Please Help - H2 Alternator Questions

[Easy Ed]

Looked up a NAPA one for a 2003.

Part Number: NNE 1N4812HO
Product Line: NAPA New Electrical


Attributes:Alternator Amperage : 200 Amp
Pulley Type : 6 Groove
Voltage Regulator Type : Internal

Features and Benefits: Bearings: 100% New Electric Motor Quality. Extreme Temperature Grease & High Temperature Double Lip Seal.
New Specially Designed Rotor & Stator Are Designed For The Maximum Output.
New Slip Rings Are Precision Polished.
Rectifiers 100% New, Press Fit Welded Construction w/ 70 Amp Diode.
All Brushes Are 100% New High Quality Brushes.