Briggs & Stratton 591861 JET-MAIN diagram, part 591861

Main Jet

Genuine Briggs & Stratton OEM · Part number 591861

The Main Jet is a genuine Briggs & Stratton fuel system part, OEM part number 591861. Dykes Motors sells it for $27.43. 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

Market price $31.83 Save 14%
$27.43

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

In stock. Ships within 1 to 2 business days, arrives in 3 to 5 more — by Tue, Oct 13. Shipping: $11.95 flat for the order, however many parts are on it - free once your parts order reaches $99. Or 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

255 more models in the OEM parts diagram, unverified

Plus 195 more models. Text your model and serial number below and we confirm the exact fit.

Details

This is a genuine Briggs & Stratton OEM jet-main fuel system component (part number 591861) that meters fuel flow within the carburetor. This part is engine and model specific, so verify your equipment's model or engine number against the fitment list before ordering to ensure correct fit.

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 591861

What machines does part 591861 fit?

We do not list a confirmed fitment for part 591861 on this page. Send the model and serial number of your machine to the parts desk and we will check it before you order.

How much is part 591861?

Dykes Motors sells the Main Jet, part number 591861, for $27.43. Price and availability were checked Oct 3, 2026.

Is part 591861 a genuine Briggs & Stratton part?

Yes. Part 591861 is a genuine Briggs & Stratton OEM part.

Is part 591861 in stock?

Yes. It is in stock to order online, or you can pick it up at our store.

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$27.43591861 JET-MAIN
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3069 Hwy 49, Collins, MS 39428 · (601) 516-7255 · Get directions