This is an original replacement part manufactured for use with Husqvarna chainsaws. This plastic starter pulley is used to house the pull rope, and connects the the recoil spring cassette assembly. The pulley is sold individually, please see model diagram for additional parts that are available separately.
Troubleshooting
This part works with the following brands:
Husqvarna
This part works with the following products:
Chainsaw
Part# 579427901 replaces these:
504597101,
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Customer Part Reviews
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5.0
Average Rating (out of 5):
★★★★★
★★★★★
(4 Reviews)
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★★★★★
★★★★★
great part
fixed like new would tell anyone to order for you
Guest - April 30, 2019
Verified Purchase
★★★★★
★★★★★
fast delivery !
fit my chain saw & worked great!
Guest - June 22, 2021
Verified Purchase
★★★★★
★★★★★
worked fine. Thx
thx
Guest - November 11, 2021
Verified Purchase
★★★★★
★★★★★
As described and fast shipping!
Stater Pulley was as described in the description OEM.
Guest - June 21, 2022
Verified Purchase
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1. Removed pull start assy.
2. Reinstalled starter pawl springs on flywheel.
3. Installed new starter pulley w/ new rope
4. Reinstalled pull start assy.
5. Started chainsaw
6. Pretty straight forward once I realized the pawl springs were not keeping enough tension on the pawls. This was after a new crankcase,
... Read more piston and cylinder, along with several other pieces. Saw had been run so hot that the crankcase had melted around the clutch side of the engine.
For cover snap:
1) Remove broken snap (should just fall out because its broken)
2) Insert new snap in right direction
Starter pulley and cassette:
1) Remove starter cover(some models you might have to remove chain brake handle and or engine cover)
2) Unscrew the screw in the center of the starter pull
... Read moreey and carefully remove
3) If broken unscrew and replace cassette make sure to notice direction it sits in new one must go in the same way
4)After replacing cassette if needed put new rope and handle or move old one onto the new pulley
5)Place pulley back on being careful to set the pulley aligned with the cassette to not bend the spring screw down do not over tighten
6)Rewind the cassette to where the starter rope pulls back in snug and does not hang lose but also is not to tight
7)Replace starter cover and anything else that might have been needed to be removed carefully place the starter cover onto flywheel and turn slightly while pressing down to ensure proper placement of everything
Pulled side panel off that housed starter rope. Untied end off pull cord while holding tension on rope. Slowly release presser and unwind starter spring. Loosen screw holding starter pulley and switch out. Tighten pulls bolt and start winding spring, holding tension on pulley, Thread new rope through pulley and tie off . Pull rope ti
... Read moreght and feed through housing. Slowly allow rope to retract around pulley as spring releases. With some tension on rope, reinstall handle on rope and allow to contact housing. There should be tension on started rope trying to retract. If not, remove rope and put more turns on spring before attaching rope. Repeat install of rope and handle. Check main nut on chainsaw where starter pulley contacts to insure it is tight. Mine backed out. If not tight, use wrench to tighten with lock tight on but! Then reinstall side housing. Go through start procedure to insure chainsaw starts! Your done!
1. Remove starter housing (4 allen screws)
2. Untie rope from pull handle while keeping tension on the rope
3. Release tension on the rope slowly
4. Remove screw holding starter pulley
5. Remove starter pully and remove rope
6. Replace rope on new starter pully and install
7. Pull rope thru housing and
... Read more put one turn of tension on the pully spring
8. Tie rope back to the handle and install housing
removed old pully, un wound rope, cut rope at knot in pully, removed rope from old pully, heated rope tip and pinched to fit into new pully, wrapped rope on new pully, put new pully in place winding spring about two rounds until rope returned all the way with a little tension. reassembled and cranked it up.
The repair was simple. I removed the cover pulled the broken pulley from the spring and put the new pulley on. Wound the spring and the cord and replaced the set screw that holds the pulley.
Replaced the cover on the chain saw and pulled the cord twice and the saw cranked.
The part was a perfect fit and for the price I ordere
... Read mored 2 just in case this one wears out or breaks.
Took off the side cover, took off the broken pulley, untied the rope from inside the pulley, retied the rope in the new pulley, wound the rope onto the new pulley, reinstalled the new pulley and reinstalled the side cover.
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Model Cross Reference
This part works with the following models:
ERP Number: ERP12087491
Manufacturer Part Number: 579427901
This part is in stock in our warehouse and will ship out within 1 business day of the order being placed.
New stock is on the way! On order parts usually ship within 7 business days.
Item is not in stock and usually ships 10-15 business days from the time you place your order.
This item is no longer being made by the manufacturer, and cannot be added to your shopping cart.
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Some of the parts we sell are eligible for mail-in rebates since we can recycle them. We will display any applicable rebates in your shopping cart. To redeem your rebate, contact Customer Service after you have received your part.
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_WW_11.gif "Part Location Diagram of 579427901 Husqvarna Starter Pulley")
