Easy
15-30 minutes
Genuine OEM replacement Trimmer Head used on some Troy-Bilt String Trimmers. This part is made out of Plastic and it is Sold Individually. This trimmer head is designed to quickly and efficiently cut through grass. This item includes the Bump Head Knob.
Head Asm Cnt Tb 753-08156
OEM part for: Troy-Bilt, MTD, Yard Machines
Part Number: 753-08156
$17.30
In Stock
Ships within 1 business day 
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Frequently Purchased Together ?
Compatibility
This part will fit the following 10 machines
Troy-Bilt
TB625EC (41ADZ62C766) Trimmer View Diagrams & Manuals
TB675EC (41ADZ67C766) Trimmer View Diagrams & Manuals
TB525EC (41ADZ52C866) Trimmer View Diagrams & Manuals
TB525EC (41BDZ52C766) Trimmer View Diagrams & Manuals
TB525EC (41BDZ52C866) Trimmer View Diagrams & Manuals
TB525EC (41CDZ52C766) Trimmer View Diagrams & Manuals
TB635EC (41ADZ63C766) Trimmer View Diagrams & Manuals
TB635EC (41BDZ63C766) Trimmer View Diagrams & Manuals
MTD
Y4700EC 41BD470C800 Gas String Trimmer View Diagrams & Manuals
Yard Machines
Y 4700 EC (41BD470C800) String Trimmer View Diagrams & Manuals
Show More Compatible Models
This item works with the following types of products:
- Trimmer Parts
Customer Part Reviews ?
Average Rating (out of 5):
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Easy replacement
It fit my trimmer great
Guest -
October 7, 2022
Verified Purchase
Easy install, works great
The part arrived on time. It looked a lot different than the original parts, but it seems to be better than the original. It was easy to install.
Guest -
November 23, 2021
Verified Purchase
Trimmer repair.
Quickly received the correct part. Trimmer life extended.
Guest -
September 22, 2021
Verified Purchase
Perfect replacement.
Part was exactly what I needed and was good quality.
Thank you
Guest -
September 20, 2021
Verified Purchase
New String Trimmer head
Quick service, part arrived without damage and installation was simply and our string trimmer works well.
Guest -
September 13, 2021
Verified Purchase
Straight forward repair.
The part met my repair needs
Guest -
April 27, 2021
Verified Purchase
Great part, great price
Really impressed with this website. They have parts for everything, and the prices are much better than my local shops, who usually have to order what you need anyway. Probably most impressive, though, is the fact that my parts arrived quickly during a time when most businesses are very slow on filling orders. I always recommend shopping’s around, but I’d definitely check this company out first every time.
Guest -
September 24, 2020
Verified Purchase
Troy built 625 trimmer head
The metal bolt on the old head cover stuck on the axle when removed, couldn’t get it off so used the old plastic head cover with the new head guts worked fine no fault of the the new part at all
Guest -
June 12, 2020
Verified Purchase
Troybilt Trimmer Head
I received the replacement trimmer head in a timely manner! I was relieved to find it to be the exact part and not a cheap copy, great service from this company!
Guest -
May 30, 2020
Verified Purchase
worked as expected
ALL GOOD GOOD
Guest -
April 13, 2020
Verified Purchase
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Verified Purchase
eReplacementParts Team
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Questions & Answers ?
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Does this fit my product?Questions & Answers for Head Asm Cnt Tb
can i get the part with the string already on it
Raymond
for model number tb637ec
asked on 2023-04-23
Hello Raymond, Thank you for your inquiry. We show that this part already does come with the string already wrapped on the spool. We hope this helps.
eReplacementParts Team April 23, 2023
i have trimmer model TB2044xp. the metal circular holes that the trim line gets fed through have come off..do you sell a replacement head with the clips, or do i need to replace the entire bump head? thanks.
Kevin
for model number TB2044xp
asked on 2022-09-01
Hi Kevin,
Thank you for your question. You will need to replace the head assembly. The part number listed under your model number for the head assembly is 841-032392S. If you need help placing an order for it, customer service is open 7 days a week and anyone will be happy to assist you. Please feel free to give us a call. We look forward to hearing from you!
eReplacementParts Team September 01, 2022
Wanting the complete head with string. Any info? I don't want to piece it. Want the complete head. Thanks! Chu k
Charles
for model number Troy bilt tb25sb
asked on 2022-07-20
Hello Charles, Thank you for contacting us. We have researched the model you have provided and have found the part you are looking for is Part Number: 753-06571. If you need help placing an order, customer service is open 7 days a week. Please feel free to give us a call. We look forward to hearing from you!
eReplacementParts Team July 20, 2022
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.
line would not let out
James - May 12, 2019
👍 1 of 1 people found this instruction helpful
Tool Type
Trimmer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Wrench Set
Parts Used
Took old head off and replace with new one I would recommend Replacement Parts.com
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cutting head assembly needed to be replaced
Kathy - August 20, 2018
👍 3 of 5 people found this instruction helpful
Tool Type
Trimmer
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwed new cutting head on to new lower shaft. That's all there was to it.
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Trimmer head was wrapped with erosion mesh, destroyed head
William - October 18, 2017
👍 3 of 5 people found this instruction helpful
Tool Type
Trimmer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver, Wrench Set
Parts Used
Removed cover on bottom, threaded on, attached locking bolt, replaced snap on cover.
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Bad Trimmer head, also set screw on trimmer shaft assembly worn out.
Gary - May 16, 2023
Tool Type
Trimmer
Difficulty
Medium
Time
1-2 hours
Tools Used
Screwdriver, Pliers, Socket set, Wrench Set, Nutdriver, Adjustable Wrench
Replaced cutting head.
Created repair sleeve for worn out set screw hole on old lower boom assembly
Found new set screw since one did not come with gearbox assembly.
Replaced screws on gear box with bolts so it could be tightened to the new lower boom assembly
I set up the old gearbox assembly and boom with trimmer head. New gearbox and lower boom assembly used for wire brush cut head.
Created repair sleeve for worn out set screw hole on old lower boom assembly
Found new set screw since one did not come with gearbox assembly.
Replaced screws on gear box with bolts so it could be tightened to the new lower boom assembly
I set up the old gearbox assembly and boom with trimmer head. New gearbox and lower boom assembly used for wire brush cut head.
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Old trimmer head was out of balance
Randy - June 7, 2021
Tool Type
Trimmer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver
Parts Used
Replaced the old trimmer head with a new one.
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I lost the eye guides and line would jam inside head
James - October 13, 2020
Tool Type
Trimmer
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver, Pliers, Adjustable Wrench
Parts Used
Just removed old cutting head and installed new
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Trimmer head stopped feeding the cutting line
Rodney - September 26, 2018
👍 1 of 2 people found this instruction helpful
Tool Type
Trimmer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver, Socket set
Parts Used
1. Looked up the repair on YouTube.
2. Removed the trimmer head.
3. Replaced the trimmer head.
2. Removed the trimmer head.
3. Replaced the trimmer head.
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Trimmer head broken
Tony - September 9, 2017
👍 2 of 4 people found this instruction helpful
Tool Type
Trimmer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Socket set
Parts Used
Took broken trimmer head off put new trimmer head on easy fix.
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The gear box wore out
Edward - June 30, 2016
👍 2 of 4 people found this instruction helpful
Tool Type
Trimmer
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Socket set
Remove the screws from the shaft housing holding the old gearbox on. And remove the old gearbox. Install the new gearbox with the screws. Then just thread the new cutting head assembly to the spindle
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Cutting head worn out
Gail - June 20, 2016
👍 1 of 2 people found this instruction helpful
Tool Type
Trimmer
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver
Parts Used
Turn the spindle on the gearbox until you can see indents in the spindle. If you have a spanner wrench that would fit it that would work. If not, locate something that will fit into just one of the indents. I used a small screwdriver. Hold it in the indent and thread the old head off, then thread the new head on.
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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.
