Craftsman 753-06897 Line Trimmer Gearbox Assembly Genuine OEM MTD Part Fits Various Craftsman Models Including: 316.99008 (41ADY24C799), 316.711190 (41ADZ22C799), 316.794450 (41ADZ2CC799), 316.711191 (41ADZ33C799), 316.725860 (41ADZ51C799), 316.792540 (41AJSS-C799), 316.711191 (41BDZ22C799_ Craftsman String Trimmer (Sears), MS2560 (41ADZ22C768), MS2560SE (41ADZ34C768) The Line Trimmer Gearbox Attaches To The Housing