Stens 255-293 Warner Electric PTO Clutch. REPLACES OEM: Cub Cadet: 717-3385, 717-3385A, 717-3385AP, 717-3385B, 917-3385, 917-3385A, 917-3385B, MTD: 717-3385, 717-3385A, 717-3385AP, 717-3385B, 917-3385, 917-3385A, 917-3385B, Troy-Bilt: 717-3385, 717-3385A, 717-3385AP, 717-3385B, 917-3385, 917-3385A, 917-3385B, Warner: 5217-14, 5217-42, 5217-7. ID: 1", Height: 3 1/2", Diameter Pulley: 5 5/16", Direction: Counter clockwise, Uses belt width: 1/2 or 5/8", Designed For: Rugged use, For Proper Ordering: Reference Warner or Ogura part numbers stamped on clutch.