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Voltage Regulator Rectifier for Aprilia Mana 850 NA | Gilera GP 800 | Piaggio MP3 300 2007-2015 | OEM# 639111 / 58087R
Voltage Regulator Rectifier for Aprilia Mana 850 NA | Gilera GP 800 | Piaggio MP3 300 2007-2015 | OEM# 639111 / 58087R
Battery condition is extremely important. No voltage regulator can work correctly with a bad or weak battery. Always fully charge your battery before performing any charging system tests or replacing parts. If there is any doubt, have the battery load tested or replaced.





Details
Details
Brand new aftermarket Voltage Regulator Rectifier
- Direct replacement to your original unit
- Plug-and-play, direct fit, easy installation
- No assembly required
- Higher grade of electric components
- Improved heat sink and charging capabilities
- The quality exceeds the OEM equipment
- All products shipped are tested
We have even included the opposite connector (main harness side) as we know these are often melted / corroded / defective and are a major cause of repetitive electrical issues.
All item pictures are accurate, if in doubt, do not hesitate and compare our item to your original part.
Specifications
Specifications
Dimensions:
Width: 79 mm
Length: 109 mm
Height: 28 mm
Wires length: 540 mm
Distance between fixation holes center to center: 80 mm
Other specifications:
Number of plugs: 2
Number of pins: 7
Number of wires: 7
Minimum Charging Voltage: 14.5 V +- 0.5 V
Maximum Charging Current: 50 A / 500 W
Open Circuit Voltage: < 15 V
Operation Temperature: -20°C to 85°C
Interchange Part Nº
Interchange Part Nº
- 58087R
- 639111
Installation
Installation
Before installing your new Voltage Regulator Rectifier:
- Check the AC output of the stator.
- Replace any burned or corroded connectors on stator and regulator rectifier.
- Check and repair any melted wiring.
- Use hi-temp dielectric grease on all connectors.
Warning:
Risk of electric shock. Disconnect the battery before servicing.
Ensure proper installation by a qualified technician to avoid malfunction.
Vehicle Fitments
Vehicle Fitments
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