[BOSCH EXPERTISE] - Bosch 100% new alternators benefit from more than 100 years of alternator manufacturing experience, ensuring years of reliable charging performance, even under the most extreme operating conditions [PROVEN RELIABILITY] - Engineered, manufactured, and 100% tested to the highest industry standards Bosch is famous for, using all new, not remanufactured, components for maximum reliability and performance [100% NEW COMPONENTS] - Bosch 100% new alternators incorporate only original equipment quality components to withstand the rigors of high heat environments and high electrical demand Cross Reference Numbers: 0121541302, 0131548202, 0131548602, 0141540102, 4631500150, A0121541302, A0131548202, A0131548602, A0141540102 Cross Reference Numbers: A4631500150, 1304701BO, 13953N, 440452, 401221062, DRB3670, AL0789N, 0124615044, 0124615020, 0124615049, 0124615012, 0124615073 [ADVANCED ENGINEERING] - Identical in fit and function to the OE parts they replace, yet benefiting from the latest enhancements in engineering and charging technology for exceptional performance [ENHANCED CAPABILITY] - The perfect solution for certain problematic late-model applications that place an extreme burden on unit components in a high-heat environment