Stens 255-543 Electric PTO Clutch Replaces: Craftsman: 717-1709, 917-1709 Cub Cadet: 717-1709, 917-1709 MTD: 717-1709, 917-1709 Troy-Bilt: 717-1709, 917-1709 Warner: 5215-130 White: 717-1709, 917-1709 For proper ordering, reference Warner or Ogura part number stamped on clutch Installation: to prevent premature clutch failure, Follow the instruction sheet included with the clutch