This is a genuine part from original manufacturer. This sprocket drum and bearing is used in some Homelite chainsaws. A sprocket engages the chain while the bearing allows for reduced friction and stable motion. This is a relatively high wear part and usually needs replacement with regular use. Sold individually.
Sprocket Drum & Bearing 309410003
OEM part for: Homelite
Part Number: 309410003
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Compatibility
This Sprocket Drum & Bearing will fit the following 10 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
Homelite
Show More Compatible ModelsThis item works with the following types of products:
- Chain Saw Parts
- Saw Parts
Customer Part Reviews ?
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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.
Sprocket drum gear worn. Muffler gasket burnt.
Tool Type
Chain Saw
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Pliers
2. Removed the chain and the bar.
3. Removed the e-clip from the sprocket.
4. Removed the sprocket drum.
5. Installed the new sprocket drum.
Original Sprocket Wore Out.
Tool Type
Chain Saw
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver, Pliers, Socket set
Parts Used
2. Removed Bar & Chain.
3. Removed C clip from Sprocket Bearing.
4. Slid the Old Sprocket Bearing off shaft & threw away.
5. Slid the New Sprocket Bearing on shafts and replaced the C clip.
6. Reinstalled Bar & Chain and Cover.
7. Adjusted Chain Tension.
8. Put Tools Away and fired the Chain Saw up.
I saved $60 by doing this 15 minute repair myself.
Chainsaw sprocket was worn.
Tool Type
Chain Saw
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Parts Used
Chain drive hub.
Tool Type
Chain Saw
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver
Parts Used
Worn sprocket
Tool Type
Chain Saw
Difficulty
Medium
Time
1-2 hours
Tools Used
Screwdriver, Socket set
Parts Used
Remove the chain cover assembly
Remove the bar and chain
Remove the e-clip and washer from in front of the sprocket, remove the worn sprocket
Install the new sprocket replace the washer and e-clip
Install the bar and blade
Install the chain cover
Adjust the chain to the right tension
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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.