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Briggs & Stratton 691779 EXTENSION-CRANKSHAFT diagram, part 691779

Crankshaft Extension

Name: 691779 EXTENSION-CRANKSHAFT
Brand: Briggs & Stratton
SKU: 691779
Price: 56.39 USD
Availability: InStock

Genuine Briggs & Stratton OEM · Part number 691779

The Crankshaft Extension is a genuine Briggs & Stratton engine parts part, OEM part number 691779. Dykes Motors sells it for $56.39. 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 10, 2026

~~Regular price $59.96~~ Week sale: Save 6%

$56.39

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 16. 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

921 more models in the OEM parts diagram, unverified

Plus 861 more models. Text your model and serial number below and we confirm the exact fit.

Details

This genuine Briggs & Stratton OEM extension crankshaft (part number 691779) is engineered to extend the crankshaft on compatible equipment, allowing for proper belt or coupling connections in the power transmission system. This is an engine and model-specific part, so verify your equipment's model and engine number against the fitment list before ordering. As an original manufacturer part, it meets Briggs & Stratton specifications for reliable operation.

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 691779

What machines does part 691779 fit?

We do not list a confirmed fitment for part 691779 on this page. Send the model and serial number of your machine to the parts desk and we will check it before you order.