DENSO 2100390 First Time Fit Remanufactured Alternator

The DENSO 2100390 is a remanufactured alternator that delivers the same quality and performance as original equipment. DENSO alternators are trusted as OE components on many of the world's top vehicles and are proven in demanding motorsports applications where their light weight, high efficiency, and durability under extreme conditions make them the preferred choice.

Rigorous Remanufacturing Process:

• Stators and rectifiers tested to 300 volts for reliable performance
• Rotors subjected to 600-volt testing to ensure durability
• Rotor slip rings buffed to an 8-micron surface finish with runout limited to 20 microns, minimizing brush wear
• Bearings validated to OE standards and loaded with premium OE-grade lubricants
• Premium cores assembled to precise OE benchmarks

First Time Fit Guarantee:

This alternator meets DENSO's rigorous First Time Fit standards, ensuring proper mounting with no belt or pulley alignment issues. Designed to handle the electrical demands of modern vehicles with their numerous sophisticated electronic systems, this alternator meets or exceeds all manufacturer standards for fit, appearance, and durability.

Key Benefits:

• OE-quality construction and performance
• Engineered to withstand extreme heat and electrical requirements
• Full compatibility with sensitive vehicle electronics
• Trouble-free installation preferred by service professionals
• Reliable charging system performance for years of service