Regulator
Grid is 1 inch square
  Voltage Regulator 390545
Manufacturer Part

Voltage Regulator 390545

Genuine OEM Part # 390545RC Item # 1640589
Manufacturer Part
Regulator
Grid is 1 inch square
  Voltage Regulator 390545
$34.65
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Regulator
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$34.65
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This part 390545 is compatible with:

Product Type:
Lawn Mower, Small Engine
Brands:
Toro, Briggs & Stratton

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Voltage Regulator Customer Reviews

Common Problems Fixed by the Voltage Regulator

Based on customer reports and repair data, this part commonly fixes these issues:

About the Voltage Regulator

While the engine is running, the voltage regulator sends the proper amount of voltage from the alternator to the battery to keep the battery charged. If the voltage regulator is defective, the battery won't receive enough voltage, causing the battery to drain quickly.