[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 [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 ideal solution for certain problematic late-model applications that place an extreme burden on unit components in a high-heat environment 105 amp rating; Compatible with select vehicles (Note: vehicle trim level/engine may affect fitment - verify specific fitment details with fit checker above): CHEVROLET: 2001-04 Astro, 2002 Avalanche 1500, 2002 Avalanche 2500, 2001-02 C3500 Pickup Compatible with (continued): CHEVROLET: 1999-02 Silverado 1500, 1999-02 Silverado 2500, 2001-02 Silverado 3500, 2001-02 Suburban 1500, 2000-02 Suburban 2500, 2000-02 Tahoe; GMC: 2001-04 Safari, 1999-02 Sierra 1500, 1999-02 Sierra 2500 Compatible with (continued): GMC: 2001-02 Sierra 3500, 2000-02 Yukon, 2000-02 Yukon XL1500, 2000-02 Yukon XL 2500