Quality-Built 166-15103 Heavy-Duty Remanufactured Alternator 12V 85A

The Quality-Built 166-15103 is a heavy-duty remanufactured alternator engineered to deliver dependable charging performance in demanding industrial and construction equipment applications. Cross-referencing OEM number 166-15103 (16615103), this 12-volt, 85-amp unit is built to meet or exceed original equipment specifications for output and durability.

Quality-Built is the largest remanufacturer of import starters and alternators in North America, and every unit is produced in ISO/TS 16949 certified manufacturing facilities using select-grade components and advanced remanufacturing processes.

Key Features:

• Heavy-Duty Construction: Re-engineered to withstand the tough demands of industrial and off-highway equipment operation
• 12V / 85A Output: Delivers consistent voltage and amperage to meet OE charging system requirements
• 100% End-of-Line Tested: Every unit is individually tested across a full range of operating conditions before leaving the facility
• New Bearings: Replaced with premium bearings packed with high-temperature grease for reduced heat, friction, and long service life
• Electronically Tested Rotor & Stator: Rotors are coated with high-dielectric insulation; stators are tested for maximum insulation quality and phase balance
• Load-Tested Rectifiers: Verified for alternator durability and sustained charging performance under variable electrical loads
• OE-Quality Terminals & Housing: Housings are blasted clean with all mounting threads inspected and re-tapped for consistent torque and easy installation
• Precision-Polished Slip Rings: Minimize wear and ensure smooth, stable voltage output across all RPMs
• Corrosion-Resistant Pulley: Plated or powder-coated for maximum protection in harsh operating environments

OEM Cross-Reference: 166-15103 / 16615103 / 2871A303 / 2871A300 / 305-3661 / 339-7766 / 394-3496 / 90-19-2514

The Quality-Built 166-15103 heavy-duty alternator is the professional-grade solution for restoring reliable electrical output to your equipment's charging system.