This genuine Ducati Energia Voltage Regulator Rectifier is offered in good used condition. It was carefully removed from a running 1997 Ducati ST2 and is in full working order. As a pre-owned component, it exhibits normal signs of use and age consistent with its previous application. It is ideal as a direct replacement or as a reliable spare part for your classic Ducati. Please review all accompanying photos to assess the item's exact cosmetic condition; what you see is exactly what you will receive.
Specifications
Type
Rectifier
Finish
Unfinished
Material
Metal
Manufacturer Part Number
540.4.011.1A, 540.4.009.1A
Reference OE/OEM Number
540.4.011.1A, 540.4.009.1A
Brand
Ducati Energia
Features
Durable, Easy Installation, Heat-Resistant
Unit Type
Unit
Classic Part
Yes
Machine Type
Street Motorcycle
Unit Quantity
1
Mounting Style
Bolt-On
Performance Part
No
Country of Origin
Italy
Description
This listing is for a genuine Ducati Energia OEM Voltage Regulator Rectifier, a critical component for maintaining your motorcycle's electrical system. This first-generation single-phase unit, with OEM part numbers 540.4.011.1A or 540.4.009.1A, was originally fitted to a 1997 Ducati ST2 and is a direct factory replacement.
It efficiently converts AC voltage from the stator to DC voltage for charging the battery and powering the motorcycle's electrical components, with an approximate output capacity of 35-40 Amps. Ensuring a stable voltage supply is vital for the longevity of your battery and other sensitive electronics.
This classic part is compatible with various Ducati models, including: Ducati ST2 (944cc) from 1997, 1998, and early 1999; Monster 750 and 900 (single-phase variants) from 1998, 1999, and 2000; and 750SS, 900SS, and 900S (early fuel-injected runs) from 1998, 1999, and 2000. Please verify compatibility with your specific model using the provided OEM part numbers.
Ducati
Ducati ST4 ST4S 1999-2003 Front Nose Fairing Cowl Windscreen Red OEM Used
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