8Kw Round AVR Voltage Regulator



Voltage Regulators at Generator Parts World

This is an 8Kw Round AVR Voltage Regulator

This is for a universal style round voltage regulator which is also commonly called an AVR. This voltage regulator is intended for use in 5Kw to 10Kw generator applications. The AVR connects to the electrical system with a 4 blade plug and 2 single wires for the carbon brush connections.

The part mounts in the generator via 2 bolt holes that are spaced 5-5/8″ on center. This style is called a round or half moon style voltage regulator and is used in many brands, makes, and models of generators. Voltage regulators are not wattage specific and therefore this AVR is intended for use in generators from 5kw to 10kw.

If your generator stops producing power the AVR is one of the most common issues but may not be the only issue. First check that your carbon brush assembly is making contact. If the brush is making contact visually inspect your AVR for burnt spots or blown capacitors. It is possible that your AVR will not show any wear or defect but will not work properly. The purpose of the AVR is to stabilize voltage so if the voltage is jumping around or not at the level it should be you have an issue.

If your voltage regulator is defective this may not be your only issue. An AVR should last for at least 2000 hours in any generator. If your voltage regulator does not have this much time used then you may have another issue. The most common other issue is moisture in the head, causing current to jump. Any replacement AVR may need to be adjusted when replacing.

This voltage regulator will ship from within the US. All orders ship next business day after cleared payment. We offer several different shipping methods with different delivery times. Please review the shipping tab above this text for more information.

All of our parts , including voltage regulators, are universal parts that are our own brand. These parts are not intended to be represented as OEM parts but represented as parts that are direct replacement parts for specific brands and models. This includes but is not limited to generators and other small engine powered equipment. Generator Parts World will offer a 90 replacement warranty of any part purchased from us under our 90 day replacement policy. Please review the terms and conditions for more information.

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Shipping Info

All orders will ship from one of our locations within the US, most commonly from Missouri. All orders ship next business day after cleared payment. Business days are Monday through Friday with the exception of holidays.

Our 2 Day Express option may use different carriers such as UPS, FedEx, USPS, or Amazon to offer the best delivery time available. The tracking for your order will be uploaded to PayPal and your order details here on our website. If you need your parts as fast as possible explore on of the shipping options detailed below. All estimated delivery dates below are the estimated time it will take to deliver your order once it ships.

Shipping Within the United States

Free Shipping using First Class Mail: 4 to 6 day delivery
USPS Priority Mail Service: 2 to 4 day delivery
USPS Express Service: 1 to 2 day delivery
UPS Ground Service: 1 to 4 day delivery
2 Day Express Service: 1 to 2 day delivery


Shipping Outside the United States

USPS First Class to Canada: Estimated 10 Days

USPS First Class Worldwide: Estimated 14 to 21 Days


In October of 2021 USPS slow mail delivery on First Class Mail and other services. Please be aware of possible delays by all carriers at peak times such as holidays. Below are some links that can be helpful in identifying delivery times to your location, holiday schedules, and possible delays by the 2 most common carriers we use, USPS and UPS.

USPS Service Alerts

USPS Holiday and Event Schedule

UPS Service Alerts

UPS Holiday Schedule

UPS Ground Shipping Time Map

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