Wilson 91-01-4012 Remanufactured Heavy-Duty Alternator

The Wilson 91-01-4012 is a professionally remanufactured alternator engineered to deliver OE-quality performance for heavy-duty applications. This unit undergoes rigorous testing and refurbishment using processes similar to new alternator manufacturing, ensuring reliable electrical power generation for demanding commercial vehicles.

Key Features:

• Comprehensive remanufacturing process with inspection, testing, and replacement of critical components
• Rectifier load tested and replaced as necessary to ensure effective battery charging
• Voltage regulator tested and upgraded to provide proper charging power
• Insulators, brushes, and terminal hardware inspected and replaced to prevent electrical resistance failures
• Performance tested prior to shipping with serialized test report documenting unit-specific performance
• Built to withstand extreme operating conditions in commercial applications
• Meets or exceeds original equipment standards for quality and reliability

Wilson has over 80 years of experience manufacturing and remanufacturing starters, alternators, and electrical components for automotive, heavy-duty truck, agricultural, industrial, marine, and construction applications. Each Wilson alternator is backed by strict quality standards and comprehensive testing protocols to ensure years of trouble-free operation.