84010390 TRANSAXLE ZT3100 LH ZJGMFE3B5B1PLX Briggs and Stratton Genuine OEM Part SUPERSEDED FROM 5102809

BRIGGS & STRATTON
Genuine Part
$1,625.20
$1,462.68
$162.52
Availability:
Special Order: Estimated lead time 3 Weeks (Factory Backorder)

Expected release date is Oct 21st 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 21st 2026

Sold Out

Payment Methods
  • AMERICAN EXPRESS
  • Pay
SKU:
84010390
UPC:
047282304402
MPN:
84010390
Condition:
New
Shipping:
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SUPERSEDED FROM:
5102809
BRIGGS & STRATTON Original partOriginal Part Certification
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Description

  • Brand Reliability: This product is an authentic BRIGGS & STRATTON replacement part, designed specifically for compatibility and optimal function within your equipment.
  • Precision Build Quality: Manufactured to meet the exact specifications set by BRIGGS & STRATTON, ensuring durability and consistent operation over time.
  • Ready for Replacement: Installing this genuine BRIGGS & STRATTON transaxle helps maintain your machine’s performance and extends its service life—consider replacing worn parts to keep your equipment running smoothly.

Seamless performance starts with the BRIGGS & STRATTON 84010390 TRANSAXLE

The BRIGGS & STRATTON 84010390 TRANSAXLE is a critical component engineered to support smooth power transmission in your outdoor equipment. As a genuine OEM part, the 84010390 transaxle maintains the integrity and function essential to your machine’s operation. Incorporating this BRIGGS & STRATTON part ensures that your equipment continues to operate as intended, without compromise.

Unwavering dependability with BRIGGS & STRATTON authentic OEM precision

This transaxle is manufactured to the original BRIGGS & STRATTON specifications, providing a reliable, exact fit and predictable performance that aftermarket alternatives often cannot guarantee.

  • Exact fit — Engineered to the precise dimensions and mounting points designed by BRIGGS & STRATTON, requiring no adaptation or modification during installation.
  • Original specification — Constructed from materials and built within tolerances determined by BRIGGS & STRATTON, preserving the performance standards of your equipment.
  • Dependable performance — Offers a consistent service life and reliable operational behavior, making it a trustworthy choice over generic parts.

The role of the BRIGGS & STRATTON 84010390 TRANSAXLE in your equipment’s operation

The transaxle acts as a transmission mechanism within powered outdoor machinery, transferring engine power to the drive wheels or cutting components. It facilitates smooth directional movement and power distribution, essential for maintaining effective control and performance of your equipment during use.

Installing the BRIGGS & STRATTON 84010390 TRANSAXLE with care and precision

Before beginning installation, ensure the engine is turned off, cooled, and that the spark plug lead is disconnected to prevent accidental starting. For accurate procedures, torque settings, and safety considerations, please consult the specific service manual for your equipment. Using the genuine BRIGGS & STRATTON part helps ensure the replacement process preserves the intended equipment functionality.

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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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