Muffler Adapter
Genuine Briggs & Stratton OEM · Part number 394584
The Muffler Adapter is a genuine Briggs & Stratton engine parts part, OEM part number 394584. Dykes Motors sells it for $71.49. 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
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.
Fits these models
1,060 more models in the OEM parts diagram, unverified
- Appears in the OEM parts diagram for Briggs & Stratton 233411-0278-99
- Appears in the OEM parts diagram for Briggs & Stratton 233411-0337-99
- Appears in the OEM parts diagram for Briggs & Stratton 233411-1143-01
- Appears in the OEM parts diagram for Briggs & Stratton 233431-0631-99
- Appears in the OEM parts diagram for Briggs & Stratton 233431-0632-99
- Appears in the OEM parts diagram for Briggs & Stratton 233431-0634-99
- Appears in the OEM parts diagram for Briggs & Stratton 233431-0638-99
- Appears in the OEM parts diagram for Briggs & Stratton 233431-0639-99
- Appears in the OEM parts diagram for Briggs & Stratton 233431-0642-99
- Appears in the OEM parts diagram for Briggs & Stratton 233431-0643-99
- Appears in the OEM parts diagram for Briggs & Stratton 233431-0647-99
- Appears in the OEM parts diagram for Briggs & Stratton 233431-0648-99
- Appears in the OEM parts diagram for Briggs & Stratton 233431-0650-99
- Appears in the OEM parts diagram for Briggs & Stratton 233431-0651-99
- Appears in the OEM parts diagram for Briggs & Stratton 233431-0652-99
- Appears in the OEM parts diagram for Briggs & Stratton 233431-1130-01
- Appears in the OEM parts diagram for Briggs & Stratton 233431-1131-01
- Appears in the OEM parts diagram for Briggs & Stratton 233431-1132-01
- Appears in the OEM parts diagram for Briggs & Stratton 233431-1132-02
- Appears in the OEM parts diagram for Briggs & Stratton 233431-1132-03
- Appears in the OEM parts diagram for Briggs & Stratton 233431-1132-04
- Appears in the OEM parts diagram for Briggs & Stratton 233431-1132-05
- Appears in the OEM parts diagram for Briggs & Stratton 233431-1132-06
- Appears in the OEM parts diagram for Briggs & Stratton 233431-1132-07
- Appears in the OEM parts diagram for Briggs & Stratton 233431-1132-08
- Appears in the OEM parts diagram for Briggs & Stratton 233431-1134-01
- Appears in the OEM parts diagram for Briggs & Stratton 233431-1135-01
- Appears in the OEM parts diagram for Briggs & Stratton 233431-1136-01
- Appears in the OEM parts diagram for Briggs & Stratton 233431-1136-02
- Appears in the OEM parts diagram for Briggs & Stratton 233431-1137-01
- Appears in the OEM parts diagram for Briggs & Stratton 233431-1138-01
- Appears in the OEM parts diagram for Briggs & Stratton 233431-1138-02
- Appears in the OEM parts diagram for Briggs & Stratton 233431-1138-03
- Appears in the OEM parts diagram for Briggs & Stratton 233431-1138-04
- Appears in the OEM parts diagram for Briggs & Stratton 233431-1138-05
- Appears in the OEM parts diagram for Briggs & Stratton 233431-1138-06
- Appears in the OEM parts diagram for Briggs & Stratton 233431-1140-01
- Appears in the OEM parts diagram for Briggs & Stratton 233431-1144-01
- Appears in the OEM parts diagram for Briggs & Stratton 233431-1144-02
- Appears in the OEM parts diagram for Briggs & Stratton 233431-1144-03
- Appears in the OEM parts diagram for Briggs & Stratton 233431-1144-04
- Appears in the OEM parts diagram for Briggs & Stratton 233431-1144-06
- Appears in the OEM parts diagram for Briggs & Stratton 233431-1144-07
- Appears in the OEM parts diagram for Briggs & Stratton 233431-1145-01
- Appears in the OEM parts diagram for Briggs & Stratton 233431-1146-01
- Appears in the OEM parts diagram for Briggs & Stratton 233431-1147-01
- Appears in the OEM parts diagram for Briggs & Stratton 233431-1149-01
- Appears in the OEM parts diagram for Briggs & Stratton 233431-1153-01
- Appears in the OEM parts diagram for Briggs & Stratton 233431-1155-01
- Appears in the OEM parts diagram for Briggs & Stratton 233431-1155-02
- Appears in the OEM parts diagram for Briggs & Stratton 233431-1155-03
- Appears in the OEM parts diagram for Briggs & Stratton 233431-2520-01
- Appears in the OEM parts diagram for Briggs & Stratton 233431-2520-02
- Appears in the OEM parts diagram for Briggs & Stratton 233431-2520-03
- Appears in the OEM parts diagram for Briggs & Stratton 233431-2520-04
- Appears in the OEM parts diagram for Briggs & Stratton 233431-2520-05
- Appears in the OEM parts diagram for Briggs & Stratton 233431-2521-01
- Appears in the OEM parts diagram for Briggs & Stratton 233431-2521-02
- Appears in the OEM parts diagram for Briggs & Stratton 233431-2521-03
- Appears in the OEM parts diagram for Briggs & Stratton 233431-2522-01
Plus 1,000 more models. Text your model and serial number below and we confirm the exact fit.
Details
This Briggs & Stratton muffler adapter connects the muffler assembly to the engine exhaust outlet. Confirm your specific engine model or model number before ordering, as this part is engine-specific—a complete fitment list is available on this page. This is a genuine Briggs & Stratton OEM part (number 394584).
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 394584
What machines does part 394584 fit?
We do not list a confirmed fitment for part 394584 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 394584?
Dykes Motors sells the Muffler Adapter, part number 394584, for $71.49. Price and availability were checked Oct 16, 2026.
Is part 394584 a genuine Briggs & Stratton part?
Yes. Part 394584 is a genuine Briggs & Stratton OEM part.
Is part 394584 in stock?
Yes. It is in stock to order online, or you can pick it up at our store.
Fits the same machines



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


