TwinPower Voltage Regulator Black 38 Amp for 01-06 Harley-Davidson Softail

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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About TwinPower

TwinPower engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full TwinPower lineup with fast shipping and expert fitment support — order with confidence.

High-Output Black Voltage Regulator for Harley-Davidson Softail Models (2001-2006)

Ensure your Harley-Davidson Softail's electrical system operates at peak performance with the TwinPower 38 Amp Voltage Regulator. This robust, black-finished unit is designed as a direct replacement for 2001-2006 Softail models, providing superior charging capabilities for modern electrical demands.

Key Features and Advantages:

  • OE Fitment: Engineered to replace Harley-Davidson part number 74540-01, ensuring seamless integration with your 2001-2006 Softail.
  • 38 Amp Output: Delivers higher amperage compared to stock units, ideal for bikes with auxiliary lighting, upgraded sound systems, or other high-draw accessories.
  • Sleek Black Finish: The durable black coating provides a clean, custom look while offering excellent protection against corrosion and wear.
  • Enhanced Reliability: TwinPower components are built for durability and consistent performance, offering a dependable solution for your motorcycle's charging needs.
  • Broad Softail Compatibility: Fits a wide array of 2001-2006 Harley-Davidson Softail models, including Heritage, Fat Boy, Springer, Night Train, and Standard variants.

A reliable voltage regulator is crucial for maintaining battery health and preventing electrical system failures. This 38 Amp TwinPower regulator ensures your battery is consistently charged, even under heavy electrical load, protecting your bike's sensitive electronics and keeping you riding without worry. Its construction is designed to withstand the rigors of the road.

Upgrade your Softail's charging capacity and reliability. Choose the TwinPower Black 38 Amp Voltage Regulator for superior performance. Available now at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2006 Harley-Davidson FLST Heritage Softail Base
2001-2006 Harley-Davidson FLSTC Heritage Softail Classic Base
2001-2006 Harley-Davidson FLSTCI Heritage Softail Classic Base
2001-2006 Harley-Davidson FLSTF Fat Boy Base
2001-2006 Harley-Davidson FLSTS Heritage Springer Base
2005-2006 Harley-Davidson FLSTSC Softail Springer Classic Base
2001-2003 Harley-Davidson FLSTSI Heritage Springer Base
2001-2006 Harley-Davidson FXSTB Night Train Base
2001-2006 Harley-Davidson FXSTI Softail Standard Base
2001-2006 Harley-Davidson FXSTS Springer Softail Base
2001-2006 Harley-Davidson FXSTSI Springer Softail Base

Product Details

Product Description
Part Numbers
Sizing & Fit

About TwinPower

TwinPower engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full TwinPower lineup with fast shipping and expert fitment support — order with confidence.

High-Output Black Voltage Regulator for Harley-Davidson Softail Models (2001-2006)

Ensure your Harley-Davidson Softail's electrical system operates at peak performance with the TwinPower 38 Amp Voltage Regulator. This robust, black-finished unit is designed as a direct replacement for 2001-2006 Softail models, providing superior charging capabilities for modern electrical demands.

Key Features and Advantages:

  • OE Fitment: Engineered to replace Harley-Davidson part number 74540-01, ensuring seamless integration with your 2001-2006 Softail.
  • 38 Amp Output: Delivers higher amperage compared to stock units, ideal for bikes with auxiliary lighting, upgraded sound systems, or other high-draw accessories.
  • Sleek Black Finish: The durable black coating provides a clean, custom look while offering excellent protection against corrosion and wear.
  • Enhanced Reliability: TwinPower components are built for durability and consistent performance, offering a dependable solution for your motorcycle's charging needs.
  • Broad Softail Compatibility: Fits a wide array of 2001-2006 Harley-Davidson Softail models, including Heritage, Fat Boy, Springer, Night Train, and Standard variants.

A reliable voltage regulator is crucial for maintaining battery health and preventing electrical system failures. This 38 Amp TwinPower regulator ensures your battery is consistently charged, even under heavy electrical load, protecting your bike's sensitive electronics and keeping you riding without worry. Its construction is designed to withstand the rigors of the road.

Upgrade your Softail's charging capacity and reliability. Choose the TwinPower Black 38 Amp Voltage Regulator for superior performance. Available now at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2006 Harley-Davidson FLST Heritage Softail Base
2001-2006 Harley-Davidson FLSTC Heritage Softail Classic Base
2001-2006 Harley-Davidson FLSTCI Heritage Softail Classic Base
2001-2006 Harley-Davidson FLSTF Fat Boy Base
2001-2006 Harley-Davidson FLSTS Heritage Springer Base
2005-2006 Harley-Davidson FLSTSC Softail Springer Classic Base
2001-2003 Harley-Davidson FLSTSI Heritage Springer Base
2001-2006 Harley-Davidson FXSTB Night Train Base
2001-2006 Harley-Davidson FXSTI Softail Standard Base
2001-2006 Harley-Davidson FXSTS Springer Softail Base
2001-2006 Harley-Davidson FXSTSI Springer Softail Base

Product Details

Product Description

About TwinPower

TwinPower engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full TwinPower lineup with fast shipping and expert fitment support — order with confidence.

High-Output Black Voltage Regulator for Harley-Davidson Softail Models (2001-2006)

Ensure your Harley-Davidson Softail's electrical system operates at peak performance with the TwinPower 38 Amp Voltage Regulator. This robust, black-finished unit is designed as a direct replacement for 2001-2006 Softail models, providing superior charging capabilities for modern electrical demands.

Key Features and Advantages:

  • OE Fitment: Engineered to replace Harley-Davidson part number 74540-01, ensuring seamless integration with your 2001-2006 Softail.
  • 38 Amp Output: Delivers higher amperage compared to stock units, ideal for bikes with auxiliary lighting, upgraded sound systems, or other high-draw accessories.
  • Sleek Black Finish: The durable black coating provides a clean, custom look while offering excellent protection against corrosion and wear.
  • Enhanced Reliability: TwinPower components are built for durability and consistent performance, offering a dependable solution for your motorcycle's charging needs.
  • Broad Softail Compatibility: Fits a wide array of 2001-2006 Harley-Davidson Softail models, including Heritage, Fat Boy, Springer, Night Train, and Standard variants.

A reliable voltage regulator is crucial for maintaining battery health and preventing electrical system failures. This 38 Amp TwinPower regulator ensures your battery is consistently charged, even under heavy electrical load, protecting your bike's sensitive electronics and keeping you riding without worry. Its construction is designed to withstand the rigors of the road.

Upgrade your Softail's charging capacity and reliability. Choose the TwinPower Black 38 Amp Voltage Regulator for superior performance. Available now at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2006 Harley-Davidson FLST Heritage Softail Base
2001-2006 Harley-Davidson FLSTC Heritage Softail Classic Base
2001-2006 Harley-Davidson FLSTCI Heritage Softail Classic Base
2001-2006 Harley-Davidson FLSTF Fat Boy Base
2001-2006 Harley-Davidson FLSTS Heritage Springer Base
2005-2006 Harley-Davidson FLSTSC Softail Springer Classic Base
2001-2003 Harley-Davidson FLSTSI Heritage Springer Base
2001-2006 Harley-Davidson FXSTB Night Train Base
2001-2006 Harley-Davidson FXSTI Softail Standard Base
2001-2006 Harley-Davidson FXSTS Springer Softail Base
2001-2006 Harley-Davidson FXSTSI Springer Softail Base

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