MTD Genuine Parts Deck Wash Kit for Lawn Mowers and Tractors 2005 and After Fits most Troy-Bilt, MTD, Yard-Man, Yard Machines, Huskee and Bolens tractors and walk-behind mower decks, 2005 and after Attaches easily to garden hose Removes grass and dirt from tractor and mower decks 1 kit needed for walk-behind mower decks, as well as for 42" tractor decks and 2 kits needed for 46", 50" and 54" tractor decks Replaces O.E. # 721-04041, 737-04003D, 731-07487. Refer the user guide below for Installation steps