BRIGGS & STRATTON 84013478 - AUTOMATIC VOLTAGE REGULATOR (Briggs OEM part)

BRIGGS & STRATTON
Genuine Part
$253.54
$228.18
$25.36
Availability:
Special Order: Estimated lead time 3 Weeks (Factory Backorder)

Expected release date is Oct 16th 2026

Special Order
This item is not in stock. It has a factory backorder greater than 10 days from the request of the order. Expected release date is Oct 16th 2026

Sold Out

Payment Methods
  • AMERICAN EXPRESS
  • Pay
SKU:
84013478
UPC:
047282353110
MPN:
84013478
Shipping:
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BRIGGS & STRATTON Original partOriginal Part Certification
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Description

  • Keep your equipment running smoothly with precise voltage control
  • Protects electrical components from voltage fluctuations
  • Designed specifically as a genuine BRIGGS & STRATTON OEM part
  • Supports lasting performance and reliability of your machine

84013478 AUTOMATIC VOLTAGE REGULATOR – Powering Reliability with BRIGGS & STRATTON Precision

The BRIGGS & STRATTON 84013478 AUTOMATIC VOLTAGE REGULATOR is an essential component that manages and stabilizes electrical output in handheld and riding outdoor power equipment. This BRIGGS & STRATTON part ensures your machine’s electrical system functions correctly by regulating voltage levels during operation. Whether you're using a zero-turn mower, riding mower, or other power equipment, the 84013478 AUTOMATIC VOLTAGE REGULATOR helps maintain consistent electrical performance and protects sensitive components.

BRIGGS & STRATTON Voltage Control – Maintaining Balance in Your Equipment’s Electrical System

The automatic voltage regulator plays a crucial role in safeguarding your equipment’s electrical system by controlling voltage fluctuations produced by the engine’s alternator. It prevents spikes and drops in voltage that could otherwise damage electrical parts like the battery, ignition system, and other components. By keeping the voltage steady, this BRIGGS & STRATTON part supports smooth starting, consistent operation, and extends the overall lifespan of your equipment.

BRIGGS & STRATTON Voltage Stability – Knowing When to Service Your Voltage Regulator

Timely replacement of the automatic voltage regulator is important to avoid inconsistent electrical output that can disrupt equipment performance or cause damage.

  • Electrical issues such as dimming lights or irregular charging indicate regulator problems.
  • Battery failures or difficulty starting the engine suggest voltage regulation is compromised.
  • Visible damage, corrosion, or overheating signs on the regulator itself.

BRIGGS & STRATTON Support – Answers About Your Automatic Voltage Regulator

Is this a genuine BRIGGS & STRATTON OEM part?

Yes, the 84013478 AUTOMATIC VOLTAGE REGULATOR is a genuine BRIGGS & STRATTON OEM replacement part manufactured to meet original specifications.

How do I confirm it fits my BRIGGS & STRATTON equipment?

To ensure compatibility, verify the part number by checking the model and serial number of your equipment before purchasing.

If your equipment shows signs of electrical instability, choosing a BRIGGS & STRATTON 84013478 AUTOMATIC VOLTAGE REGULATOR helps maintain its original electrical integrity. Select this genuine OEM part for reliable, precise voltage management and continued equipment performance. Purchase confidently to keep your power equipment operating as designed.

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Returns Information

You may return new, non-used, and unopened items within 30 days of delivery date under a 20% re-stocking fee in case you do not need it anymore or you have ordered a wrong item.

We cannot accept any returns on "Pumps, Motors, Electrical Items & Transmissions" whether the product is used or new, however in rare cases we may allow an exception under a 40% re-stocking fee.

If you need to return an item, please go to our chat located in the lower right corner, select the option “Returns” and follow the steps to submit your request. Please have on your hands pictures of the item, they will be requested. You will shortly receive an answer from our Customer Service Team providing authorization and return instructions. Likewise, if an exception cannot be authorized, you will receive an answer from us. No returns will be accepted in our warehouse without an RMA number (Return Merchandise Authorization).

All return shipping costs are on customer's responsibility and will not be refundable.

Returns are inspected once they arrive. If the inspection determines that the items are used, non-resellable condition, or damaged, the return will be denied and the customer will be contacted to ship the parts back at the customers' request and cost.

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Cancellations

You may cancel your order, in whole or in part, only if the part is backordered and it isn't ready to ship. Once an order has been shipped, sent from the supplier to our warehouse, or in the dispatch line, we cannot cancel it. If your order is shipped, you will need to follow our return policy to return the items you no longer want.

If you need to cancel an order or item for any reason, you may submit a cancellation request directly through your account to the "more options" section or contact us by live chat. All the cancellation requests are evaluated before its approval. If you submit a cancellation request out of business hours, on a weekend or holiday, it will be processed on the next available business day.

Please allow for the cancellation to be confirmed, and check your account for updates on the status. The cancellation process usually takes 24-48 hours to be confirmed by email. We will process your cancellation request and issue a refund to your original payment method.

In the event that an item becomes no longer available (NLA), we will cancel it from your order and ship the remaining items to you. We will send you an email notification if we cancel any part of your order.

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Some products may contain chemicals known to the State of California to cause cancer or reproductive harm. ⚠️ WARNING: www.P65Warnings.ca.gov

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