MTD 841-031656S Cutting Head Assembly Genuine OEM MTD Part Fits MTD models:TBP3160 (41AD316G966), TBP6160 (41AD616G966), TB6040XP (41DD604C966), TB6042XP (41ADZ4PC066), TB6042XP (41ADZ4PC766), TB6042XP (41ADZ4PC966), TB6042XP (41BDZ4PC766), TB2044XP, TB2040XP, TB6044XP (41ADF6PC766) and TBP6040 (41AD604C966) string trimmers Replaces old part numbers:796-00072 and 796-00033