The Zetor 939913 rectifier system is an original equipment manufacturer (OEM) part designed to convert alternating current (AC) from the alternator into direct current (DC) for the tractor's electrical system. This genuine Zetor component ensures reliable power regulation and charging, crucial for the optimal performance of Zetor tractor models including the 5211, 5245, 6211, 6245, 7211, 7245, 7711, 7745, 3320, 3321, 3340, 3341, 4320, 4321, 4340, 4341, 5320, 5321, 5340, 5341, 6320, 6321, 6340, 6341, 7320, 7321, 7340, 7341, 8621, 8641, 9621, 9641, 10641, 11641, 12461, 11441, 11741, 11741-4C, 11741-4D, 12145, 12245, 14145, 14245, 16145, 16245, 7520, 7540, 8520, 8540, 9520, 9540, 10540, 7520, 7540, 8520, 8540, 9520, 9540, 10540, 10211, 10245, 11211, 11245, 12211, 12245, 14211, 14245, 16211, 16245, 18345, 8011, 8045, 12011, 12045, 16045, 16145, 8111, 8145, 10111, 10145, 12111, 12145, 14111, 14145, 16111, 16145, 8211, 8245, 9211, 9245, 10211, 10245, 11211, 11245, 12211, 12245, 14211, 14245, 16211, 16245, 18345, 7011, 7045, 5011, 6011, 6045, 5045, 5511, 5545, 5711, 5718, 5745, 5748, 6711, 6718, 6745, 6748, 4911, 5911, 5945, 6911, 6945, 3011, 4011, 2011, 2023, 2511, 3511, 3545, 4511, 4545, 5611, 5645, 5647, 6811, 6845, 7811, 7845, 4712, 4718, 4911, 5911, 5945, 6911, 6945, 7011, 7045, 7201, 7245, 7701, 7745, 8011, 8045, 10011, 10045, 12011, 12045, 16045, 16145, 8111, 8145, 10111, 10145, 12111, 12145, 14111, 14145, 16111, 16145, 8211, 8245, 9211, 9245, 10211, 10245, 11211, 11245, 12211, 12245, 14211, 14245, 16211, 16245, 18345, 2511, 3511, 3545, 4511, 4545, 5511, 5545, 5611, 5645, 5647, 5711, 5718, 5745, 5748, 6711, 6718, 6745, 6748, 6811, 6845, 7811, 7845, 4712, 4718, 4911, 5911, 5945, 6911, 6945, 7011, 7045, 7201, 7245, 7701, 7745, 8011, 8045, 10011, 10045, 12011, 12045, 16045, 16145, 8111, 8145, 10111, 10145, 12111, 12145, 14111, 14145, 16111, 16145, 8211, 8245, 9211, 9245, 10211, 10245, 11211, 11245, 12211, 12245, 14211, 14245, 16211, 16245, 18345, 2011, 2023, 2511, 3011, 3511, 3545, 4011, 4511, 4545, 5011, 5045, 5511, 5545, 5611, 5645, 5647, 5711, 5718, 5745, 5748, 6011, 6045, 6711, 6718, 6745, 6748, 6811, 6845, 7011, 7045, 7201, 7245, 7701, 7745, 7811, 7845, 8011, 8045, 8111, 8145, 8211, 8245, 9211, 9245, 10011, 10045, 10111, 10145, 10211, 10245, 11211, 11245, 12011, 12045, 12111, 12145, 12211, 12245, 14111, 14145, 14211, 14245, 16045, 16111, 16145, 16211, 16245, 18345. It is a critical component for maintaining the electrical integrity of your Zetor machinery.