NAPA Auto Parts Sterling, VA
45449 Severn Way
Sterling,  VA  20166-8918
(703) 378-6666
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Mon-Fri:8:00 AM-6:00 PM
Sat:8:00 AM-3:00 PM
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Alternator - Remfd - Standard 37-42 A

Alternator - Remfd - Standard 37-42 A

Part #: RAY 2134003
Line: NAPA Power Premium Plus

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Features & Benefits

Warranty: Standard : Warrantied to be free of defects in workmanship/materials for up to the lifetime of your vehicle. Please review the specific criteria pertaining to this warranty in the NAPA PDF warranty statement. This warranty is not transferable.


Bearings: 100% New Electric Motor Quality. Extreme Temperature Grease & High Temperature Double Lip Seal.

  • Rotor & Stator Are Electronically Tested For Maximum Output & Insulation Integrity.
  • Slip Rings Are Precision Polished, Turned Or Replaced.
  • Rectifier 100% Tested w/ The Latest Test Equipment Or Replaced w/ A New Rectifier.
  • All Brushes Replaced w/ 100% New High Quality Brushes.


Ground Type Negative
Fan Type External
VMRS Code 031001000
Quality Level Good
Regulator Type External
Amperage Rating 42 A
Voltage 12 V
SDS Required No
Pulley Type 1 Groove
Pulley Belt Type V-Belt
Pulley Included Yes
Pulley Outside Diameter 71 mm
Mounting Hardware Included No
External Fan Included Yes
Weight 7.9 lbs
Brand NAPA Power Premium Plus
External Regulator Included No
Contents (1) Alternator Assembly
Alternator Clock Position 12:00 o'clock
Contains VOCs No
New Or Remanufactured Remanufactured
One Wire Capable No
Rotation Direction Clockwise
Pulley Groove Quantity 1
Brushless No

Safety Information

Vehicle Fitment Guide

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