Voltage Regulator
Hover over the image to zoom in
Voltage Regulator Voltage Regulator
Share this:

CARQUEST by BWD Voltage Regulator

Part No. R401 Warranty Details  

See if this part fits a specific vehicle.

Check Vehicle Fit

CARQUEST by BWD is an aftermarket leader, providing a premium line of engine management products. BWD manufactures and distributes high technology critical components for late model domestic and import vehicles. BWD is constantly evolving to give customers the competitive edge they need to compete in today’s ever-changing marketplace.

Product Features:
  • Our premium voltage regulators use only the highest grade components and are engineered with our own manufactured circuit boards for precise operation, reliability, and extra durability for a longer service life
  • Our electronic voltage regulator PC boards are encapsulated in epoxy to deliver improved performance and resistance to failure that may be caused by vibration and corrosion of electrical connections
  • We understand and expect the demand for quality, our starting and charging system products feature high grade materials for extended service life
Back To Top
Connector Gender:Female
Terminal Gender:Male

Do you have questions about this product?


Ask a question, get answers from real customers and in-house experts. For further assistance, please review your support options on our Contact Us page.

1 Question | 2 Answers
Displaying question 1
  • Q:

    Where is located in the exposition 2002 ,4d. 5.4
    Asked on 1/21/2013 by celly from 3113

    2 answers



      For further assistance regarding the BWD Voltage Regulator (Part No. R401), please provide the exact make, and model of your vehicle. For more information, please feel free to call us at 1-877-238-2623 or visit your nearest Advance Auto Parts store and one of our representatives would be more than happy to assist you.

      Answered on 1/22/2013 by Steve from AAP
    • A:

      Screwed to the back of the alternator 4 screws #20 torques and unplug the 3 wire plug.

      Answered on 8/11/2013 by Hot rod 70 from Lakeland Florida.
Displaying question 1

Do you have a question about this product? 

Check out the specials in our monthly flyer.
Disclaimer We strive to keep all information accurate and up-to-date; however, product availability, pricing, promotions and store hours are subject to change without notice. Please contact Customer Care if you have any questions or corrections.