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• 100% full-load tested for proven starting/charging performance
• No other original equipment alternator or starter manufacturer charges as many batteries as Bosch in the Nextel Cup Series because the Bosch Professional Preferred 100% New Alternators provide more power under extreme, high-demand conditions.
• 100% new premium quality components, including major heat related/wear items: rectifier, regulator, rotor, stator and bearings withstand excessive heat and high electrical demands.

• New Aftermarket Part (Not Rebuilt/Refurbished/Repurposed )
• Please verify this is the right part number before ordering.
• Single Groove Pulley, 2 Inch mounting foot, with 5/16 Threaded Adjusting Ear, Single Wire Hook-up

• No other original equipment alternator or starter manufacturer charges as many batteries as Bosch in the Nextel Cup Series because the Bosch Professional Preferred 100% New Alternators provide more power under extreme, high-demand conditions.
• 100% full-load tested for proven starting/charging performance
• Bosch Professional Preferred 100% New Alternators are 100% full-loaded tested to meet or exceed original equipment manufacturers' amperage and voltage output standards for proven charging performance.

• Brushes, armatures, rotors, rectifiers, regulators, and other components are built with durability and performance comparable to OE
• Stringent efficiency and cycling tests are performed, with a copy of performance metrics results enclosed with every unit
• 100% new units produced by an OE supplier, no hassles with core charges

• Made in the USA
• Reliable power at a good price
• Powermaster warrants its products to be free from defects in material and workmanship for one year from the date of purchase