Medium
1-2 hours
This is an authentic replacement part manufactured for use with small engines. The special wrench is used to fasten and remove the spark plug while maintaining the engine. This spark plug wrench is available as an individual replacement part, please see model diagram for associative parts.
Wrench-spark Plug 89838S
OEM part for: Briggs & Stratton Engines
Part Number: 89838S
$7.07
In Stock
Ships within 1 business day 
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Compatibility
This Wrench-spark Plug will fit the following 45354 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
Displaying 20 of 45354 matching models.
Briggs & Stratton Engines
Show More Compatible Models45354 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
- Lawn Boy
- Murray
- Toro
This item works with the following types of products:
- Blower
- Engine
- Generator
- Lawn Mower
- Lawn Tractor
- Snowblower
- Vacuum
This part replaces obsolete part #: 89838 (Purchase Restrictions), 89838
Customer Part Reviews ?
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worked well
good wrench, good service
Guest -
August 9, 2022
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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.
Toro mower was hard starting. After finally starting with sarter fliud, engine soon dies out.
Kelvin - August 28, 2016
👍 3 of 5 people found this instruction helpful
Tool Type
Lawn Mower
Difficulty
Medium
Time
1-2 hours
Tools Used
Screwdriver, Pliers, Socket set
1. Remove top cover.
2. Remove air filter cover and cartridge.
3. Drained fuel then removed old fuel line.
4. Used carburetor cleaner to clean carburetor, spraying fuel inlet and choke.
5. Installed new fuel line with filter. (old fuel line did not have a filter)
6. Installed new air filter with cover.
7. Remove and installed new spark plug gapped it at 0.030.
8. Replaced top cover.
9. Fill fresh, non-ethanol fuel.
10. Crank till start.
2. Remove air filter cover and cartridge.
3. Drained fuel then removed old fuel line.
4. Used carburetor cleaner to clean carburetor, spraying fuel inlet and choke.
5. Installed new fuel line with filter. (old fuel line did not have a filter)
6. Installed new air filter with cover.
7. Remove and installed new spark plug gapped it at 0.030.
8. Replaced top cover.
9. Fill fresh, non-ethanol fuel.
10. Crank till start.
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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.
