8 Fairfax St SE
NAPA Auto Parts Genuine Parts Company
8 Fairfax St SE
Leesburg,  VA  20175
(703) 777-2055
Reserve Online Participant
Store Hours
Mon-Fri:7:30 AM-7:00 PM
Sat:8:00 AM-5:00 PM
Sun:9:00 AM-5:00 PM
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Alternator - Remfd
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Alternator - Remfd

Part #: DEN 2100451

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Features & Benefits

Warranty: Standard : Warrantied to be Free from Defects in Workmanship or Material for One Year from Date of Purchase. Breach of Warranty is Limited to Free Exchange of Product if Part Found to be Defective. Liability for Neglect, Misuse or Incidental Damages is Disclaimed.


Bearing 100% Tested To OEM Specifications And Repacked With OEM Grade Lubricant.

  • Stator Insulation And Rotor Performance Tested To 600 Volts.
  • Housing Re-Tapped To OEM Specifications And Damage-Checked For Heat Warping, Corrosion, Or Improper Surface Alignment.
  • Hardware 100% Stripped And Replated
  • Rectifier Performance Tested To 300 Volts
  • Voltage Regulator 100% Voltage Tested To OEM Specification
  • Slip Ring Re-Machined To An Average Of 8 Microns (20 Micron Run-Out Maximum)
  • Premium Cores And Precise OE Assembly Benchmarks
  • Design To Meet The Grueling Heat And Electrical Requirements
  • First Time Fit® Provides Perfect Mounting With No Belt/Pulley Alignment Issues
  • OE-Quality Fit, Appearance, And Durability
  • Full Compatibility With Sensitive Electronics Systems


Pulley Belt Type Serpentine
Pulley Included Yes
Ground Type Negative
Fan Type Internal
VMRS Code 031001000
Regulator Type Internal
Brand Denso
External Regulator Included Yes
Case Color Polished Aluminum
Contents (1) Alternator Assembly
Amperage Rating 100 A
Contains VOCs No
Voltage 12 V
One Wire Capable No
Rotation Direction Clockwise
Case Material Aluminum
SDS Required No
Pulley Groove Quantity 7

Safety Information

Vehicle Fitment Guide

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