Compufire 40 AMP 3 Phase Stator Vented Rotor - Harley Evolution Touring Softail Dyna
About Compufire
Compufire parts and accessories are stocked at Vtwinbikers for Harley-Davidson and Indian Motorcycle applications. Every Compufire item we list is new and sourced through authorized distribution. If you are not certain a part matches your year and model, use Shop by Bike or email our team before you order and we will confirm fitment first.
Ensure your Harley Evolution V-twin has all the power it needs with the Compufire 40 AMP 3 Phase Stator. This high-output stator is engineered to provide superior charging, keeping your electrical system robust even with demanding accessories.
Why riders pick this
- 40-amp high-output charging capacity
- Vented rotor dissipates heat effectively
- Maintains 14.25V output from idle
- Narrow profile fits OEM primary covers
- Enhances overall electrical system reliability
The Compufire 40 AMP 3 Phase Stator is a vital upgrade for Harley-Davidson Softail, Dyna, and FLT models equipped with Evolution engines and OEM primary covers. Unlike stock units, its high-output design and vented rotor work together to dissipate heat more effectively, allowing the stator to maintain consistent charging performance under heavy loads. This means more reliable power for your lights, ignition, and any aftermarket electronics.
Reliable, High-Output Charging for Your V-Twin
- 40-amp output capacity for ample electrical power
- Vented rotor design for improved heat dissipation and longevity
- High-output voltage regulator maintains 14.25V from idle
- Narrow profile fits perfectly within OEM primary covers
Maintain Peak Electrical System Performance
Upgrading to a Compufire 40 AMP stator is a smart move for any rider looking to enhance their Harley's electrical system reliability or power additional accessories. The three-phase design ensures smooth and efficient power generation, while the vented rotor keeps operating temperatures down, extending the life of your charging system components. This stator is a direct fit for models with OEM primary covers, making installation straightforward.
Specifications
- Brand: Compufire
- Manufacturer Part #: 55404
- UPC: 694342547981
- Output: 40 amp
- Length: 8 in
- Width: 2 in
- Height: 8 in
- Weight: 3 lbs
Common questions
Will this 40 AMP stator fit my fuel-injected Harley?
No, this Compufire stator is specifically designed for carbureted Harley-Davidson Evolution models with OEM primary covers and is not compatible with EFI-equipped motorcycles.
Does the vented rotor actually make a difference in cooling?
Yes, the vented rotor design significantly improves airflow and reduces heat buildup within the primary, allowing the stator to operate cooler and maintain higher output, especially during sustained riding.
Can I use this stator with an aftermarket primary cover?
This stator is designed to fit Harley-Davidson models with OEM primary covers. While it may fit some aftermarket covers, we recommend confirming compatibility before purchase.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
| BRAND | Compufire |
| TYPE | Electrical |
| SKU | 139-10014 |
| WEIGHT | 3.0 lb |
