100% new components to withstand harsh environments for the best performance and a long working life.
100% new premium-quality components, including major heat related/wear items (rectifier, regulator, rotor, stator and bearings), withstand excessive heat and high electrical demands
Bosch Professional Preferred 100% New Alternators are 100% full-load tested to meet or exceed the original equipment manufacturer's amperage and voltage output standards for proven charging performance
No other original equipment alternator or starter manufacturer charges as many batteries as Bosch in the Nextel Cup Series because Bosch Professional Preferred 100% New Alternators provide more power under extreme, high-demand conditions
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