Voltage Regulator Rectifier 12V for HARLEY DAVIDSON Blackline FXS 74540-11
Voltage Regulator Rectifier 12V for Harley-Davidson Blackline FXS 74540-11
Voltage Regulator Rectifier 12V for Harley-Davidson Blackline FXS 74540-11
Voltage Regulator Rectifier 12V for Harley-Davidson Blackline FXS 74540-11
Voltage Regulator Rectifier 12V for Harley-Davidson Blackline FXS 74540-11

Voltage Regulator Rectifier 12V for Harley-Davidson Blackline FXS 74540-11

Item #: 230-22211

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If your order arrives and it’s not exactly what you want, you may return it within 30 days for a refund. We know that people sometimes order a part and then discover it’s not exactly the one they need for the repair. We understand and want to work with you. Just make sure the item is in its original packaging and in good condition free of damage.

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DB Electrical Voltage Regulators for Harley Davidson protect your electrical system
  • Maintains a consistent and manageable output of voltage
  • Controls the flow of electric between the alternator and battery
  • Engineer tested to ensure optimal performance
  • Direct-fit matches OEM specifications for easy installation
  • Factory direct, money-saving pricing keeps more money in your pocket
Check if this fits your vehicle
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  • Product Info
  • Applications List
  • Part Replacement List
  • Policy Information
  • Reviews

Overview

DB Electrical Voltage Regulators for Harley Davidson Motorcycles
The electrical system of your Harley Davidson motorcycle is a finely engineered system. That’s why DB Electrical offers best-of-class voltage regulators to protect the electrical components in your bike. These voltage regulators meet leading industry standards to deliver optimal electrical system protection.

We work directly with factories to ensure these voltage regulators are manufactured to our exacting quality control standards that meet genuine OEM specifications. But because there is no middleman, we can offer these exceptional-quality electrical components at low factory direct prices. If you comparison shop, you might save anywhere from 30 to 50 percent off the price of a voltage regulator purchased at a Harley Davidson dealer.

Purpose of a Voltage Regulator
A voltage regulator is a seemingly simple component, but it performs one of the most vital tasks in your vehicle’s electrical system. As the name suggests, the voltage regulator maintains a consistent and manageable output of voltage passing through the system. As the alternator or generator produces power, the voltage regulator controls the voltage capacity that goes to the battery. If too much voltage is allowed to pass, it can cause damage to the battery, wiring system and other electrical accessories.

With DB Electrical voltage regulators, you’ll get …

  • OEM Quality Every Time – Our aftermarket voltage regulators deliver performance that’s equivalent to the ones made by OEM suppliers.
  • Direct-Fit OEM Replacement Parts – DB Electrical aftermarket voltage regulators are designed for perfect fitment to replace the one that originally came with your vehicle.
  • Engineer-Tested Excellence – Our voltage regulators go through a rigorous testing program to ensure optimal performance.

Reasons to choose DB Electrical for your next voltage regulator:

  • Premium materials – Higher quality delivers exceptional performance.
  • Long-term reliability –Long service life to keep your vehicle’s electrical system running better for a longer time.
  • Brand new – Never settle for a secondhand one.

The DB Electrical Advantage – 1-Year Warranty
DB Electrical delivers exceptional value for products that we stand behind with our total-confidence 1-year warranty. Yes, you have a full year to make sure your voltage regulator meets your expectations.

Item Number: 230-22211

100% Brand New Aftermarket Part From DB Electrical

Product Specs

Item ConditionAftermarket Part
Unit TypeRECTIFIER / REGULATOR
Voltage12
Dimension133.1mm L x 85.9mm W x 38.4mm T; (2) Mounting Holes 6.9mm OD, 108.2mm (Outer), 93.5mm (Inner);
FitsHarley Davidson Blackline FXS 2011-13
Harley Davidson Breakout FXSB 2013-16
Harley Davidson Cross Bones FLSTSB 2011
Harley Davidson Fatboy FLSTF 2011-16
Harley Davidson Fatboy Lo FLSTFB 2011-16
Harley Davidson Heritage Softail Classic FLSTC 2011-16
Harley Davidson Softail Deluxe FLSTN 2011-16
Harley-Davidson Softail Slim FLS 2011-16

Applications List

Select Make & Type
MAKE TYPE MODEL YEAR ENGINE
HARLEY-DAVIDSONMotorcycleFLS Softail Slim20121584cc
HARLEY-DAVIDSONMotorcycleFLS Softail Slim20121690cc
HARLEY-DAVIDSONMotorcycleFLS Softail Slim20131584cc
HARLEY-DAVIDSONMotorcycleFLS Softail Slim20131690cc
HARLEY-DAVIDSONMotorcycleFLS Softail Slim20141584cc
HARLEY-DAVIDSONMotorcycleFLS Softail Slim20141690cc
HARLEY-DAVIDSONMotorcycleFLS Softail Slim20151584cc
HARLEY-DAVIDSONMotorcycleFLS Softail Slim20151690cc
HARLEY-DAVIDSONMotorcycleFLS Softail Slim20161690cc
HARLEY-DAVIDSONMotorcycleFLS Softail Slim20171690cc
HARLEY-DAVIDSONMotorcycleFLSS Softail Slim S20161803cc
HARLEY-DAVIDSONMotorcycleFLSS Softail Slim S20171803cc
HARLEY-DAVIDSONMotorcycleFLSTC Heritage Softail Classic20111584cc
HARLEY-DAVIDSONMotorcycleFLSTC Heritage Softail Classic20121584cc
HARLEY-DAVIDSONMotorcycleFLSTC Heritage Softail Classic20121690cc
HARLEY-DAVIDSONMotorcycleFLSTC Heritage Softail Classic20131584cc
HARLEY-DAVIDSONMotorcycleFLSTC Heritage Softail Classic20131690cc
HARLEY-DAVIDSONMotorcycleFLSTC Heritage Softail Classic20141584cc
HARLEY-DAVIDSONMotorcycleFLSTC Heritage Softail Classic20141690cc
HARLEY-DAVIDSONMotorcycleFLSTC Heritage Softail Classic20151584cc
HARLEY-DAVIDSONMotorcycleFLSTC Heritage Softail Classic20151690cc
HARLEY-DAVIDSONMotorcycleFLSTC Heritage Softail Classic20161690cc
HARLEY-DAVIDSONMotorcycleFLSTC Heritage Softail Classic20171690cc
HARLEY-DAVIDSONMotorcycleFLSTC Heritage Softail Classic Ann.20131584cc
HARLEY-DAVIDSONMotorcycleFLSTC Heritage Softail Classic Ann.20131690cc
HARLEY-DAVIDSONMotorcycleFLSTF Softail Fat Boy20111584cc
HARLEY-DAVIDSONMotorcycleFLSTF Softail Fat Boy20121584cc
HARLEY-DAVIDSONMotorcycleFLSTF Softail Fat Boy20121690cc
HARLEY-DAVIDSONMotorcycleFLSTF Softail Fat Boy20131584cc
HARLEY-DAVIDSONMotorcycleFLSTF Softail Fat Boy20131690cc
HARLEY-DAVIDSONMotorcycleFLSTF Softail Fat Boy20141584cc
HARLEY-DAVIDSONMotorcycleFLSTF Softail Fat Boy20141690cc
HARLEY-DAVIDSONMotorcycleFLSTF Softail Fat Boy20151584cc
HARLEY-DAVIDSONMotorcycleFLSTF Softail Fat Boy20151690cc
HARLEY-DAVIDSONMotorcycleFLSTF Softail Fat Boy20161690cc
HARLEY-DAVIDSONMotorcycleFLSTF Softail Fat Boy20171690cc
HARLEY-DAVIDSONMotorcycleFLSTFB Softail Fat Boy Lo20111584cc
HARLEY-DAVIDSONMotorcycleFLSTFB Softail Fat Boy Lo20121584cc
HARLEY-DAVIDSONMotorcycleFLSTFB Softail Fat Boy Lo20121690cc
HARLEY-DAVIDSONMotorcycleFLSTFB Softail Fat Boy Lo20131584cc
HARLEY-DAVIDSONMotorcycleFLSTFB Softail Fat Boy Lo20131690cc
HARLEY-DAVIDSONMotorcycleFLSTFB Softail Fat Boy Lo20141584cc
HARLEY-DAVIDSONMotorcycleFLSTFB Softail Fat Boy Lo20141690cc
HARLEY-DAVIDSONMotorcycleFLSTFB Softail Fat Boy Lo20151584cc
HARLEY-DAVIDSONMotorcycleFLSTFB Softail Fat Boy Lo20151690cc
HARLEY-DAVIDSONMotorcycleFLSTFB Softail Fat Boy Lo20161690cc
HARLEY-DAVIDSONMotorcycleFLSTFB Softail Fat Boy Lo20171690cc
HARLEY-DAVIDSONMotorcycleFLSTFB Softail Fat Boy Lo Anniv.20131584cc
HARLEY-DAVIDSONMotorcycleFLSTFB Softail Fat Boy Lo Anniv.20131690cc
HARLEY-DAVIDSONMotorcycleFLSTFBS Fat Boy S20161584cc
HARLEY-DAVIDSONMotorcycleFLSTFBS Fat Boy S20171690cc
HARLEY-DAVIDSONMotorcycleFLSTN Softail Deluxe20111584cc
HARLEY-DAVIDSONMotorcycleFLSTN Softail Deluxe20121584cc
HARLEY-DAVIDSONMotorcycleFLSTN Softail Deluxe20121690cc
HARLEY-DAVIDSONMotorcycleFLSTN Softail Deluxe20131584cc
HARLEY-DAVIDSONMotorcycleFLSTN Softail Deluxe20131690cc
HARLEY-DAVIDSONMotorcycleFLSTN Softail Deluxe20141584cc
HARLEY-DAVIDSONMotorcycleFLSTN Softail Deluxe20141690cc
HARLEY-DAVIDSONMotorcycleFLSTN Softail Deluxe20151584cc
HARLEY-DAVIDSONMotorcycleFLSTN Softail Deluxe20151690cc
HARLEY-DAVIDSONMotorcycleFLSTN Softail Deluxe20161690cc
HARLEY-DAVIDSONMotorcycleFLSTN Softail Deluxe20171690cc
HARLEY-DAVIDSONMotorcycleFLSTNSE CVO Softail Deluxe20141690cc
HARLEY-DAVIDSONMotorcycleFLSTNSE CVO Softail Deluxe20151690cc
HARLEY-DAVIDSONMotorcycleFLSTSB Softail Cross Bones20111690cc
HARLEY-DAVIDSONMotorcycleFLSTSE2 CVO Softail Convertible20111803cc
HARLEY-DAVIDSONMotorcycleFLSTSE3 CVO Softail Convertible20121803cc
HARLEY-DAVIDSONMotorcycleFXCWC Softail Rocker Custom20111584cc
HARLEY-DAVIDSONMotorcycleFXS Blackline20111584cc
HARLEY-DAVIDSONMotorcycleFXS Blackline20121584cc
HARLEY-DAVIDSONMotorcycleFXS Blackline20121690cc
HARLEY-DAVIDSONMotorcycleFXS Blackline20131584cc
HARLEY-DAVIDSONMotorcycleFXS Blackline20131690cc
HARLEY-DAVIDSONMotorcycleFXSB Softail Breakout20131584cc
HARLEY-DAVIDSONMotorcycleFXSB Softail Breakout20131690cc
HARLEY-DAVIDSONMotorcycleFXSB Softail Breakout20141584cc
HARLEY-DAVIDSONMotorcycleFXSB Softail Breakout20141690cc
HARLEY-DAVIDSONMotorcycleFXSB Softail Breakout20151584cc
HARLEY-DAVIDSONMotorcycleFXSB Softail Breakout20151690cc
HARLEY-DAVIDSONMotorcycleFXSB Softail Breakout20161690cc
HARLEY-DAVIDSONMotorcycleFXSB Softail Breakout20171690cc
HARLEY-DAVIDSONMotorcycleFXSBSE CVO Breakout20131803cc
HARLEY-DAVIDSONMotorcycleFXSBSE CVO Breakout20141803cc
HARLEY-DAVIDSONMotorcycleFXSE CVO Pro Street Breakout20171803cc
HARLEY-DAVIDSONMotorcycleFXST Softail Standard20111584cc
HARLEY-DAVIDSONMotorcycleFXST Softail Standard20121584cc
HARLEY-DAVIDSONMotorcycleFXST Softail Standard20131584cc
HARLEY-DAVIDSONMotorcycleFXST Softail Standard20141584cc
HARLEY-DAVIDSONMotorcycleFXST Softail Standard20151584cc

Replaces These Part Numbers

ARROWHEADAHD6034
HARLEY-DAVIDSON74540-11

Frequently Asked Questions

Q: Why do we need a voltage regulator in the charging system? A: A voltage regulator is crucial in the charging system to ensure a stable voltage output, protect sensitive electronics from damage due to voltage fluctuations, and control the charging rate of the battery for optimal performance and longevity.

Q: What are the different types of regulators?
A: There are three main types of regulators.

  • Internal regulators. Mounted inside or on the alternator itself.
  • External regulators. You will find these mounted on a firewall or inner fender well.
  • Adjustable regulators. These regulators have adjustable set points offering flexibility in voltage adjustment for precise control in specific applications. Depending on the specific model of regulator, they can be internal or externally mounted.
Q: What is a voltage set point.
A: A voltage set point refers to the predetermined or specified voltage level at which a voltage regulator aims to maintain the output voltage. It is a predefined reference voltage that the regulator uses as a target, adjusting its operation to ensure the output voltage closely matches this set point. The voltage set point is a crucial parameter in voltage regulation systems, helping maintain stability and reliability in electrical circuits and devices.

Q: Why does an alternator charge at 14v on a 12-volt system.
A: Alternators charge at 14 volts to generate sufficient voltage for the operation of the electrical system. The only way to charge a battery and use voltage while the car is running is to back in more voltage than is being discharged. In simple terms, it needs to generate more voltage than is being used.

Q: What causes a regulator to fail?
A: Voltage regulator failure can result from overloading, voltage spikes, overheating, contamination, age and wear, incorrect voltage, and the use of poor-quality components. Proactive maintenance and timely issue resolution are key to preventing failure and ensuring a reliable electrical system.

Q: How do I test my regulator?
A: To test your regulator:
  1. Measure voltage across the battery terminals with a multimeter while the engine is running (13.5 to 14.5 volts is normal).
  2. Rev the engine to observe voltage response.
  3. Check for AC voltage to detect potential alternator issues.
  4. Conduct a visual inspection for damage or loose connections.
  5. Use a temperature gun to check for excessive heat during operation.
  6. Refer to the service manual for specific testing procedures and voltage specifications.
  7. If unsure or encountering issues, seek professional assistance for more in-depth analysis and testing.

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