Stens 255-839 Electric PTO Clutch Replaces: Cub Cadet: 717-04552, 717-04552A Huskee: 717-04552, 717-04552A MTD: 717-04552, 717-04552A Troy-Bilt: 717-04552, 717-04552A Warner: 5219-98 For Proper Ordering: Reference Warner or Ogura part numbers stamped on clutch Installation: To prevent premature clutch failure, follow the instruction sheet included with the clutch