Quality-Built 173-55105 HD Heavy-Duty Remanufactured Alternator

The Quality-Built 173-55105 is a heavy-duty (HD) remanufactured alternator engineered to meet or exceed original equipment (OE) voltage and amperage output specifications. Manufactured by Motor Car Parts of America (MPA), one of the industry's leading remanufacturers of starters and alternators, this unit is built for demanding applications that require consistent, reliable charging performance.

Key Features:

• 100% End-of-Line Tested: Every unit undergoes full load-based performance testing across a complete range of operating conditions before leaving the facility
• OE-Grade Components: Features 100% new sealed bearings, high-capacity diodes, and brushes for extended service life and optimized charging efficiency
• Precision-Polished Slip Rings: Variable-load-tested voltage regulators deliver smooth, stable current output across all RPM ranges
• Heavy-Duty Construction: Double-coated rotors and multi-phase tested stators provide superior corrosion resistance and long-term durability
• High-Quality Copper Windings: Stator and rotor coils use quality copper with high-temperature polymer coating for reliable conductivity under extreme heat
• Premium Bearings: High-quality steel bearings packed with extreme-temperature lubricant and double groove seals prevent grease leakage for quiet, long-lasting operation
• ISO/TS 16949 Certified Manufacturing: Produced in certified facilities following stringent engineering and quality control processes

The Quality-Built 173-55105 HD alternator is an ideal solution for vehicles with higher electrical demands, delivering dependable charging output to keep batteries charged and electrical systems running at peak performance.