Best Powersports Voltage Regulators of 2025

Robert Reyes Avatar
Robert Reyes
Last Updated: Jan 6, 2025

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Powersports voltage regulators are essential components for maintaining the electrical systems of motorcycles, ATVs, and other powersports vehicles. These regulators ensure that the electrical output from the vehicle's charging system is properly regulated, preventing overcharging or undercharging of the battery. Without a functioning voltage regulator, the electrical system of a powersports vehicle can quickly fail, resulting in a breakdown or even damage to the vehicle. Powersports voltage regulators are available in a variety of models and brands to fit different vehicle types and electrical systems.

At a Glance: Our Top Picks

Polaris Ranger Voltage Regulator Cover #TOP 1
Polaris Ranger Voltage Regulator
ftb score rating icon 9.8
YAMAKATO 5~8KW Generator AVR Cover #TOP 2
YAMAKATO 5~8KW Generator AVR
ftb score rating icon 9.7
YAMAKATO AVR Rectifier for Generators Cover #TOP 3
YAMAKATO AVR Rectifier for Generators
ftb score rating icon 9.5

Top 10 Powersports Voltage Regulators

#TOP 1

Polaris Ranger Voltage Regulator

4016868
Polaris Ranger Voltage Regulator Cover
Polaris Ranger Voltage Regulator, Genuine OEM Part 4016868, Qty 1

The Polaris Ranger Voltage Regulator is a Genuine OEM Part 4016868 designed for schematic location 7 only. This product is meticulously crafted to match your machine, ensuring unmatched performance and fit for your vehicle. To verify fitment for your specific vehicle, you can contact the seller and provide your VIN that can be found on your vehicle or your insurance card.

What We Like
100% confidence in product performance and fit
Genuine OEM part
Extensively tested in the field
#TOP 2

YAMAKATO 5~8KW Generator AVR

5~8KW plastics AVR
YAMAKATO 5~8KW Generator AVR Cover
5~8KW Generator AVR Automatic Voltage Regulator Rectifier for Honda and Clones Predator Champion Blackmax Generac Powermate Duromax Firman Wen Etq 5000 5500 6500 7000 7500 8000 8500 8750 9000 9500

The YAMAKATO AVR Voltage Regulator is designed for generators with a power range of 5 to 8 kilowatts. It features an adjustable voltage screw, allowing you to fine-tune the output to match your specific generator. This product is compatible with a variety of Honda and clone generators, ensuring a proper fit for your machine. Additionally, it comes with an OEM standard carbon brush, promoting reliable performance. With its versatile design, it can replace both rectangular and aluminum shell types of AVRs, providing you with flexibility and convenience in maintaining your generator.

What We Like
Compatible with multiple generator brands
Adjustable voltage for precision
OEM standard carbon brush included
Versatile replacement options
#TOP 3

YAMAKATO AVR Rectifier for Generators

5000-9900 watt
Black
YAMAKATO AVR Rectifier for Generators Cover
YAMAKATO 5000-9900 watt Generator AVR Rectifier for Predator Honda Champion Generac etc.Voltage Regulator AVR OEM 5~8kw 5000 5500 6000 6500 7000 7500 8000 8500 8750 9000 9500 338cc~459cc

The YAMAKATO Voltage Regulator is designed to enhance the performance of various generator models, including Generac, Champion, and Honda. It ensures stable voltage output, which is essential for running your appliances safely and efficiently. This regulator is compatible with a wide range of generator wattages, allowing you to use it across different models. Additionally, it features a replaceable design for both plastic and aluminum housing, making installation straightforward and convenient. With this regulator, you can ensure your generator operates at its best, providing reliability when you need it most.

What We Like
Wide compatibility with various brands
Stable voltage output
Easy installation
Replaceable housing design
#TOP 4

MRS TAOTAO 12V Voltage Rectifier Regulator

Generic
VR_011
MRS TAOTAO 12V Voltage Rectifier Regulator Cover
MRS TAOTAO 12V Voltage Rectifier REGULATOR + 4 Wire Harness Plug for 50cc 90cc 110cc 125cc 150cc ATV Dirt Bike Scooter Moped GO KART Boulder B1 ATA 110D 125D TFORCE CHEETAH DB10 DB20 GK110 JEEP AUTO

The MRS TAOTAO Regulator is a 12V voltage rectifier designed to enhance the performance of various ATV and dirt bike models. With its four-pin wire harness connector, it ensures a secure and reliable connection for optimal functionality. The included wiring harness simplifies installation, allowing you to easily connect it to your vehicle. Featuring a durable male 4-spade connector, this regulator is built to last, providing consistent power management. It's compatible with popular models like the TAOTAO Boulder and others, making it a versatile choice for riders looking to maintain their machines.

What We Like
Easy installation
Durable construction
Compatible with multiple models
Reliable power management
#TOP 5

Kawasaki Voltage Regulator 21066-7011

21066-7011
Kawasaki Voltage Regulator 21066-7011 Cover
Kawasaki 21066-7011 Regulator, 15 & 20 Amp

The Kawasaki Voltage Regulator is a genuine replacement part designed for efficiency. This regulator accommodates both 15 and 20 Amp systems, ensuring compatibility with a range of applications. It fits most FH Series engines, including models like 751V and 921V, making it a versatile choice for your needs. Plus, there's no assembly required, allowing you to install it quickly and easily. With this regulator, you can enjoy reliable performance and peace of mind, knowing your engine is well-supported.

What We Like
Genuine Kawasaki replacement part
Fits multiple FH Series engines
No assembly needed
15 & 20 Amp compatibility
#TOP 6

MINSTAR Voltage Regulator for Polaris ATVs

WYQ-4014543
MINSTAR Voltage Regulator for Polaris ATVs Cover
Voltage Regulator Rectifier For Polaris 2010-2019 Sportsman 450/550/ 570/850, Scramble 850 1000, ETX, Replace No. 4014543 4015214 4015230

The MINSTAR Voltage Regulator is designed specifically for various Polaris ATV models, ensuring compatibility with part numbers like 4014543 and 4015214. This high-performance regulator features a durable aluminum shell that effectively dissipates heat, extending its lifespan and enhancing your vehicle's reliability. It converts alternating current (AC) to direct current (DC), ensuring that your ATV's electronic devices function smoothly. Additionally, it offers battery charging protection, giving you peace of mind when you're out on the trails. With its plug-and-play design, installation is easy, making it a convenient choice for any ATV owner.

What We Like
Easy installation
Durable aluminum shell
Reliable performance
Battery charging protection
#TOP 7

HERIS 12V Voltage Regulator for ATVs

HER-ATVRectifier
HERIS 12V Voltage Regulator for ATVs Cover
HERIS 12V 4 Pin Voltage Regulator Rectifier Replacement for GY6 QMB139 157QMJ 50cc-125cc ATV Scooters Go Karts Quad Compatible with 4 Wheelers Moped Dune Buggy Sandrail Roketa Taotao Sunl Jonway

The HERIS Voltage Regulator is designed to provide stable voltage for your ATV or scooter. With its 4-pin male plug, it ensures a secure connection and reliable power supply. This regulator operates at 12 volts, which is essential for maintaining the performance of your vehicle. You’ll appreciate its excellent temperature characteristics, helping to prevent overheating and prolonging the lifespan of your electrical components. Whether you're riding a go-kart or a moped, this regulator is compatible with a wide range of 50cc to 150cc vehicles, making it a versatile choice for various models.

What We Like
Stable voltage regulation
Compatible with multiple vehicles
Prevents overheating
Easy installation
#TOP 8

GOOFIT 4 Wire 12V Voltage Regulator

H055-003
GOOFIT 4 Wire 12V Voltage Regulator Cover
GOOFIT 4 Wire 12V Voltage Regulator for CG 125cc 200cc 250cc and GY6 50cc 60cc 80cc 125cc 150cc ATV Dirt Bike Go Kart Moped and Scooter

The GOOFIT Voltage Regulator is designed to enhance the performance of various powersport vehicles, including dirt bikes, ATVs, and scooters. It features a compact size, making it easy to install and fit into your vehicle. The regulator connects effortlessly with a 4-pin female plug, ensuring that you can easily hook it up to your battery and core coil. With a maximum wattage of 55W and an operating temperature range of 20℃ to 60℃, it maintains stable performance under various conditions. This unit also provides reliable voltage output, helping to keep your vehicle running smoothly.

What We Like
Easy installation
Compact design
Stable voltage output
Wide temperature range
#TOP 9

Rareelectrical Voltage Regulator for Arctic Cat

240-22212*4
Rareelectrical Voltage Regulator for Arctic Cat Cover
RAREELECTRICAL New Voltage Regulator Compatible With Arctic Cat Atv Prowler 500 2017 425 Efi Cr 3313-464 3313464

The Rareelectrical Voltage Regulator is designed specifically for Arctic Cat vehicles, ensuring a perfect fit when you verify your OEM part number. This 12V regulator replaces multiple Arctco models, making it a versatile choice for your ATV. With six terminals and a 30A fuse, it provides reliable power management and is ideal for intermittent duty cycles. You will appreciate the convenience of easily removing the relay from its rubber mount if needed, making installation and maintenance hassle-free.

What We Like
Compatible with various Arctic Cat models
Easy installation and maintenance
Reliable 12V power management
Intermittent duty cycle efficiency
#TOP 10

MINSTAR Voltage Regulator for Polaris ATVs

WYQ-4012384
MINSTAR Voltage Regulator for Polaris ATVs Cover
Voltage Regulator Rectifier For Polaris 2007-2010 Sportsman 500 700 800, Ranger 500 700 800, RZR 800, Replace No.4012384 4011569 4011925

The MINSTAR Voltage Regulator is designed for various Polaris models, ensuring compatibility with a range of ATVs and Rangers. By using Amazon's Part Finder, you can confirm it fits your vehicle before purchasing. This high-performance regulator features a durable aluminum shell for effective heat dissipation, which helps extend its lifespan. It converts alternating current (AC) to direct current (DC), ensuring your ATV's electronics function smoothly. Additionally, it offers battery charging protection, giving you peace of mind on your rides. With a plug-and-play design, installation is hassle-free, making it a convenient choice for users.

What We Like
Compatible with multiple Polaris models
Durable aluminum construction
Easy installation
Battery charging protection
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What are signs of a bad voltage regulator on an ATV?

Signs of a bad voltage regulator on an ATV include a decrease in performance, such as slower acceleration, which is often mistaken for an engine issue. Additionally, the ATV lights may start to dim or flicker, indicating a potential problem with the voltage regulator.

2. What are the three basic types of voltage regulators?

The three basic types of voltage regulators are step-up, step-down, and inverter voltage regulators. Each type serves a specific purpose in regulating voltage for different applications.

3. Are all motorcycle voltage regulators the same?

While there may be some variations in shape and wire colors, most motorcycles have a three-phase, 12V, magnetic alternator and use similar regulator/rectifier (reg/rec) units. These units work in the same way and are generally interchangeable, but it's always best to consult the manufacturer's specifications for compatibility.

4. How do I know if my stator or regulator is bad?

Some common signs of a bad stator or regulator include weak or zero spark, dim or dead bike lights, dead batteries or electric components, and lagging acceleration. If you experience any of these issues, it may indicate a problem with the stator or regulator.

5. How do you size a voltage regulator?

To size a voltage regulator, determine the input voltage (V) and the rated amperage (A) of the equipment or circuit you want to protect. Multiply the voltage by the current and divide by 1,000 to obtain the size rating in kVA.

6. What is the most common voltage regulator?

The most common type of voltage regulator is the linear regulator. It uses a series element, like a transistor or resistor, to drop excess input voltage and provide a fixed output voltage. Linear regulators are easy to use, have low noise, and can respond quickly to load changes.

7. How do I know what voltage regulator I need?

To select a voltage regulator, consider using a linear regulator if the input voltage is higher than the output. If using a linear regulator wastes too much power, a buck switching regulator can be used. If you need an output voltage higher than the input, a boost switching regulator is suitable. The choice depends on the specific requirements of your system.

8. Is higher or lower voltage regulation better?

Lower voltage regulation is better as it indicates better stability in maintaining a constant secondary voltage despite variation in load current. The lower the percentage, the more stable the secondary voltage and the better the regulation provided by the power transformer.

Editor's Notes

During our powersports voltage regulator research, we found 24 powersports voltage regulator products and shortlisted 10 quality products. We collected and analyzed 4,281 customer reviews through our big data system to write the powersports voltage regulators list. We found that most customers choose powersports voltage regulators with an average price of $31.00.

The powersports voltage regulators are available for purchase. We have researched hundreds of brands and picked the top brands of powersports voltage regulators, including Polaris, YAMAKATO, Kawasaki, MINSTAR, HERIS. The seller of top 1 product has received honest feedback from 84 consumers with an average rating of 4.7.

Written by
Robert Reyes Avatar

Robert Reyes is a dedicated writer from San Francisco with a bachelor of degree in mechanics and a bachelor of degree in marketing. He focuses on making some complicated topics simple and enjoys explaining complex and technical things in an easy-to-understand way.