Medium
30-60 minutes
This is a Genuine OEM replacement part used on a variety of Lawn and Garden equipment. The key helps to secure Flywheel in place. This is a Metal Key and it is Sold Individually.
You would need Pliers to replace this item.
Key-flywheel 222698S
OEM part for: Briggs & Stratton Engines
Part Number: 222698S
$5.95
In Stock
Ships within 1 business day 
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Product Description ?
- Classification: Part
- Weight: 0.01 lbs.
- Shipping: Ships Worldwide
Frequently Purchased Together ?
Compatibility
This Key-flywheel will fit the following 45478 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
Displaying 20 of 45478 matching models.
Briggs & Stratton Engines
Show More Compatible Models45478 total model matches. Try the above search to narrow your results.
This is the official OEM part for the following brands:
- Briggs & Stratton Engines
- Craftsman
- Husqvarna
- Lawn Boy
- Murray
- Toro
This item works with the following types of products:
- Blower
- Engine
- Generator
- Lawn Mower
- Lawn Tractor
- Pressure Washer
- Snowblower
- Vacuum
This part replaces obsolete part #: 4144, 4181, 555054, 222698
Customer Part Reviews ?
Average Rating (out of 5):
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- 1
Easy fix
Arrived quickly and fit perfect. Mower runs like new.
Guest -
December 14, 2022
Verified Purchase
Easy
Friendly efficient help
Guest -
August 16, 2022
Verified Purchase
Easy Repair
as advetised
Alan -
June 28, 2022
Verified Purchase
Easy repair
The Woman that helped me was very knowledgeable and helpful, as always the service was very fast. Thank You!
Steve -
December 7, 2021
Verified Purchase
ENGINE OVERHAUL
FIT FINE. OVERHAUL COMPLETE. ENGINE RUNS FINE.
STAN -
July 27, 2021
Verified Purchase
Flyhell puller and keys
Able to match the parts for my mower. The parts arrived quickly and in good condition. I will continue to use eReplacementParts in the future.
Guest -
April 22, 2020
Verified Purchase
Make sure to check other web cause found out they where ten dollars higher on most things an no free shipping
Well I dont think they are a good source ordered over two hundred dollars an was no free shipping most places over a hundred dollars u get free shipping an it took over two weeks to get parts an couple of parts was wrong g so had to order somewhere else
Guest -
January 27, 2020
Verified Purchase
chainwheel key is a difficult part to find - no problem with ReplacementParts
product arrived promptly as described and well packaged.
Guest -
May 6, 2019
Verified Purchase
B&S Spare Parts
The shipment, although somewhat delayed, arrived in good condition. I disassembled the engine to correct a crankshaft end play concern. It is back together now awaiting Spring for tryout.
Guest -
January 1, 2022
Verified Purchase
Good response
This part was a key part of the engine overhaul
Guest -
May 14, 2019
Verified Purchase
Questions & Answers ?
Our customer Service team is at the ready daily to answer your part and product questions.
Ask our Team
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 Key-flywheel
Don't know what size flywheel key to get?
Kristy
for model number 216702
asked on 2022-07-24
Hello Kristy, Thank you for your inquiry. We have researched the model number you have provided and show the compatible flywheel key as part# 222698S. It shows the measurements as 0.185 inches wide by 0.142 inches high by 0.554 inches long. We hope this helps and 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 July 24, 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.
Ran over a tree stump. Lawn mower stopped abruptly. Would not start again. Sheared the shaft key which put the flywheel /magneto magnet out of alignment with the magneto coil
ROBERT - June 8, 2018
👍 9 of 9 people found this instruction helpful
Tool Type
Lawn Mower
Difficulty
Medium
Time
15-30 minutes
Tools Used
Screwdriver, Pliers, Socket set, Wrench Set, Nutdriver, 3 jaw puller
Parts Used
Remove top plastic cover. Remove pull start housing assy. Remove 3 screws holding gas tank and pivoted the gas tank back and out of the way. Removed center bolt on flywheel. Used a 3 jaw puller and remove flywheel. pulled out sheared key and installed new key. reassembled everything. Started right up.
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Old engine needs to be started.
Joe - June 28, 2016
👍 5 of 5 people found this instruction helpful
Tool Type
Engine
Difficulty
Medium
Time
1-2 hours
Tools Used
Socket set, Wrench Set, Nutdriver
Parts Used
1. Checked for spark. None, removed flywheel and cleaned up points.
2. Reassembeld flywheel. Did not tighten enough. Lost key.
3. Start over. Have spark now and engine runs.
2. Reassembeld flywheel. Did not tighten enough. Lost key.
3. Start over. Have spark now and engine runs.
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The flywheel key sheared off.
Kay - June 16, 2017
👍 2 of 2 people found this instruction helpful
Tool Type
Lawn Mower
Difficulty
Easy
Time
15-30 minutes
Tools Used
Wrench Set, A flywheel puller
Parts Used
Remove the cover and the entire recoil starter. Keep the starter assembled. Used a puller to remove the flywheel. Put the key on the drive shaft and aligned it with the slot on the flywheel arbor. Reassemble the starter and the cover.
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Bent crankshaft
Lenwood - May 24, 2018
👍 1 of 1 people found this instruction helpful
Tool Type
Lawn Mower
Difficulty
Medium
Time
More than 2 hours
Tools Used
Pliers, Socket set, Nutdriver
Parts Used
Removed engine, disassembled, and removed crankshaft. Make sure to take pictures as you disassemble to help put back together correctly. Use assembly lube on moving parts. Also replaced the hub and blade for safety reasons.
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Hard start
FRANK - February 11, 2023
Tool Type
Lawn Tractor
Difficulty
Easy
Time
15-30 minutes
Tools Used
Socket set, Impact
Parts Used
Removed top cover and removed flywheel.
Installed flywheel key.
Replaced the flywheel, top cover.
Installed flywheel key.
Replaced the flywheel, top cover.
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Mower hit a tree root, flywheel key damaged
Bill - August 12, 2022
Tool Type
Lawn Mower
Difficulty
Medium
Time
15-30 minutes
Tools Used
Screwdriver, Socket set
Parts Used
Took the top off, took the bolt off the flywheel, sprayed with Wrench liquid left and use a screwdriver to pry the flywheel off. Put the new key in reversed the process. Time to mow!
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Flywheel key was sheared in half.
William - June 26, 2020
Tool Type
Lawn Mower
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Socket set, Wrench Set, rubber mallet,block of wood,phillips screwdriver
Parts Used
1- Took cover off to access the flywheel,loosen/remove pull rope from hanger & let hang out of the way.
2-Placed block of wood under the cutting blade so it would not spin.
3-Disconnected boot from spark plug.
4-Removed nut that holds flywheel(part that the pull rope spins).
5-Placed nut back on finger tight just above shaft,lightly tapped nut with rubber mallet & carefully pry up flywheel to loosen & pull off with hands.
6-Removed sheared flywheel key from slot on shaft & replaced with new flywheel key.
7- Reverse order to reassemble
8- FYI - Hard part was diagnosing problem..
2-Placed block of wood under the cutting blade so it would not spin.
3-Disconnected boot from spark plug.
4-Removed nut that holds flywheel(part that the pull rope spins).
5-Placed nut back on finger tight just above shaft,lightly tapped nut with rubber mallet & carefully pry up flywheel to loosen & pull off with hands.
6-Removed sheared flywheel key from slot on shaft & replaced with new flywheel key.
7- Reverse order to reassemble
8- FYI - Hard part was diagnosing problem..
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Lawn mower shaft key sheared
Sidney - May 16, 2019
Tool Type
Lawn Mower
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Socket set, Adjustable Wrench
Parts Used
Removed outside housing and gas tank. lossened retaning nut pulled fly wheel removed old key. Replaced new key replaced fly wheel other parts. started mower and was done .simple job. could not be happer saved a big repair bill. Sid
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motor had set outside for too many years.
Sam - March 21, 2019
Tool Type
Engine
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Pliers, Wrench Set
I could not repair the motor. The block had 2 cracks 3" long on the corners on the same side.
I will keep the parts, because I have other motors that can use the same parts.
I will keep the parts, because I have other motors that can use the same parts.
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Flywheel key sheared
Bob - June 12, 2017
Tool Type
Lawn Mower
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver, Socket set, Wrench Set, Nutdriver
1. Removed outer housing, unbolted starter cup.
2. Attached puller and removed flywheel.
3. Aligned flywheel keyway with shaft keyway and inserted the key.
4. Installed starter cup,
5. Tightened flywheel nut to 55 ft/lbs,
6. Installed housing.
2. Attached puller and removed flywheel.
3. Aligned flywheel keyway with shaft keyway and inserted the key.
4. Installed starter cup,
5. Tightened flywheel nut to 55 ft/lbs,
6. Installed housing.
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OEM stands for Original Equipment Manufacturer and means the part you’re buying is sourced directly from the manufacturer who made your product. At eReplacementParts, we sell only genuine OEM parts, guaranteeing the part you’re purchasing is of better design and of higher quality than aftermarket parts.
Learn MoreOur 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.
