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

• 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.
• 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.

• Combines 100% new housing & components with the advanced engineering, durability testing and root cause analysis of our Premium series
• Quality-Built Supreme Alternators are designed with your needs in mind
• Results in a line of 100% new Alternators, engineered from the ground up to offer unsurpassed performance and dependability

• Checks status of alternator lik Good/Faulty
• Indicates status of battery
• Checks status of battery like full/partial/low charge

• 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-loaded tested to meet or exceed original equipment manufacturers' amperage and voltage output standards for proven charging performance.
• 100% full-load tested for proven starting/charging performance