Quality-Built 13978 Remanufactured Alternator - 150 Amp 12V

The Quality-Built 13978 is a premium remanufactured alternator engineered to deliver reliable charging performance for your vehicle's electrical system. Operating at 12 volts and delivering 150 amps, this alternator features a 6-groove serpentine pulley with clockwise rotation for proper belt engagement.

Premium Remanufacturing Process:

• Housings are 100 percent blasted clean, all mounting threads inspected and re-tapped for easy installation
• Rotors are electronically tested and coated with high dielectric insulation for maximum durability
• Stators are electronically tested for maximum insulation quality and phase balance
• Rectifiers are load tested to ensure alternator durability and charging performance
• Brushes and springs are new to ensure long life and charging performance
• Terminals are of 100 percent OE-quality with high-temp insulators for secure connections

Quality Built for Reliability:

• Pulleys are plated or powder coated for maximum corrosion protection
• Slip rings are precision polished for maximum output
• Voltage regulators are tested for correct operating voltage
• Bearings are inspected or new, with high-temperature grease for reduced heat and friction
• 100% end-of-line tested to meet or exceed OE specifications

This alternator replaces multiple OEM part numbers including 6W4Z10346AA, 19134493, and others. Quality-Built components are 100% End-of-Line tested and produced in IATF-16949 facilities, ensuring professional-grade quality and durability for demanding automotive applications.