Easy
15-30 minutes
This replacement upper drive shaft housing assembly is a genuine OEM sourced item, not an aftermarket imitation. It is a high quality item designed for use with handheld string trimmers. It is the upper shaft that is attached to the motor. Please note, this assembly includes the metal housing and the flexible metal shaft that drives the unit. Includes (1) assembly per order.
You will need a screwdriver to replace this item.
Upper Drive Shaft Housing Asse 753-04236
OEM part for: Ryobi, Troy-Bilt
Part Number: 753-04236
$100.83
In Stock
Order within the next 39 minutes and your part ships today! 
Product Description ?
- Classification: Part
- Weight: 1.15 lbs.
- Shipping: Ships Worldwide
Compatibility
This Upper Drive Shaft Housing Asse will fit the following 185 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
This item works with the following types of products:
- Trimmer Parts
This part replaces obsolete part #: 753-05834
Customer Part Reviews ?
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Easy repair
Great fit
Dave -
June 19, 2023
Verified Purchase
Upper drive shaft
Worked great
Guest -
September 6, 2021
Verified Purchase
Great part, easy repair
This part fit perfectly and I used the repair video to help me repair my string trimmer. It works great.
Guest -
July 30, 2020
Verified Purchase
Finally worked.
The shaft was actually too long compared to OEM (1/4 longer), which I have to trim off the ends (both upper & lower shafts) in order for the cables (upper & lower) to connect. But I got them to work.
Guest -
May 18, 2020
Verified Purchase
Part was the wrong one
the part was to long
Guest -
July 12, 2023
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.
The upper flexibel shaft broke at the distal end
Bruce - October 8, 2017
👍 6 of 6 people found this instruction helpful
Tool Type
Trimmer
Difficulty
Easy
Time
30-60 minutes
Tools Used
Screwdriver, Nutdriver, Torx drivers, 2 sizes, don\\\'t rember which ones.
Parts Used
I had disassembled the parts previously to determine the problem so that part was easy. It was disappointing to learn that only the flexible shaft itself could not be purchased. The entire upper assembly was needed. The replacement part was marked for Ryobi when my trimmer is a Troy-bilt but that was expected. Replacing so the trimmer head would turn was a breeze. Replacing the handle and clip for the shoulder strap was slightly more difficult because I'd assembled the lower shaft to check function before realizing it had to be removed to place the handle on the new part. The shoulder strap on the old part was impossible to remove. I used a spring type hose clamp with a section of rubber cut from and old bicycle tire underneath on the new one to make a new shoulder strap attachment point.
If one could buy and replace only the broken flexible shaft the repair would have been easier. Maybe there's a reason this cannot be done.
If one could buy and replace only the broken flexible shaft the repair would have been easier. Maybe there's a reason this cannot be done.
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The internal upper shaft cable needed replacement. It is replaced within the upper shaft as one replacement piece.
James - May 24, 2016
👍 8 of 11 people found this instruction helpful
Tool Type
Trimmer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver, Socket set, Allen wrenches
Parts Used
Simply put it together reverse of how you dissembled it. It was relatively an easy fix . . . And I am up a running once again!
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Broken Upper Drive Shaft Cable
Michael - September 5, 2017
👍 3 of 3 people found this instruction helpful
Tool Type
Trimmer
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver, Power Drill, Wrench Set
Parts Used
1. Separated the head from the lower drive shaft.
2. Separated the lower drive shaft from the upper drive shaft.
3. Separated the trigger mechanism from upper drive shaft
4. Separated and the upper drive shaft housing from the motor assembly.
5. Inserted new upper drive shaft housing.
6. Reassembled trimmer.
7. Found that the upper drive assembly was not proper engaged with the motor.
8. Repeated steps 2 through 5.
9. Found the anchoring holes in the new drive shaft did not allow for the engagement with the motor.
10. Properly seeded the upper drive shaft housing and drilled new holes to anchor the housing to the motor.
11. Reassembled the trimmer.
2. Separated the lower drive shaft from the upper drive shaft.
3. Separated the trigger mechanism from upper drive shaft
4. Separated and the upper drive shaft housing from the motor assembly.
5. Inserted new upper drive shaft housing.
6. Reassembled trimmer.
7. Found that the upper drive assembly was not proper engaged with the motor.
8. Repeated steps 2 through 5.
9. Found the anchoring holes in the new drive shaft did not allow for the engagement with the motor.
10. Properly seeded the upper drive shaft housing and drilled new holes to anchor the housing to the motor.
11. Reassembled the trimmer.
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drive tube between the clutch and coupler cracked from metal fatigue
John - June 6, 2022
Tool Type
Trimmer
Difficulty
Medium
Time
15-30 minutes
Tools Used
Screwdriver, Socket set, Wrench Set
Parts Used
1. removed engine assembly from end of drive tube
2. removed throttle assembly from center of drive tube
3. removed coupler from end of drive tube.
4. reinstalled in reverse order using new drive tube
5. tested unit
2. removed throttle assembly from center of drive tube
3. removed coupler from end of drive tube.
4. reinstalled in reverse order using new drive tube
5. tested unit
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Parts that were replaced worn out.
Franklin - November 25, 2020
Tool Type
Trimmer
Difficulty
Easy
Time
30-60 minutes
Tools Used
Screwdriver, Power Drill
Removed parts, replaced parts with new and employed trimmer for over two hours with no problems. Excellent materials and support from your organization. Thank you.
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The shaft fell apart
Kenneth - May 8, 2020
Tool Type
Edger
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Allen wrench
I bought a new shaft,some screws that were missing from mine,and throttle handle and now it runs and looks brand new.
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The shaft cable was broken and also the throttle cable broke
Richard - May 10, 2018
👍 0 of 1 people found this instruction helpful
Tool Type
Trimmer
Difficulty
Medium
Time
15-30 minutes
Tools Used
Screwdriver, Wrench Set
Replaced the upper drive shaft. Easy fix. Just replaced the complete assembly with the new replacement. The throttle cable was a little more challenging. Had to unbolt the carburetor to install the new cable. Pretty basic. Just remember how it came apart and not that bad.
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Coupling on end of flexible upper shaft snapped off
Jackie - July 27, 2016
👍 1 of 3 people found this instruction helpful
Tool Type
Trimmer
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Pliers, Adjustable Wrench
Parts Used
1. Disconnected lower shaft from quick coupler
2. Removed quick coupler from upper shaft housing
3. Removed upoer shaft from engine
4. Reassembled all parts in reverse order
2. Removed quick coupler from upper shaft housing
3. Removed upoer shaft from engine
4. Reassembled all parts in reverse order
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Upper drive shaft broke.
Roury - May 24, 2017
👍 0 of 2 people found this instruction helpful
Tool Type
Trimmer
Difficulty
Easy
Time
30-60 minutes
Tools Used
Screwdriver, Socket set
Parts Used
Just replaced it. No problems.
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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.
