Mahle Alternator 14V 120A Double Groove Pulley - Sparex Part S.127849The Sparex S. 127849 Alternator by Mahle is engineered to meet the high electrical demands of modern tractors and agricultural machinery, providing consistent voltage to critical components such as control systems, lighting, and accessories. Operating at 14 volts with a robust 120 amp output, this alternator features a double groove pulley with a diameter of 76. 1mm, ensuring optimal belt grip and efficient performance in heavy duty engine