Easy
Less than 15 minutes
This is a genuine OEM approved replacement spark plug. It is commonly used with Makita power tools. The purpose of a spark plug is to deliver electric current from an ignition system to the combustion chamber. Over time spark plugs will wear out requiring replacement. Please note, this item is sold individually.
You would need a spark plug wrench or a socket wrench to install the spark plug.
Spark Plug 965-603-021
OEM part for: Makita
Part Number: 965-603-021
$9.11
In Stock
Ships within 1 business day 
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Product Description ?
- Classification: Part
- Weight: 0.03 lbs.
- Shipping: Ships Worldwide
Frequently Purchased Together ?
Compatibility
This Spark Plug will fit the following 133 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
Makita
Show More Compatible ModelsThis item works with the following types of products:
- Chain Saw Parts
- Saw Parts
This part replaces obsolete part #: 965-603-022, 965-603-014
Repair Videos ?
Watch the Repair Video for
Spark Plug
Articles:
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This article will guide you through the steps required to remove and install the spark plug in a Makita DPC7311 power cu...
November 05, 2014
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Customer Part Reviews ?
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Spark Plug
Great part that worked great!
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November 24, 2020
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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.
Air filter and spark plug needed replacing
joshua - May 29, 2017
👍 2 of 2 people found this instruction helpful
Tool Type
Chain Saw
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver, Socket set
Remove the air filter cover
Remove the old filter and install the new one, replace the cover
Removed the old spark plug, gapped the new one at 0.020 and installed it
Remove the old filter and install the new one, replace the cover
Removed the old spark plug, gapped the new one at 0.020 and installed it
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Minor tune-up
Jeff - April 7, 2019
Tool Type
Chain Saw
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Socket set
Removed top cover to replace air filter and spark plug.
Removed the fuel and bar oil caps and replaced them as well as the o-ring seals to stop minor fuel and bar oil leaks.
Removed the fuel and bar oil caps and replaced them as well as the o-ring seals to stop minor fuel and bar oil leaks.
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Bayonet fixing missing and bayonet lock broken
Jerry - May 28, 2016
Tool Type
Concrete Saw
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Pliers
Very simple repair. Replace the missing and broken parts and your good to go! Remove the old spark plug. And gap the new one at 0.020 and install it.
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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.
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.
