Easy
15-30 minutes
This replacement traction cable is an authentic item that is specially manufactured for Lawn Boy walk-behind lawn mowers. The purpose of the traction cable is to engage the drive wheels on the lawn mower. It is connected to the traction bail and then attached to the traction bracket near the transmission, please see appropriate diagrams for correct location of this item. Note that this high quality rubber insulated cable is sold individually.
Cable-traction 107-3902
OEM part for: Lawn Boy
Part Number: 107-3902
$23.64
In Stock
Ships within 1 business day 
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Compatibility
This Cable-traction will fit the following 63 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
Displaying 20 of 63 matching models.
Lawn Boy
Show More Compatible Models63 total model matches. Try the above search to narrow your results.
This is the official OEM part for the following brands:
- Lawn Boy
- Toro
This item works with the following types of products:
- Lawn Mower
Customer Part Reviews ?
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Works like new again.
The drive cable was exactly like the old one. Installed in a few minutes and the mower works like it was when it was new.
Ron -
August 25, 2023
Verified Purchase
Happy Lawn Boy
Part arrived in 3 days and fit like a glove. Thanks to all of you
Guest -
July 28, 2023
Verified Purchase
Right part at a good Price
I got the right part in a timely manner, my mower is working great now.
David -
April 26, 2022
Verified Purchase
Worked perfect!
My lawn mower is back on the job and I'm happy.
Guest -
July 5, 2021
Verified Purchase
Exact matching part... Replacement was pretty easy
The part was what we ordered and it arrived within days. My lawn mower works great now.
Guest -
July 18, 2020
Verified Purchase
Perfect fit
The parts Lawn Boy mower parts were a perfect fit. Thank you
Guest -
April 29, 2020
Verified Purchase
Lawn Boy Traction cable
The part came quickly, was is perfect condition, self propell back in action. Thanks eReplacementParts.
Guest -
August 2, 2019
Verified Purchase
Cable Replacement
All went smoothly..both times. I ordered the wrong part at first and got it right with the second order. The part worked perfectly and I was up and running. What I liked best was the ease of finding the picture of the parts on my older mower and the on-time shipping from the source.
Guest -
July 9, 2019
Verified Purchase
part worked better than I thought considering extra length.
Part worked well although about 8 in. too long. Just made adjustments with extra cable.
Guest -
July 4, 2019
Verified Purchase
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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.
Traction cable had broken at the handle end.
Kurt - August 13, 2016
👍 12 of 12 people found this instruction helpful
Tool Type
Lawn Mower
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Socket set
Parts Used
Safety: Lawn mower should be turned off before starting, of course. Use gloves, safety glasses, and other personal protective equipment, as needed.
1. Remove trim bag or mulching plug.
2. Remove two screws that hold plastic cover on rear of mower platform.
3. Loosen screw that holds the traction cable clamp near the mower handle.
4. Unhook the spring at the end of the cable from the lever mechanism of the drive belt.
5. Remove old traction cable.
6. Route new cable in the same path the old one was routed.
7. Attach the spring to the drive belt lever.
8. Attach the cable to the traction lever near the mower handle.
9. Tighten the cable clamp near the mower handle.
Note: Test the engagement of the drive belt and adjust the cable position under the clamp so the the belt does not engage when relaxed and engages well when depressed.
10. Replace the plastic cover and screws.
11. Replace the mulch plug or trim bag.
1. Remove trim bag or mulching plug.
2. Remove two screws that hold plastic cover on rear of mower platform.
3. Loosen screw that holds the traction cable clamp near the mower handle.
4. Unhook the spring at the end of the cable from the lever mechanism of the drive belt.
5. Remove old traction cable.
6. Route new cable in the same path the old one was routed.
7. Attach the spring to the drive belt lever.
8. Attach the cable to the traction lever near the mower handle.
9. Tighten the cable clamp near the mower handle.
Note: Test the engagement of the drive belt and adjust the cable position under the clamp so the the belt does not engage when relaxed and engages well when depressed.
10. Replace the plastic cover and screws.
11. Replace the mulch plug or trim bag.
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Rear drive cable broke.
Michael - September 2, 2016
👍 4 of 4 people found this instruction helpful
Tool Type
Lawn Mower
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver
Parts Used
Removed broken cable and replaced with new one. Perfect length.
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Drive cable broke
brian - May 4, 2017
👍 2 of 2 people found this instruction helpful
Tool Type
Lawn Mower
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver, Socket set, N/A
Parts Used
Removed rear cover, two screws and remove broken cable with 10mm socket on the handle. Inserted new cable exactly the way you removed the old one and adjusted the new cable with the 19mm nut. If after you touch down on the personal pace handle and the mower doesn't move to good , adjust the cable level so that it get tighter.
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Traction cable top connector broke
Donald - September 26, 2016
👍 2 of 2 people found this instruction helpful
Tool Type
Lawn Mower
Difficulty
Easy
Time
30-60 minutes
Tools Used
Screwdriver, Pliers
Parts Used
Removed old cable. Replaced and adjusted tension. (Used Phillips head screw driver to remove cover) (used needle nose
Pliers to compress tabs on black plastic cable anchor to remove old)
Pliers to compress tabs on black plastic cable anchor to remove old)
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Traction cable broke after 10 years of mower use
Donald - September 13, 2017
👍 1 of 1 people found this instruction helpful
Tool Type
Lawn Mower
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Wrench Set
Parts Used
Removed old pieces of the broken traction cable.
Followed the online instructions provided by ereplacement web site.
Tested cable tension a little bit and then repair completed.
Need to be willing to get your hands down into the belt area to make lower connection. Hands need to be able to access this area.
Overall, great response from ereplacement for shipping and never missed a lawn cut.
Followed the online instructions provided by ereplacement web site.
Tested cable tension a little bit and then repair completed.
Need to be willing to get your hands down into the belt area to make lower connection. Hands need to be able to access this area.
Overall, great response from ereplacement for shipping and never missed a lawn cut.
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Top end broken off Tram cable
David - April 28, 2022
Tool Type
Lawn Mower
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Wrench Set, None
Parts Used
Loosened cable retainer on top end. Took two screws out of cover plate where cable goes through. Force cable mount out of it’s mounting bracket. Take cable loose on the lower end. Remove old cable, route and install new cable. The cable mount on the lower end just snaps in from the top. Secure and adjust tram speed on top end.
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Traction Cable broke near the handle, and the Cable Guide also was broken
SUZANNE - August 12, 2017
Tool Type
Lawn Mower
Difficulty
Medium
Time
1-2 hours
Tools Used
Screwdriver, Pliers, Socket set
Parts Used
I followed the steps a previous user had posted on replacing the Traction Cable; replacing the Cable Guide required more research. Borrowing from the previous user, here are the steps I took for replacing the two parts:
1. Remove trim bag or mulching plug.
2. Remove two screws that hold plastic cover on rear of mower platform.
3. Loosen nut that holds the traction cable clamp near the mower handle.
4. (First, I took a picture so I would recall the direction of the spring hook in the lever mechanism of the drive belt.) Unhook the spring at the end of the cable from the lever mechanism of the drive belt.
5. The Traction Cable is locked-in-place by threading through a guide hole; I used needle-nose pliers to squeeze the tabs in, in order to slide the cable back out of that hole. This looks to be a standard feature to lock-in-place when a cable is threaded through a hole, but this was the first time I had worked on a cable; knowing how to disengage this lock in order to pull the cable back through the hole is very important.
6. I now paused in the Traction Cable removal process, in order to begin the Cable Guide replacement process. I disengaged the S-link at the engine end of the Brake Cable.
7. In order to pull the Brake Cable through the hole in the bracket, I used needle-nose pliers to squeeze the tabs in.
8. I slid the broken Cable Guide off of the two cables.
9. I snapped the post of the new Cable Guide into place on the Lower Tube.
10. I threaded the Brake Cable through the Cable Guide, then through the hole where the tabs will lock, and reattached the S-link.
11. Remove old traction cable.
12. The new Traction Cable needs the spring attached to the drive-belt lever, and the cable lock (with the tabs) needs to be pulled through that hole. (I don't remember which one I did first, or if it matters.)
13. Route new cable through the Cable Guide, by the same path the old one was routed.
14. Attach the cable to the traction lever near the mower handle.
15. Tighten the cable clamp near the mower handle.
Note: Test the engagement of the drive belt and adjust the cable position under the clamp so the the belt does not engage when relaxed and engages well when depressed.
16. Replace the plastic cover and screws.
17. Replace the mulch plug or trim bag.
1. Remove trim bag or mulching plug.
2. Remove two screws that hold plastic cover on rear of mower platform.
3. Loosen nut that holds the traction cable clamp near the mower handle.
4. (First, I took a picture so I would recall the direction of the spring hook in the lever mechanism of the drive belt.) Unhook the spring at the end of the cable from the lever mechanism of the drive belt.
5. The Traction Cable is locked-in-place by threading through a guide hole; I used needle-nose pliers to squeeze the tabs in, in order to slide the cable back out of that hole. This looks to be a standard feature to lock-in-place when a cable is threaded through a hole, but this was the first time I had worked on a cable; knowing how to disengage this lock in order to pull the cable back through the hole is very important.
6. I now paused in the Traction Cable removal process, in order to begin the Cable Guide replacement process. I disengaged the S-link at the engine end of the Brake Cable.
7. In order to pull the Brake Cable through the hole in the bracket, I used needle-nose pliers to squeeze the tabs in.
8. I slid the broken Cable Guide off of the two cables.
9. I snapped the post of the new Cable Guide into place on the Lower Tube.
10. I threaded the Brake Cable through the Cable Guide, then through the hole where the tabs will lock, and reattached the S-link.
11. Remove old traction cable.
12. The new Traction Cable needs the spring attached to the drive-belt lever, and the cable lock (with the tabs) needs to be pulled through that hole. (I don't remember which one I did first, or if it matters.)
13. Route new cable through the Cable Guide, by the same path the old one was routed.
14. Attach the cable to the traction lever near the mower handle.
15. Tighten the cable clamp near the mower handle.
Note: Test the engagement of the drive belt and adjust the cable position under the clamp so the the belt does not engage when relaxed and engages well when depressed.
16. Replace the plastic cover and screws.
17. Replace the mulch plug or trim bag.
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Cable traction broke.
Thomas - June 11, 2017
Tool Type
Lawn Mower
Difficulty
Easy
Time
15-30 minutes
Tools Used
Adjustable Wrench
Parts Used
Just replaced the cable and made the necessary tension adjustments.
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Self propelled cable broke.
Dwight - June 9, 2017
Tool Type
Lawn Mower
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver, Pliers
Parts Used
I removed the old cable, then installed the new one just like the old one was.
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Broken cable
David - April 21, 2017
Tool Type
Lawn Mower
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver, Pliers, Socket set, Wrench Set
Parts Used
I looked how the old cable was attach at both ends.
Then installed the new cable
Then installed the new cable
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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.
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