Quality-Built 140-15104 HD 140 Amp Remanufactured Alternator

The Quality-Built 140-15104 is a heavy-duty remanufactured alternator delivering 140 amps of output to meet the demands of high-load electrical systems. Engineered by Motor Car Parts of America (MPA), one of the world's largest remanufacturers of starters and alternators, this unit is built to match or exceed original equipment specifications in fit, form, and function.

Quality-Built alternators undergo a comprehensive remanufacturing process — every wear-prone component is replaced regardless of its apparent condition, ensuring the finished unit performs like new. Each alternator is individually load-tested on proprietary testers across a full range of operating conditions before leaving the facility.

Key Features:

• 140-amp output for high-demand electrical systems and heavy-duty applications
• Housings are 100% blast-cleaned; mounting threads inspected and re-tapped for consistent torque
• Rotors electronically tested and coated with high-dielectric insulation for maximum durability
• Stators electronically tested for maximum insulation quality and phase balance
• Rectifiers load-tested to ensure long-term charging performance
• New brushes, springs, and bearings with high-temperature grease to reduce heat and friction
• Slip rings precision-polished for maximum output efficiency
• Voltage regulator tested for correct operating voltage
• Pulleys plated or powder-coated for corrosion resistance
• 100% OE-quality terminals with high-temp insulators for secure, reliable connections
• Manufactured under strict QS-9000 quality guidelines

The Quality-Built 140-15104 HD alternator is the professional-grade choice for reliable charging system restoration, trusted by shop technicians and serious DIYers alike.