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

Lock Muffler Screw

Name: 691178 LOCK-MUFFLER SCREW
Brand: Briggs & Stratton
SKU: 691178
Price: 6.51 USD
Availability: InStock

Genuine Briggs & Stratton OEM · Part number 691178

The Lock Muffler Screw is a genuine Briggs & Stratton engine parts part, OEM part number 691178. Dykes Motors sells it for $6.51. 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 $24.93~~ Week sale: Save 74%

$6.51

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

4,412 more models in the OEM parts diagram, unverified

Plus 4,352 more models. Text your model and serial number below and we confirm the exact fit.

Details

This Briggs & Stratton lock-muffler screw secures the muffler to the engine, preventing vibration and maintaining a tight seal. This is an engine-specific part, so confirm your engine model or number matches the fitment list before ordering. It's a genuine Briggs & Stratton OEM 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.

Questions about part 691178

What machines does part 691178 fit?

We do not list a confirmed fitment for part 691178 on this page. Send the model and serial number of your machine to the parts desk and we will check it before you order.