MTD 984-0042C Friction Wheel Assembly For MTD 1992, 2-stage snow throwers MTD original equipment part 90-day warranty for defects in material or workmanship Replaces 684-0042, 684-0042A, 684-0042B, 684-0042C, 618-0064, 784-5617A, 984-0042B and OEM-684-0042