Confirmed Fit
TwinPower
Twin Power 08-17 FXST FLST Voltage Regulator Black Replaces H-D 74540-08 40 Amp
$189.99
Technical Data
Our high-quality replacement regulators keep you charging. They come with a one-year manufacturer's warranty.
This Part Fits:
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2012-2017 | Harley-Davidson | FLS Softail Slim | Base |
| 2016-2017 | Harley-Davidson | FLSS Softail Slim S | Base |
| 2008-2017 | Harley-Davidson | FLSTC Heritage Softail Classic | Base |
| 2008-2017 | Harley-Davidson | FLSTF Fat Boy | Base |
| 2010-2017 | Harley-Davidson | FLSTFB Fat Boy Lo | Base |
| 2016-2017 | Harley-Davidson | FLSTFBS Fat Boy S | Base |
| 2014-2015 | Harley-Davidson | FLSTNSE CVO Softail Deluxe | Base |
| 2008-2011 | Harley-Davidson | FLSTSB Cross Bones | Base |
| 2010 | Harley-Davidson | FLSTSE CVO Softail Convertible | Base |
| 2008-2009 | Harley-Davidson | FXCW Rocker | Base |
| 2008-2011 | Harley-Davidson | FXCWC Rocker C | Base |
| 2011-2013 | Harley-Davidson | FXS Blackline | Base |
| 2013-2017 | Harley-Davidson | FXSB Breakout | Base |
| 2013-2014 | Harley-Davidson | FXSBSE CVO Breakout | Base |
| 2016-2017 | Harley-Davidson | FXSE CVO Pro Street Breakout | Base |
| 2008-2009 | Harley-Davidson | FXSTB Night Train | Base |
| 2008-2010 | Harley-Davidson | FXSTC Softail Custom | Base |
Specifications
Finish
Industrial Grade
Material
High-Strength Composite
Rating
Performance++
Fitment Data
• Engineered for precision compatibility with high-performance builds.
• Tested under extreme mechanical stress for guaranteed structural integrity.
Use the Riot Vehicle Finder to verify exact sub-model compatibility.
Logistics center
30-Day Technical Return
Verified Riot Protection
Secure Global Transit
Twin Power 08-17 FXST FLST Voltage Regulator Black Replaces H-D 74540-08 40 Amp
$189.99