PAC001474-Genuine Replacement 20" Mulching Blade for a Selection of Hyundai Machines OEM replacement part. Please check the right-hand side of this page for a full list of compatible machines. Before purchasing we recommend that you check the exploded view diagram with the diagram reference provided on this listing to be sure you have selected the part you need. At a Glance: PAC001474 - for a selection of Hyundai machines Part Number - PAC001474 OEM Part Diagram Reference(s) Per Model - HYM510SPEZ-C10; HYM510SPE-C11; HYM510SP-B11