Medium
1-2 hours
It is a genuine manufacturer-approved component which is made for use with Homelite trimmers. This string head assembly is designed to quickly and efficiently cut through the grass. It is an identical replacement for a faulty, a damaged or a missing component that was included with a new unit. Note, this high-quality string head assembly is sold as an individual item. It includes the housing, the spool preloaded with string and the cap. Refer to the owner's manual and the diagrams for your model to ensure the proper replacement procedure.
String Head Assembly 120151001
OEM part for: Homelite
Part Number: 120151001
$17.80
In Stock
Order within the next 14 hours and your part ships today! 
Compatibility
This part will fit the following 2 machines
Homelite
UT-21506 Mightylight String Trimmer View Diagrams & Manuals
UT-21907 26cc Mightyliite String Trimmer View Diagrams & Manuals
This item works with the following types of products:
- Trimmer Parts
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Homelite lawn trimmer missing part
A friend of mine gave me a Homelite brand lawn trimmer. It was missing the string head assembly. In my search i found ereplacementparts.com. They had a diagram of the Homelite and i was able to identify the part and the price was well under budget, It arrived in a timely fashion and it was exactly what i needed. Thank you and i saved your website in my tablet.
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June 26, 2019
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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.
Worn string trimmer head
Frank - June 7, 2021
Tool Type
Trimmer
Difficulty
Medium
Time
1-2 hours
Tools Used
Screwdriver, Wrench Set, Adjustable Wrench, Computer, wire brush
Parts Used
1. Removed worn string trimmer head assembly.
2. Wire brush mount shaft.
3. Installed new string trimmer head assembly.
4. Inspected and tested trimmer.
5. Used trimmer successfully.
2. Wire brush mount shaft.
3. Installed new string trimmer head assembly.
4. Inspected and tested trimmer.
5. Used trimmer successfully.
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Head on trimmer got hot and stuck to pole.
Daniel - August 6, 2016
Tool Type
Trimmer
Difficulty
Easy
Time
1-2 hours
Tools Used
Screwdriver, Pliers, Done By hand
Parts Used
Remove the bump knob then pull the head off. Install the new head assembly, then screw in the new bump knob.
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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.
