AND CHAIN BRAKE ASSEMBLY, REPLACES PART # 545139906 $24.95 STIHL 029 REPLACEMENT AIR FILTER PART# 1127-120-1621 $14.95 POWER SHARP 16" BAR AND CHAIN COMBO .050" 3/8" 56DL LO PROFILE COMBO $41.95