Bosch has been a major supplier of new alternators to Original Equipment vehicle manufacturers since 1913. Denparts sell Alternators replacement for Bosch  Securing OE certification performance criteria. These Denparts Alternators replacement is the same exacting criteria are also applied in the manufacturing of all aftermarket alternators. Denparts Alternators replacement are quality built and 100% factory tested to ensure 1 years of reliable performance, even under the most extreme operating conditions.