Week Parts Sale, ends Saturday Sale prices shown on every part.

Flywheel

Name: 590421 FLYWHEEL
Brand: Briggs & Stratton
SKU: 590421
Price: 153.59 USD
Availability: InStock

Genuine Briggs & Stratton OEM · Part number 590421

The Flywheel is a genuine Briggs & Stratton engine parts part, OEM part number 590421. Dykes Motors sells it for $153.59. 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 13, 2026

~~Regular price $167.19~~ Week sale: Save 8%

$153.59

Pay over time with Klarna, available at checkout.

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In stock. Ships in 2 to 3 business days, arrives in 1 to 2 more — by Tue, Oct 20. 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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📦 Ships insured✅ 100 percent genuine Briggs & Stratton OEM🔄 Wrong part? We make it right

Fits these models

142 more models in the OEM parts diagram, unverified

Plus 82 more models. Text your model and serial number below and we confirm the exact fit.

Details

This Briggs & Stratton flywheel (OEM #590421) is a rotating engine component that helps regulate engine speed and stores rotational energy to keep your equipment running smoothly. This part is engine and model specific, so verify your equipment's model or engine number against the fitment list before ordering. It's a genuine Briggs & Stratton original equipment part.

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.

Not sure it fits your machine

Our parts desk can confirm the exact part for your equipment before you buy. Call (601) 516-7255 with your model and serial number and we will match the right part. Prefer to send the details in writing? Use our contact page.

Questions about part 590421

What machines does part 590421 fit?

We do not list a confirmed fitment for part 590421 on this page. Send the model and serial number of your machine to the parts desk and we will check it before you order.