This is a genuine replacement part sourced from the original manufacturer for use with chainsaws made by Craftsman. When the clutch is engaged, this part turns and moves the chain around the bar. You will need a wrench set to replace this part. This assembly drum includes a sprocket and a metal clutch drum. This part is made of metal.
Assy Drum An 545171901
OEM part for: Craftsman
Part Number: 545171901
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Frequently Purchased Together ?
Compatibility
This part will fit the following 3 machines
Craftsman
This item works with the following types of products:
- Chain Saw Parts
- Saw Parts
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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.
drive sprocket for chain worn
Tool Type
Chain Saw
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Socket set, hammer and punch
Parts Used
2. Removed clutch assembly by hammering tangs clockwise (clutch spins on and off with left hand thread)
3. Removed inner washer and clutch drum (which has sprocket on inner side)
4. Removed remaining washer
5. cleaned all gunk and oily sawdust with air hose
6. in reverse order, installed washers and new clutch drum, clutch, bar and chain, and clutch cover. Tensioned chain. Tighten. Good to go.
Chainsaw chain fall
Tool Type
Chain Saw
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Parts Used
2) Remove the chain.
3)Remove the u]er cover, where the filter and spark are.
4) Remove the spark.
5) Insert a rope into the spark hole, to keep the piston from moving.
6) Used a hammer to hit softly the clutch, it has to be taken off clockwise.
7)Remove the drum assy.
8) Replace the broken part, and assemble everything back.
Chain sprocket wore out/broke.
Tool Type
Chain Saw
Difficulty
Easy
Time
15-30 minutes
Tools Used
Pliers, Shoe lace
Parts Used
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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.
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