Bosch AL0843N / 0121715115 Remanufactured Alternator Premium 100 percent remanufactured Alternator Built for extremes All Bosch Alternators are designed to perform equal to or better than the original equipment parts, that they replace All Bosch Alternators are designed to be identical in fit and performance to original equipment parts Bosch Alternators are 100 percent factory tested to ensure reliable performance, under extremes of heat, cold and high demand