Nut Hex Toplock Jam 3

Genuine Briggs & Stratton OEM · Part number 1928731SM

The Nut Hex Toplock Jam 3 is a genuine Briggs & Stratton hardware part, OEM part number 1928731SM. Dykes Motors sells it for $4.41. It is in stock to order online, or you can pick it up at our store. Not sure it fits your machine? Send the model and serial number to the parts desk before you order. Dykes Motors is an authorized Bobcat, LS Tractor, and Ferris dealer with genuine parts and service on site.

Price and availability checked Oct 18, 2026

~~Market price $7.44~~ Save 41%

$4.41

We accept Visa, Mastercard, American Express, Discover, Apple Pay, Google Pay, Amazon Pay, PayPal, Venmo, and Klarna.

In stock. Ships in 2 to 3 business days, arrives in 1 to 2 more — by Wed, Oct 28. Free shipping on every parts order. Free pickup at 3069 Hwy 49.

Genuine OEM part. Manufacturer warranty honored at our dealership.

Authorized Briggs and Stratton Dealer

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Fits these models

637 more models in the OEM parts diagram, unverified

Plus 577 more models. Text your model and serial number below and we confirm the exact fit.

Details

This is a genuine Briggs & Stratton hex toplock jam nut, a small but essential fastener used to secure components on your engine. Toplock nuts feature a nylon insert that prevents vibration from loosening the connection. Confirm your specific engine or equipment model before ordering, as fitment details are listed separately on this page.

Verify your fitment before you order

Text your equipment model and serial number to 601.516.7255 and we confirm the exact part before you pay. Prefer to talk? Call (601) 516-7255.

Questions about part 1928731SM

What machines does part 1928731SM fit?

We do not list a confirmed fitment for part 1928731SM on this page. Send the model and serial number of your machine to the parts desk and we will check it before you order.