This is an original Husqvarna replacement part, manufactured for use with chainsaws. The clutch drum includes the sprocket as one piece, the sprocket drives the chain. Chainsaw sprockets wear out from normal use, a worn sprocket can cause the chain to slip or cease to spin. This clutch drum assembly also includes the needle bearing, and the assembly is sold individually.
Clutch Drum Assembly 505441501
OEM part for: Husqvarna
Part Number: 505441501
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Compatibility
This Clutch Drum Assembly will fit the following 7 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
Husqvarna
Show More Compatible ModelsThis item works with the following types of products:
- Chain Saw Parts
- Saw Parts
This part replaces obsolete part #: 504712402
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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.
General wear & tear of clutch drive and chain drive area..
Tool Type
Chain Saw
Difficulty
Medium
Time
15-30 minutes
Tools Used
Screwdriver, Hammer & punch plus a short length of rope
2. Remove spark plug and insert short length of rope (enough to stop the piston from completing a stroke) leaving enough to grip for removal latter.
3. Place punch on outer portion of clutch assembly but inside the clutch drum and strike with hammer to loosen/unscrew clutch (counter-clockwise).
4. Remove clutch, drum and worm gear assemblies.
5. Install new parts in reverse order they were removed.
6. On Cover use screwdriver to remove screw on worn cover lid, remove and replace.
Notes: Use safety glasses if using compressed air to blow off debris, disposable gloves are recommended, and remove rope from cylinder before replacing spark plug (it was only used to keep the piston from reaching top of stroke so that the clutch assembly could be unscrewed and screwed back on).
Clutch drum Assembly was worn
Tool Type
Chain Saw
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver, Hammer
Parts Used
2. Remove bar and chain
3.use hammer and screwdriver to loosen clutch
4. Grease roller bearing and install
5 install new drive sprocket
6 replace clutch
7. Replace chain and bar
8. replace chain cover
Chain sprocket/clutch disk wore out.
Tool Type
Chain Saw
Difficulty
Medium
Time
1-2 hours
Tools Used
Screwdriver, Pliers, Socket set
Parts Used
sprocket wore out
Tool Type
Chain Saw
Difficulty
Medium
Time
15-30 minutes
Tools Used
Screwdriver, Wrench Set, hammer and punch.. small rope to lock cylinder.
Parts Used
2. removed spark plug and inserted rope in cylinder to block piston to prevent crankshaft from turning.
3. used hammer and punch to loosen clutch assembly.
4. greased bearing and installed new clutch drum/sprocket.
5. installed bar and chain and replaced clutch cover.
The chain would jam and lock up during use
Tool Type
Chain Saw
Difficulty
Easy
Time
30-60 minutes
Tools Used
Screwdriver, Pliers, Wrench Set
Removed the drive sprocket/ clutch assembly.
Removed the oil pump drive.
Cleaned all parts and reassembled.
Tested saw and got ready to cut firewood
To remove the clutch assembly, I had to take the spark plug out and put about 3 inches of starter rope in the cylinder to lock the piston in place.
I used a hammer and punch to spin the clutch off the crankshaft. (left hand threads)
I had a melted worm gear due to overheating, so it was so di
Tool Type
Chain Saw
Difficulty
Hard
Time
More than 2 hours
Tools Used
Screwdriver, Wrench Set
My chainsaw is good condition now.
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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.
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