Husqvarna 506450501 Chainsaw Carburetor Genuine Original Equipment Manufacturer (OEM) Part This part is compatible with models including; 358381800,965167936,435,435E,440E Carburetor 506450501 mixes air and gas before the fuel mix goes to the engine Genuine Original Equipment Manufacturer (OEM) part. Compatible Brands: Husqvarna,Craftsman This carburetor (part number 506450501) is for chainsaws Wear work gloves to protect your hands and work in a well-ventilated area during this repair