QUALITY-BUILT new and remanufactured alternators are engineered for dependable performance and long service life. Built from premium-grade materials and 100% end-of-line tested, each unit meets or exceeds OE specifications for output and durability-delivering consistent voltage to power your vehicle's electrical system. Every alternator includes 100% new sealed bearings, high-capacity diodes, and brushes designed for optimal conductivity and reduced resistance. Stators and rotors are rigorously tested and double-coated for superior corrosion protection, while slip rings are precision-polished to minimize wear and maintain smooth voltage output. From daily commutes to heavy electrical loads, QUALITY-BUILT Alternators are built to restore and maintain system reliability-mile after mile.