Easy
15-30 minutes
This chain tensioner is a genuine Echo replacement part. It is sourced directly from original equipment manufacturer for use on chainsaws. This part in conjunctions with a tensioner bolt/screw is used to apply adjustable tension to the chain/bar. If the bar doesn’t adjust when you turn the tension screw usually the tension gear/pin or the adjustment bolt is worn or damaged. Please note, this item only includes an adjustment tensionee pin, the bolt and other parts are all sold separately.
To complete this repair job you will need a set of wrenches and a screwdriver.
Tensioner 43301419830
OEM part for: Echo
Part Number: 43301419830
$4.99
In Stock
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Product Description ?
- Classification: Part
- Weight: 0.01 lbs.
- Shipping: Ships Worldwide
Frequently Purchased Together ?
Compatibility
This part will fit the following 17 machines
Echo
CS-440 (08001001 - 08007504) Chainsaw View Diagrams & Manuals
CS-440 (08007505 - 08999999) Chainsaw View Diagrams & Manuals
CS-440 (10001001 - 10999999) Chainsaw View Diagrams & Manuals
CS-440 (C07013001001 - C07013999999) Chainsaw View Diagrams & Manuals
CS-440 (C09112001001 - C09112999999) Chainsaw View Diagrams & Manuals
CS-4400 (Type 1) (After S/N 001001) Chainsaw View Diagrams & Manuals
CS-4400 (Type 1E) (001001 - 101000) Chainsaw View Diagrams & Manuals
CS-4400 (Type 1E) (After S/N 101001) Chainsaw View Diagrams & Manuals
CS-4600 (001001 - 027191) Chainsaw View Diagrams & Manuals
CS-4600 (0027192 - 0033240) Chainsaw View Diagrams & Manuals
CS-4600 (After S/N 0033241) Chainsaw View Diagrams & Manuals
CS-5000 Chainsaw View Diagrams & Manuals
CS-5000 (Type 1E) Chainsaw View Diagrams & Manuals
CS-440 (08001001-08999999) Chainsaw Lawn Equipment View Diagrams & Manuals
CS-4400 (1)(001001-101000) Chainsaw Lawn Equipment View Diagrams & Manuals
CS-4400 (1E)(101001-999999) Chainsaw Lawn Equipment View Diagrams & Manuals
CS-4600 (033241-999999) Chainsaw Lawn Equipment View Diagrams & Manuals
Show More Compatible Models
This item works with the following types of products:
- Chain Saw Parts
- Saw Parts
Questions & Answers ?
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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.
Tensioner threads stripped
William - April 4, 2018
👍 1 of 1 people found this instruction helpful
Tool Type
Chain Saw
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver, Socket set
1. Removed chain cover
2. Replaced tensioner
3. Replaced chain cover
2. Replaced tensioner
3. Replaced chain cover
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Tensioner screw bent
Michael - December 28, 2020
Tool Type
Chain Saw
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver
Removed cover and chain, then tensioner cover.
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Chain bar would not stay adjusted, after numerous attempts of adjusting. Finally realized what the issue was.
B - September 17, 2019
Tool Type
Chain Saw
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Nutdriver
1. Removal chain socket cover
2. Use flash light to inspect the tension screw & tensioner for being bent or striped.
3. Replace is in poor condition.
4. Start to finish is less than 30 minutes.
2. Use flash light to inspect the tension screw & tensioner for being bent or striped.
3. Replace is in poor condition.
4. Start to finish is less than 30 minutes.
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While changing the chain, I did not align theadjusting tensioner pin into the bar hole. When I tightened the bar hold down nuts, the tensioner screw was severely bent.bent
Dan - September 7, 2019
Tool Type
Chain Saw
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Socket set
1. Removed the 2 bar hold down nuts.
2. Removed side cover with bar chain brake.
3. Removed the chain and bar.
4. Cleaned all inside surfaces.
5. Removed the tensoiner cover screw and plate.
6. Removed the old tensioner and adjusting screw.
7. Replaced old tensioner and adjusting screw.
8. Replaced tensioner cover and screw.
9. Reassembled the above.
10. Adjusted the chain with new tensioner screw.
2. Removed side cover with bar chain brake.
3. Removed the chain and bar.
4. Cleaned all inside surfaces.
5. Removed the tensoiner cover screw and plate.
6. Removed the old tensioner and adjusting screw.
7. Replaced old tensioner and adjusting screw.
8. Replaced tensioner cover and screw.
9. Reassembled the above.
10. Adjusted the chain with new tensioner screw.
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Tensioner screw was bent. Plus it was time to tune up the saw
joe - September 7, 2017
Tool Type
Chain Saw
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Wrench Set, Small hook to pull gas and oil filters out of tanks
Exploded diagram of saw, helped with the parts I needed and YouTube always has good video with procedures and tips on these kind of repairs.
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Screw tensioner was bent so the chain could not be adjusted.
james - July 24, 2017
Tool Type
Chain Saw
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver, Wrench Set
Removed the bent screw and replaced with the new one. Easy to see what was wrong once the cover was removed. No special tools needed.
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Tensioner screw was bent.
William - May 14, 2017
Tool Type
Chain Saw
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Wrench Set
Removed the handhold/sprocket cover, removed the chain guide. Pulled out the old screw and the tensioner. Installed the new screw and the tensioner. Very simple repair.
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Tensioner Bent
Frank - January 19, 2017
Tool Type
Chain Saw
Difficulty
Medium
Time
15-30 minutes
Tools Used
Screwdriver, Pliers, Nutdriver
Removed the chain brake assembly( Make sure it is in the unlocked position)
Remove the inner guide place
Remove the old tensioner screw and tensioner, and install the new ones
Put the parts that were removed back on, and your done
Remove the inner guide place
Remove the old tensioner screw and tensioner, and install the new ones
Put the parts that were removed back on, and your done
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The tensioner screw was bent
Will - July 11, 2016
Tool Type
Chain Saw
Difficulty
Medium
Time
15-30 minutes
Tools Used
Screwdriver, Socket set
Removed the two nuts that hold the bar in place and hold the cover for the brake and the drive sprocket. The remove the small plate that covered the tensioner. Replace the tensioner and the tensioner screw. Then I put all the covers back on and was able to adjust the chain and the saw was good to go.
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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.
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.
