Quality-Built 146-37143 Heavy-Duty Remanufactured Alternator

The Quality-Built 146-37143 is a heavy-duty remanufactured alternator engineered to meet or exceed original equipment (OE) specifications for reliable charging system performance. Designed for demanding applications, this HD alternator delivers consistent voltage output to keep your vehicle's electrical system running strong.

Key Features:

• Heavy-Duty Construction: Built to handle increased electrical loads and tough operating conditions
• OE-Quality Terminals: High-temp insulators ensure secure, reliable connections
• Electronically Tested Rotor: Coated with high dielectric insulation for maximum durability and charging performance
• Premium Bearings: Inspected or replaced new, packed with high-temperature grease to reduce heat and friction
• 100% Tested Stator: Electronically verified for maximum insulation quality and phase balance
• Load-Tested Rectifier: Ensures long-term alternator durability and consistent charging output
• New Brushes and Springs: Replaced for extended service life and optimal charging performance
• Clean Housing: 100% blast-cleaned with inspected and re-tapped mounting threads for easy installation

Manufactured in ISO/TS 16949 certified facilities under strict QS-9000 quality guidelines, every Quality-Built alternator undergoes rigorous durability testing and 100% end-of-line testing before leaving the factory. The QB Heavy-Duty alternator is the ideal choice for professional installers and serious DIYers who demand long-lasting, dependable performance.