Easy
Less than 15 minutes
This is an authentic exhaust muffler specially designed for Briggs and Stratton engines commonly used on Toro lawn and garden equipment. It is supplied directly from original equipment manufacturer and it is sold individually. Muffler softens the noise coming from the engine and provides an additional layer of filtration of exhaust. This metal muffler is manufactured to meet EPA exhaust regulations.
Muffler 394569S
OEM part for: Briggs & Stratton Engines
Part Number: 394569S
$11.69
In Stock
Order within the next 12 hours and your part ships today! 
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Compatibility
This Muffler will fit the following 9652 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
Briggs & Stratton Engines
Show More Compatible ModelsThis item works with the following types of products:
- Engine Parts
This part replaces obsolete part #: 298830, 394569
Customer Part Reviews ?
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Easy repair. Great part - installed and worked perfectly.
The part was in great condition, arrived
quickly, and fit perfectly. My
lawnmower is working like new again!
Courtney -
April 18, 2023
Verified Purchase
Good service
Thanks. Fast service. Part fits & works great.
Guest -
July 7, 2021
Verified Purchase
Work perfectly
Arrive on time thanks work perfectly
Guest -
April 12, 2021
Verified Purchase
easy repair
arrived quickly, part easy to install
alan -
October 28, 2020
Verified Purchase
Lawn mower
The part arrived much sooner than I thought fit the mower perfectly and will do business with this company again
Guest -
May 21, 2020
Verified Purchase
Right part for engine
Thank you for your attention given my order, although for only a muffler, but it was the right part and now I can use by old mower again!! Thanks for your prompt, efficient effort, not only to make sure I had the right part, but prompt processing and shipping.
Guest -
June 26, 2019
Verified Purchase
Works great
New part fits like a glove
Guest -
July 29, 2020
Verified Purchase
Questions & Answers ?
Our customer Service team is at the ready daily to answer your part and product questions.
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We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
Does this fit my product?Questions & Answers for Muffler
First six numbers are model number the second set of numbers are the type. My question is I need a new muffler. This is an old lawn mower, none of my numbers match up to yours. Mower is made by MTD a yard man push. It has a Briggs and Stratton 550 series, 158cc. Any help would be great. Thanks
Jack
for model number 10T-802-0778-B1
asked on 2022-05-06
Hello Jack, thank you for your inquiry. The model is good if you take out the hyphen between the T and 8. Briggs and Stratton 10T802-0778-B1 Engine. There are two listings for mufflers. One is Muffler (Super Lo Tone) part 692307 and Exhaust Muffler S/?A 39 part 394569S. There are photos of each on our site for you to see. If you need help placing an order, customer service is open 7 days a week. Please feel free to give us a call. We look forward to hearing from you.
eReplacementParts Team May 06, 2022
Customer Repair Instructions ?
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.
Old and rusty muffler eventually vibrated off.
Roger - June 5, 2016
👍 6 of 7 people found this instruction helpful
Tool Type
Lawn Mower
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Adjustable Wrench
Parts Used
Unscrew the old part with channel locks and simply screwed the new muffler in by hand and tighten with channel locks. The time it took was less than a minute.
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Needed new muffler and air filter
Jonathan - September 3, 2017
👍 1 of 1 people found this instruction helpful
Tool Type
Lawn Mower
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver, Channel locks
Parts Used
Removed old muffler with channel lock pliers. Came right off. Installed new air filter.
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Muffler fell off.
Kevin - June 28, 2017
👍 1 of 1 people found this instruction helpful
Tool Type
Lawn Mower
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Pliers
Parts Used
Unscrew the old and secure the new one.
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old muffler deteriorated
Harlan - May 15, 2022
Tool Type
Lawn Mower
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Adjustable Wrench
Parts Used
It was a simple job of unscrewing the old muffler and screwing in the new.
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Customer had a bad rope on his lawn mower replace the rope and going to replace the starter clutch starplex squeals
James - November 11, 2021
Tool Type
Lawn Mower
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Socket set, Wrench Set, for recall repair I have a Briggs starter clutch tools
Parts Used
My full tune up spark plug air filter oil change spiral key put a new carburetor and diaphragm on shuffle blade repair recall as an extra pair if necessary... I am a small engine mechanic been doing it since 1984 I enjoy fixing lawn mowers and tractors especially old machines that I have not been running 5 years
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The muffler was rust and a little bit bent
Shelley - November 6, 2021
Tool Type
Lawn Mower
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Wrench Set, Vice grip
Parts Used
1. I grabbed the muffler with vice grips and unscrewed it off the mower
2. I took the new muffler and screwed it in as tight as I could
2. I took the new muffler and screwed it in as tight as I could
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Black smoke, broken primer bulb.
Herbert - February 3, 2016
👍 1 of 2 people found this instruction helpful
Tool Type
Lawn Mower
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver, Pliers, Socket set, Adjustable Wrench, WD40
Add WD40 to all screws to be removed. Unscrew old muffler, clean area and screw the new muffler in. Clean filter case, add new filter. Remove old primer bulb, clean area with rag and WD40 and you will be able too see the old retainer. Remove old retainer by using a flat head screw driver in the outside holes. Insert towards the back of the hole and pry old retainer out. Insert new bulb and new retainer.
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Our product descriptions are a combination of data sourced directly from the manufacturers who made your product as well as content researched and curated by our content & customer service teams. This content is edited and reviewed internally before being made public to customers.
Our customer service team are at the ready daily to answer your part and product questions. We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
All our part reviews are solicited directly from other customers who have purchased this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
Based on data from past customer purchasing behaviors, these parts are most commonly purchased together along with the part you are viewing. These parts may be necessary or helpful to replace to complete your current repair.
All our installation videos are created and produced in collaboration with our in-house repair technician, Mark Sodja, who has helped millions of eReplacementParts customers over the last 13 years repair their products. Mark has years of experience in selling and repairing both commercial and residential products with a specialty in gas-powered equipment.
This data is collected from customers who submitted a repair instruction after replacing this exact part. Customers can rate how easy the repair was to complete and how long it took. We aggregate this data to provide a repair rating that allows customers to quickly determine the difficulty and time needed to perform their own repair.
