Feature Long and safe service life with integrated waterproof connection with triple wire protection. Stainless steel brake rivets. The pulley bearing size is increased to increase the bearing life. The bearing is high-tech with high-temperature grease to reduce breakdown and ensure a long service life. Features: 1.0″ Crankshaft Only, 6.00″ Pulley, 5/8″ Belt, 125 ft-lbs Torque Warner Compatibility: 5219-164, 5219-135, 5219-136, 5219-137, 5219-77, 5219-171, 5219-170, 5219-107, 5219-159, 5219-158, 5219-177, 5219-164 ARIENS: 00480600 GRAVELY: 00480600 XTREME: X0127, X0127-K, X0337, X0337-K, X0338??X0338-K, X0502, X0339??X0339-K, X0545, X0377??X0377-K, X0557, X0718, X0585, X0331, X0722, X0726, X0732, X0736, X0741 Toro??112-6044, 127-3410, 119-8941 Cadet??717-05123, 717-05123A, 917-05123, 917-05123A, 717-05000, 917-05000, 917-05188, 917-05209, 917-05192 MTD??717-05123, 717-05123A, 917-05123, 917-05123A, 717-05000, 917-05000, 917-05188 Troy-Bilt??717-05123, 717-05123A, 917-05123, 917-05123A Exmark??127-3410 Craftsman??917-05188 Hustler??604713K