Easy
Less than 15 minutes
This is a genuine manufacturer approved replacement part designed for use with Makita saws. This is the cap for the bearing box. It is made out of black plastic and it is sold individually. No tools are needed to replace this item.
Cap 419589-1
OEM part for: Makita
Part Number: 419589-1
$5.19
In Stock
Ships within 1 business day 
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Frequently Purchased Together ?
Compatibility
This Cap will fit the following 2 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
Displaying 2 of 2 matching models.
2 total model matches. Try the above search to narrow your results.
This is the official OEM part for the following brands:
- Makita
This item works with the following types of products:
- Saw
Questions & Answers ?
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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.
Blade lock button popped off along with spring, o ring and back up washer.
Leland - May 1, 2016
👍 4 of 4 people found this instruction helpful
Tool Type
Circular Saw
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
, none
I received the parts in 5 days and was able to make the repair successful avoiding having to replace the saw. I just followed where the part were supposed to be installed by looking at the parts diagram. So easy
Thanks
Thanks
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Blade lock button broke off and was leaking oil
Kyle - August 3, 2017
👍 1 of 1 people found this instruction helpful
Tool Type
Circular Saw
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver
I used the schematic on this website and replaced the o ring and washer. I was able to use my existing spring and then just snapped the button in to place. Took about 5 minutes
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The button that locks the blade in place came off and oil would leak out
Kyle - September 28, 2016
👍 1 of 1 people found this instruction helpful
Tool Type
Saw
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver
Used the new o-ring, washer, spring and cap, and it all snapped right back into place with no more grease leaking out. Just needed a small screwdriver to help slide the o ring back into place. Took all of about 5 minutes
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Blade lock button detached and lost
David - September 15, 2018
👍 0 of 1 people found this instruction helpful
Tool Type
Circular Saw
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
, No tools required.
Replaced missing parts per schematic on your website.
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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.
