Easy
30-60 minutes
It is a genuine OEM item that is made for Bosch and Skil equipment. This is a special component which helps to provide a tight fit between connected parts. Over time it may wear out, get damaged or lost eventually requiring a replacement. Make sure to check the appropriate diagrams for your model to ensure the proper repair procedure. This high-quality o-ring is made of durable rubber and is sold as an individual item.
O-ring 1619X03779
OEM part for: Bosch
Part Number: 1619X03779
$5.24
In Stock
Ships within 1 business day 
Compatibility
This part will fit the following 9 machines
Bosch
1677M (0601677039) 7-1/4" Worm Drive Saw View Diagrams & Manuals
1678A (0601678039) 7-1/4" Worm Drive Saw View Diagrams & Manuals
1677MD (0601677139) Circular Saw View Diagrams & Manuals
1677MDT (0601677239) Circular Saw View Diagrams & Manuals
1677C-100 (0601677168) Circular Saw View Diagrams & Manuals
1677DC-100 (0601677190) Circular Saw View Diagrams & Manuals
1678 (0601678039) Un-Hd Port. Circular Saw View Diagrams & Manuals
1677M (0601677063) Circular Hand Saw View Diagrams & Manuals
1677MD (0601677166) Circular Hand Saw View Diagrams & Manuals
Show More Compatible Models
This item works with the following types of products:
- Saw Parts
- Circular Saw Parts
This part replaces obsolete part #: 2610015726
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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 change locking pin is leaking oil
John - December 7, 2015
👍 1 of 1 people found this instruction helpful
Tool Type
Circular Saw
Difficulty
Easy
Time
30-60 minutes
Tools Used
Socket set
Parts Used
Remove oil fill / level plug.
Drain Any remaining oil.
Remove blade locking pin's collar nut and gasket (#44 Fastening Pin)
Remove locking pin, spring, o-ring, and disc assembly.
Clean parts, replace o-ring,
Reassemble Locking pin components and place in position.
Install blade locking pin's collar nut and gasket (#44 Fastening Pin)
Fill Oil chamber with kerosene, put in the oil fil/ level plug, run no load one minute, dump kerosene.
Adjust the saw table for the deepest cuts, set the saw so that saw table is in a level position.
Refill with skil lubricant until the oil level meets the plug hole threads
Install the oil plug.
Drain Any remaining oil.
Remove blade locking pin's collar nut and gasket (#44 Fastening Pin)
Remove locking pin, spring, o-ring, and disc assembly.
Clean parts, replace o-ring,
Reassemble Locking pin components and place in position.
Install blade locking pin's collar nut and gasket (#44 Fastening Pin)
Fill Oil chamber with kerosene, put in the oil fil/ level plug, run no load one minute, dump kerosene.
Adjust the saw table for the deepest cuts, set the saw so that saw table is in a level position.
Refill with skil lubricant until the oil level meets the plug hole threads
Install the oil plug.
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Need to replace expansion chamber rubber and o ring.
Alexander - September 19, 2020
Tool Type
Circular Saw
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Socket set, Nutdriver, Adjustable Wrench
I disassembled the unit , cleaned at the same time and replaced the parts.
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No grease, worn out worm gear.
Gary - January 23, 2018
Tool Type
Circular Saw
Difficulty
Medium
Time
1-2 hours
Tools Used
Screwdriver, Pliers, Socket set, Wrench Set, Torx bits
Took it apart and put it back together. Your parts diagrams really helped out a lot.
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Thanks for voting and helping fellow customers!
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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.
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