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Starter Pulley Assy.​

Part Number: 503964901
HusqvarnaJonsered
Availability: 6 in stock
Price: $32.47
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Product Information
Manufacturer: Husqvarna, Jonsered
Product Number: 503964901
Classification: Part
Weight: 0.05 lbs.
Shipping: Ships Worldwide
Description:
This is a genuine OEM part. The starter pulley assembly is composed of metal and plastic, and is made for use with many lawn and garden tools. This item is fitted into the starter assembly, pulling the starter rope back into place after starting the engine. The starter pulley assembly is sold individually.
Compatibility

This part is compatible with the following machines:

Husqvarna
325 LX (2000-10) Trimmer
325 LX (2001-01) Trimmer
325 LXT (2000-01) Trimmer
325 RX (2002-01) Trimmer
326 C (2001-03) Trimmer
326 L (2001-03) Trimmer
326 LX (2001-03) Trimmer
325 RXT (2002-01) Trimmer
325 RDX (2002-01) Trimmer
325 RJX (2002-01) Trimmer
326 SX (2002-10) Sweeper
323 P4 (2002-05) Pole Saw
323 P4 (2002-05) Pole Saw
325 P4 X-Series (2001-02) Pole Saw
325 P4 X-Series (2001-02) Pole Saw
325 P4 X-Series (2002-05) Pole Saw
325 P4 X-Series (2002-05) Pole Saw
325 P5 X-Series (2002-05) Pole Saw
325 P5 X-Series (2002-05) Pole Saw
326 P4 (2002-05) Pole Saw
326 P4 (2002-05) Pole Saw
326 P4 (2004-06) Pole Saw
326 P4 (2004-06) Pole Saw
326 P4 X-Series (2001-09) Pole Saw
326 P4 X-Series (2001-09) Pole Saw
326 P4 X-Series (2002-05) Pole Saw
326 P4 X-Series (2002-05) Pole Saw
326 P5 X-Series (2002-05) Pole Saw
326 P5 X-Series (2002-05) Pole Saw
326 P5X (2004-06) Pole Saw
326 P5X (2004-06) Pole Saw
322 C (1999-03) Line Trimmer
322 C (2000-04) Line Trimmer
322 L (2000-01) Line Trimmer
322 L (2000-04) Line Trimmer
322 R (106 25 68-62) (1999-03) Line Trimmer
325 CX (2000-04) Line Trimmer
325 LX (106 25 68-62) (1999-03) Line Trimmer
325 LX (2000-01) Line Trimmer
325 LX (2000-04) Line Trimmer
325 LXT (2000-04) Line Trimmer
325 RJX (2000-01) Line Trimmer
325 RX (106 25 68-62) (1999-03) Line Trimmer
325 E X-Series (2001-01) Edger
325 E X-Series (2006-04) Edger
325 E X-Series (E-Tech 2) (2001-01) Edger
326 E X-Series (E-Tech 2) (2001-03) Edger
326 E X-Series (E-Tech 2) (2002-02) Edger
326 ES (2008-04) Edger
323 HD60 (2002-06) Hedge Trimmer
323 HD60 (2002-06) Hedge Trimmer
323 HE 3 (2005-02) Hedge Trimmer
323 HE 3 (2005-02) Hedge Trimmer
325 HDA 55 X-Series (2003-01) Hedge Trimmer
325 HDA 55 X-Series (2003-01) Hedge Trimmer
325 HDA 55x (2005-02) Hedge Trimmer
325 HDA 55x (2005-02) Hedge Trimmer
325 HE 3 (2001-01) Hedge Trimmer
325 HE 3 (2001-01) Hedge Trimmer
325 HE 3 (2001-05) Hedge Trimmer
325 HE 3 (2001-05) Hedge Trimmer
325 HE 3 X-Series (2003-01) Hedge Trimmer
325 HE 3 X-Series (2003-01) Hedge Trimmer
325 HE 3x (2005-02) Hedge Trimmer
325 HE 3x (2005-02) Hedge Trimmer
325 HE 4 (2001-01) Hedge Trimmer
325 HE 4 (2001-01) Hedge Trimmer
325 HE 4 (2001-05) Hedge Trimmer
325 HE 4 (2001-05) Hedge Trimmer
325 HE 4 X-Series (2003-01) Hedge Trimmer
325 HE 4 X-Series (2003-01) Hedge Trimmer
325 HE 4x (2005-02) Hedge Trimmer
325 HE 4x (2005-02) Hedge Trimmer
325 HS 75 (2000-10) Hedge Trimmer
325 HS 75 (2000-10) Hedge Trimmer
325 HS 75 X (2000-10) Hedge Trimmer
325 HS 75 X (2000-10) Hedge Trimmer
325 HS 75 X-Series (2003-01) Hedge Trimmer
325 HS 75 X-Series (2003-01) Hedge Trimmer
325 HS 99 (2000-10) Hedge Trimmer
325 HS 99 (2000-10) Hedge Trimmer
325 HS 99 X (2000-10) Hedge Trimmer
325 HS 99 X (2000-10) Hedge Trimmer
325 HS 99 X-Series (2003-01) Hedge Trimmer
325 HS 99 X-Series (2003-01) Hedge Trimmer
326 HD 60 X-Series (2002-02) Hedge Trimmer
326 HD 60 X-Series (2002-02) Hedge Trimmer
326 HD 60 X-Series (2003-01) Hedge Trimmer
326 HD 60 X-Series (2003-01) Hedge Trimmer
326 HD 75 X-Series (2002-02) Hedge Trimmer
326 HD 75 X-Series (2002-02) Hedge Trimmer
326 HD 75 X-Series (2003-01) Hedge Trimmer
326 HD 75 X-Series (2003-01) Hedge Trimmer
326 HDA (E-tech 2) (2001-09) Hedge Trimmer
326 HDA (E-tech 2) (2001-09) Hedge Trimmer
326 HDA 55 X-Series (2003-01) Hedge Trimmer
326 HDA 55 X-Series (2003-01) Hedge Trimmer
326 HDA 55 X-Series (2004-01) Hedge Trimmer
326 HDA 55 X-Series (2004-01) Hedge Trimmer
326 HE 3 (E-tech 2) (2001-09) Hedge Trimmer
326 HE 3 (E-tech 2) (2001-09) Hedge Trimmer
326 HE 3 X-Series (2003-01) Hedge Trimmer
326 HE 3 X-Series (2003-01) Hedge Trimmer
326 HE 3 X-Series (2004-01) Hedge Trimmer
326 HE 3 X-Series (2004-01) Hedge Trimmer
326 HE 4 (E-tech 2) (2001-09) Hedge Trimmer
326 HE 4 (E-tech 2) (2001-09) Hedge Trimmer
326 HE 4 X-Series (2003-01) Hedge Trimmer
326 HE 4 X-Series (2003-01) Hedge Trimmer
326 HE 4 X-Series (2004-01) Hedge Trimmer
326 HE 4 X-Series (2004-01) Hedge Trimmer
326 HS 75 X-Series (2002-01) Hedge Trimmer
326 HS 75 X-Series (2002-01) Hedge Trimmer
326 HS 75 X-Series (2003-01) Hedge Trimmer
326 HS 75 X-Series (2003-01) Hedge Trimmer
326 HS 99 X-Series (2002-01) Hedge Trimmer
326 HS 99 X-Series (2002-01) Hedge Trimmer
326 HS 99 X-Series (2003-01) Hedge Trimmer
326 HS 99 X-Series (2003-01) Hedge Trimmer
HA 850 Attachment (2004-01) Hedge Trimmer
HA 850 Attachment (2004-01) Hedge Trimmer
327P4 (2012-10) Polesaw
327P4 (2012-10) Polesaw
327P5X (2012-10) Polesaw
327P5X (2012-10) Polesaw
223L (2006-01) Brushcutter
223R (2006-01) Brushcutter
322R (1999-03) Brushcutter
322R (2000-05) Brushcutter
322R (2001-02) Brushcutter
323R (2002-01) Brushcutter
323R (2004-03) Brushcutter
323R (2005-05) Brushcutter
323R (2007-01) Brushcutter
323R (2008-03) Brushcutter
323RII (2008-03) Brushcutter
323RJ (2002-01) Brushcutter
323RJ (2005-05) Brushcutter
323RJ (2008-03) Brushcutter
325RJX (2005-05) Brushcutter
325RJX (2002-01) Brushcutter
325RJX (2008-03) Brushcutter
325RJX (2000-01) Brushcutter
325RX (1999-03) Brushcutter
325RX (2000-05) Brushcutter
325RX (2008-03) Brushcutter
326RJX (2004-03) Brushcutter
326RJX (2007-01) Brushcutter
326RX (2002-08) Brushcutter
326RX (2004-03) Brushcutter
Expand the 150+ compatible machines
Products Compatibility

This item works with the following types of products:

  • • Edger
  • • Hedge Trimmer
  • • Pole Saw
  • • Saw
  • • Trimmer
Questions & Answers

No questions have been asked yet
Repair Instructions: Submitted by Customers Like You
2 of 2 people found this instruction helpful
Tool Type:
Trimmer
Parts Used:
Starter Rope - 503858901
Starter Pulley Assy. - 503964901
Repair Difficulty:
Easy
Time Spent Repairing:
30-60 minutes
Tools Used:
Screwdriver
Recoil starter pulley molded catch points worn/chipped
1) I already had pulley and rope removed when I placed parts order.
2) Installed new pulley, wound up recoil spring, attached new rope w/old pull handle, released pulley to retract rope.
3) Reassembled trimmer and tested. Pull was almost effortless compared to old, which was hit or miss for pulley catching and turning over engine.
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1 of 1 people found this instruction helpful
Tool Type:
Trimmer
Parts Used:
Starter Pulley Assy. - 503964901
Screw - 503216220
Repair Difficulty:
Medium
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver, hex tool/wrench
Husqvarna 325lx trimmer - starter pulley assembly broke
Have had trouble with the trimmer this spring and summer - pull cord pulled out completely twice - took to the shop and 3-4 weeks later, was repaired and could use again. The shop should have just replaced the pulley the first time, but I guess they wanted me to enjoy more than one repair and spend extra cash. Decided to try it myself this time - thought worst case would be that I would take the part up to them to put in, if I goofed it up and couldn't finish the repair . . . . turns out it is not that hard. You just need some patience.

1. Removed the outer cover using hex tool - this piece holds the pulley assembly - keep track of your screws (that's why I needed the extra - lost one a while back and just needed a replacement)
2. Pull the old pulley assembly out of the cover - watch out for the spring as it can fly out of the assembly - pull from the top, so it will go away from you just in case.
3. Cut the rope as close to the existing knot as possible to remove the rope from the old assembly but leave the rope through the feed hole on the cover.
4. Put the freshly cut rope end through the new assembly and tie a tight knot as close to the end of the rope as possible. Push knotted end into proper place in the assembly.
5. Wind the rope tightly around the assembly and hold it in place with your finger
6. Position the assembly into the unit and try to keep the rope taught, so there will be tension and no extra rope hanging out of the top over the cover - screw assembly in place. *I failed to position perfectly, so have a very small amount of rope hanging out of the cover - it starts and the little bit of overhang isn't hurting anything though, so I will just adjust it again after the season is over.
7. Attach cover back on the trimmer and screw back in place. You may have to turn the metal piece with the pawls (inside the trimmer) a bit to to get the new assembly (inside the cover) to line up properly as it may hit the pawls and the cover wont go back on.

I didn't use the starter pawls as the other ones were still good - just bought them in case the originals decide to break later - will replace those when needed.
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Tool Type:
Trimmer
Parts Used:
Compresion Sleeve/Isolator Set - 537309601
Screw - 503961301
Starter Pulley Assy. - 503964901
Repair Difficulty:
Medium
Time Spent Repairing:
1-2 hours
Tools Used:
Screwdriver, Nutdriver
needed the shock usolator replaced for a broken tab and also a cracked pulley on starter pull
Took it all apart saw the broken bits and replaced as needed, just needed a little better technique setting the pull rope into the proper range for the new spring to return the handle home on the starter pull. It required two more additional winds of the rope on the recoil pulley beyond what the rope length had when initially installed on the recoil spring pulley. Good for another 10 years.
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Tool Type:
Trimmer
Parts Used:
Starter Pulley Assy. - 503964901
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver
Plastic pulley was stripped/damaged.
Inserted the old rope into the new pulley-recoil spring housing and secured the cover.
Did you find this story helpful?
Thanks for voting and helping fellow customers!
Tool Type:
Trimmer
Parts Used:
Starter Pulley Assy. - 503964901
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver, Torx screwdriver
Rope spring broke
Removed cover changed dog and spring assembly with 1 screw
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Thanks for voting and helping fellow customers!
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    Guest - May 27, 2020 Verified Purchase
    No problem
    Got the part quickly, fit perfectly.
    Guest - August 19, 2019 Verified Purchase
    Verified Purchase
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    Product Information
    Manufacturer: Husqvarna, Jonsered
    Product Number: 503964901
    Classification: Part
    Weight: 0.05 lbs.
    Shipping: Ships Worldwide
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