Medium
15-30 minutes
Spring Cassette Assembly 540057502
OEM part for: Husqvarna, Jonsered
Part Number: 540057502
$24.90
In Stock
Ships within 1 business day 
Jump To:
Frequently Purchased Together ?
Compatibility
This part will fit the following 29 machines
Husqvarna
435 (2008-05) Chainsaw View Diagrams & Manuals
435 E (2008-05) Chainsaw View Diagrams & Manuals
440 E (2008-05) Chainsaw View Diagrams & Manuals
450 (2011-07) Chainsaw View Diagrams & Manuals
450 (2010-09) Chainsaw View Diagrams & Manuals
445 E II Chain Saw View Diagrams & Manuals
445 II Chain Saw View Diagrams & Manuals
135 (2011-08) From Chain Saw View Diagrams & Manuals
135 E (2011-08) From Chain Saw View Diagrams & Manuals
450 E II Chain Saw View Diagrams & Manuals
455 E RANCHER II Chain Saw View Diagrams & Manuals
455 RANCHER II Chain Saw View Diagrams & Manuals
140 (2012-01) From Chain Saw View Diagrams & Manuals
140 E (2012-01) From Chain Saw View Diagrams & Manuals
435 E II Chain Saw View Diagrams & Manuals
435 II Chain Saw View Diagrams & Manuals
440 E II Chain Saw View Diagrams & Manuals
440 II Chain Saw View Diagrams & Manuals
450 II Chainsaw View Diagrams & Manuals
Jonsered
CS2240 (2010-06) Chain Saw View Diagrams & Manuals
CS2240 (2011-05) Chain Saw View Diagrams & Manuals
CS2240 S (2010-06) Chain Saw View Diagrams & Manuals
CS2240 S (2011-05) Chain Saw View Diagrams & Manuals
CS2245 (2010-07) Chain Saw View Diagrams & Manuals
CS2245 (2011-07) Chain Saw View Diagrams & Manuals
CS2245 S (2010-07) Chain Saw View Diagrams & Manuals
CS2245 S (2011-07) Chain Saw View Diagrams & Manuals
CS2250 S (2010-07) Chain Saw View Diagrams & Manuals
CS2250 S (2011-07) Chain Saw View Diagrams & Manuals
Show More Compatible Models
This item works with the following types of products:
- Chain Saw Parts
- Saw Parts
This part replaces obsolete part #: 540057501
Customer Part Reviews ?
Average Rating (out of 5):
Click to filter by ratings:
5 stars
1
4 stars
0
3 stars
0
2 stars
0
1 stars
0
< PREV
- 1
Repair was super easy, great, fast service.
The parts got to me quick and worked as advertised.
Guest -
March 12, 2020
Verified Purchase
t
t
t -
t days ago
Verified Purchase
eReplacementParts Team
t
Questions & Answers ?
Our customer Service team is at the ready daily to answer your part and product questions.
Ask our Team
We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
Does this fit my product?Questions & Answers for Spring Cassette Assembly
Would it be better to buy the cover, spring and pulley already assembled?
Terry
for model number Husqvarna 450 Rancher
asked on 2023-10-20
Hi Terry,
Thank you for your question. If you are not comfortable installing the rope and the spring cassette, then replacing the starter assembly would be the best option. The part number for the starter assembly is 544071604. We hope this helps!
eReplacementParts Team October 20, 2023
Does the rope come up from right side or left? Does it need to be prewound against spring or wrap rope around pulley till end? Not easy at all in my opinion.
Terry
for model number 450 Rancher
asked on 2023-10-20
Hi Terry,
Thank you for your question. We have included a link to one of our YouTube videos that you may reference on how to install the starter rope and spring cassette, https://www.youtube.com/watch?v=7BI9wrIVZpQ. The chainsaw in the video may appear different from yours, but it will give you a general idea on how to install the part. We hope this helps with the repair!
eReplacementParts Team October 20, 2023
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.
Broken cover snap, started rope was not going back in, not pulling over engine(started pulley broken)
ben - September 28, 2017
👍 1 of 1 people found this instruction helpful
Tool Type
Chain Saw
Difficulty
Medium
Time
15-30 minutes
Tools Used
Screwdriver
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 pulley 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
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 pulley 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
Did you find this story helpful?
Thanks for voting and helping fellow customers!
OEM stands for Original Equipment Manufacturer and means the part you’re buying is sourced directly from the manufacturer who made your product. At eReplacementParts, we sell only genuine OEM parts, guaranteeing the part you’re purchasing is of better design and of higher quality than aftermarket parts.
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.
