The Fiatagri 9967420 is an authentic OEM voltage regulator designed for use with Lima Marelli F140 alternators in various Fiatagri agricultural machinery. This critical component ensures the stable and correct voltage output from the alternator, protecting the electrical system and battery from overcharging or undercharging. Manufactured to original specifications, it guarantees reliable performance and compatibility with specified Fiatagri models, maintaining the integrity of the machine's electrical system.