This is Husqvarna's 596947501 (OEM) Original Equipment Manufacturer Part SPRAYER SHUTOFF SERVICE KIT. Fits Specific Husqvarna Models That Require Part#596947501. It Also Will Fit Other Husqvarna Produced Brands that Require this Part596947501(AYP, Craftsman, Jonsered, McCulloch, Poulan, Poulan Pro, RedMax, Weed Eater)