What is the main job of a voltage regulator on my motorcycle?

A voltage regulator's main job is to control the electrical output from your stator. It converts the AC power generated by the stator into DC power, which is then used to charge your battery and power your motorcycle's electrical systems. It also prevents overcharging, which can damage your battery.

Does this voltage regulator come with any warranty?

Yes, this Twin Power voltage regulator includes a one-year manufacturer's warranty. This covers defects in materials and workmanship for a year from the date of purchase.

What specific Harley-Davidson models does this regulator fit?

This regulator is designed for 1981-1988 Harley-Davidson Big Twin models. This includes popular bikes like the FLHTC Electra Glide Classic, FLST Heritage Softail, and FXR Super Glide II, among others.

Twin Power Voltage Regulator 22 Amp Black 498309

Name: Twin Power 81-88 Big Twin Voltage Regulator Black Replaces H-D 74516-86 22 Amp
Brand: TwinPower
SKU: twinpower-twin-power-81-88-big-twin-voltage-regulator-black-replaces-h-d-74516-8-t14-610499
Price: 147.44 USD
Availability: BackOrder

Twin Power 81-88 Big Twin Voltage Regulator Black Replaces H-D 74516-86 22 Amp

$147.44

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Twin Power 81-88 Big Twin Voltage Regulator Black Replaces H-D 74516-86 22 Amp

Key Features

Fits 1981-1988 Harley-Davidson Big Twin models.
Replaces Harley-Davidson part number 74516-86.
Rated for 22 amps to support stock electrical systems.
Helps maintain proper battery charge and protects electrical components.
Comes with a one-year manufacturer's warranty.

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Will this fit your vehicle?

Product Details

Twin Power is known for making well-built electrical components for Harley-Davidson motorcycles. This 22-amp voltage regulator is designed to keep your charging system working correctly on Big Twin models from 1981 through 1988. It's a direct replacement for the original Harley-Davidson part number 74516-86, ensuring it fits right into your existing setup.

This regulator plays a crucial role in managing the electrical output from your stator, converting the AC power to DC power needed to charge your battery and run your bike's accessories. A properly functioning regulator prevents overcharging, which can damage your battery and other electrical components, and also ensures you have enough power for your lights and ignition system. This unit is built to handle 22 amps, suitable for many stock Big Twin electrical systems.

This part fits a range of popular Harley-Davidson models, including the Electra Glide Classic, Heritage Softail, and Super Glide II. It comes with a one-year manufacturer's warranty for peace of mind.