Square Key

Name: 23139GS KEY-SQUARE
Brand: Briggs & Stratton
SKU: 23139GS
Price: 3.90 USD
Availability: InStock

Genuine Briggs & Stratton OEM · Part number 23139GS

The Square Key is a genuine Briggs & Stratton accessories part, OEM part number 23139GS. Dykes Motors sells it for $3.90. 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 17, 2026

~~Market price $8.55~~ Save 54%

$3.90

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 Fri, Oct 23. 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

483 more models in the OEM parts diagram, unverified

Plus 423 more models. Text your model and serial number below and we confirm the exact fit.

Details

This is a genuine Briggs & Stratton OEM square key (part number 23139GS), a small but critical fastening component used in engine assembly and power transmission. Square keys lock rotating shafts and hubs together to prevent slippage during operation. This part is specific to certain Briggs & Stratton engines, so verify your engine model number against the fitment list on this page before ordering.

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 23139GS

What machines does part 23139GS fit?

We do not list a confirmed fitment for part 23139GS on this page. Send the model and serial number of your machine to the parts desk and we will check it before you order.