The Best String Trimmer Replacement Head for You! Best 2023 Update!

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When it comes to maintaining the clean look of your lawn, it’s very important to make sure that the grass is trimmed properly. It’s in doing this that you are able to maintain the fresh and neat feeling of your lawn.

One way to do that is by using a string trimmer. However, its head can easily be damaged, which is why you need to have the best string trimmer replacement head.

In this article, we’re going to talk about just that.

Take away key points:

  • String trimmer replacement heads are ideal for your load of work, and various heavy applications
  • The units are crucial for optimal performance, more durability, and power to finish your work easier
  • The ground cannot damage your models regardless of the heavier or lighter performance, so yo can use them for longer working hours

What is a string trimmer replacement head?

A string trimmer is a gardening tool that has a head made of strings instead of metal blades used to cut and trim the grass.

The head or string trimmer replacement head needs to be replaced now and then to ensure that it remains sharp and effective in doing what it’s supposed to do – and that is trimming grass.

Top 8 best string replacement heads you should not miss

$Husqvarna 966674401 T25 Tap Trimmer Advance Head

Best for more string-manually weed eaters and similar weed eater models. The string trimmers are easy to setup and use with this weed eater head.

But, the head for weed eaters requires hand winding.


Best trimmer heads for light and heavy-duty ground operations. The blades are sharp and you can finish your job quickly. The trimmer heads are compact and fitting different weed eaters.

You might find confusing instructions.

$$Oregon Trimmer Head Replacement

Best replacement heads for optimal comfort and vibration-free performance. The inner walls and the outer design prevents pressure and pain to your hands, and you can use the best weed eater heads for longer working hours.

Still, the heads are not suitable for all string trimmers.

$$Echo 78890-21001E High Capacity Speed Feed 450 Trimmer Head

Best weed eater heads for their Echo speed for optimal performance and more robust operations. The weed eater heads. The heavy-duty weed eater heads are also reliable for durability and strength.

Yet they don’t have a curved system.

$MaxPower 3317233 PivoTrim Universal Replacement Head

Best weed eater heads for optimal trimmer line protection. The models include a heavy brush to cut through heavy vegetation.

However, these models have confusable instructions, regardless of the sharp blades.

$Weed Warrior EZ Lock Universal Fit String Trimmer Replacement Head

The weed eater heads are ideal for their simply-bump feed construction, and the universal fit meets all gas trimmers and other models. The plastic blades of the bump-feed heads will make your job effective for more working hours.

You may encounter specific working issues if you choose these weed eater heads and blades.

$$Shindaiwa 78890-30000 Speed-Feed 400 Universal Bump Feed Trimmer Head

The most effective and efficient heads due to their blades and speed. They are universal to meet all string line models ad you can replace them easily due to their compact and easy-to-use design.

Unfortunately, the weed eater heads do not use adapters like their competitors.

$$Grass Gator 4680 Brush Cutter Extra Heavy Duty Replacement Trimmer Head

Best for sharp blades and strength system. The bump style and brush make the head models ideal for different heavy-duty tasks and more robust operations.

You cannot use these models for light-duty tasks, and the tool might be dangerous for the first-time users.

#1. Husqvarna 966674401 T25 Tap Trimmer Head – Best for ease of use

  • Brand: Husqvarna
  • Dimensions: 11 x 1 x 3 inches
  • Weight: 13.3 ounces
  • Best for: overall performance for you string manually

This is a product from Husqvarna. You must have heard of this trusted brand at least once before. It has been manufacturing top-quality lawn tools for a long time.

There are a lot of advantages to this Husqvarna replacement head.

First off, it allows for convenient reloading thanks to the built-in cap. To be specific, you don’t have to turn the head upside down to reload the string as with other models.

On top of that, the spool features a separate design, which reduces the chances of line welding or tangling.

However, hand-winding the string is still required, which might put some people off buying this product. We understand it. Nobody likes the tedious task of winding the line by hand.

To make up for that, this T25 Advance trimmer head is effortless to install and use. It will seamlessly fit any straight shaft weed eaters of various brands, including the EchoRedMaxStihl, etc.

This model is designed to hold .065-inch.080-inch, and .095-inch lines.

  • Effortless reloading
  • Spool split design
  • Maximum ease of use and installation
  • Hand-winding required


  • Brand: DEWALT
  • Dimensions: ‎9.12 x 1 x 6.48 inches
  • Weight: 0.61 pounds
  • Best for: fixed-line trimmer head constructions

Our following string trimmer replacement head is a great addition to your lawn care tools and has made trimming your yard much easier.

The QuickFeed head allows you to reload the cutting line quickly and easily without having to disassemble the trimmer line. It comes pre-wound with a .080 aerodynamic cutting line, which provides maximum performance and durability. The trimmer line is also easy to replace when needed.

The DEWALT trimmer head is lightweight and easy to maneuver, making it perfect for tackling those hard-to-reach areas in your yard. The handle is ergonomically designed for comfort, so you don’t have to worry about fatigue or strain while using it.

The quality of the universal trimmer head is also exceptional. It’s well-made and built to last, so you know it will be a part of your lawn care routine for years to come. The price is also very reasonable compared to other similar products on the market. It’s a great value for the money and makes trimming your yard much easier!

Overall, you’ll be satisfied with the universal trimmer head and you can easily adjust the new trimmer head on the thicker lines. The solid object lasts longer.

  • durable
  • moving parts
  • free-bump head
  • confusing instructions

#3. Oregon 55-265 Trimmer Head – Best for vibration-free operation

  • Brand: Oregon
  • Dimensions: 84″L x 12″W
  • Weight: 0.03 pounds
  • Best for: string-manually construction for quiet work

The third product of the best string trimmer replacement head is the Oregon 55-265 model.

Like the Echo model above, it guarantees to reload in 30 seconds or less. Aside from that, there are a lot of useful features to expect in this speed feed trimmer head.

According to the description, it is a semi-Matic head designed for medium to heavy-duty applications. That said, you can tame bush-like grass and weeds in your backyard. No worries about it breaking down soon as other cheap units on the market.

There are inner walls to reduce debris that might get into the head and prevent it from functioning properly. Sturdy eyelets are also equipped, which plays a role in increasing the line life.

We highly appreciate the line tensioning system with a split spool this model offers. It is arguably the best feature, reducing vibration and bringing about a relaxing landscaping experience.

Keep in mind that the Oregon 55-265 only mounts with straight shaft trimmers. Adaptors are included in the purchase, so make sure you check the specs before buying.

  • Quick to reload
  • Vibration-free operation
  • Inner walls and tough eyelets included
  • Compatibility issues

#4. Echo 78890-2100E High Capacity Trimmer Head – Best for quick reloading

  • Brand: Echo
  • Dimensions: 96″L x 15″W
  • Weight: 1.1 pounds
  • Best for: heavy-duty weed eater design

The next on our list is another heavy-duty replacement trimmer head recommended for trimmers with engines 25cc and above. However, unlike the Grass Gator 4680, it still uses string to cut.

To be specific, it is designed to hold 20’ of .095-inch line.

If you may not know, .095 inches is considered thick amongst the common kinds of trimmer lines on the market. It is powerful enough to handle a variety of foliage in your garden.

Therefore, do not underestimate the strength of this unit. There have to be reasons for it being a heavy-duty trimmer head, right?

Like the #3 model, this Echo head features a split spool to avoid line welding and tangling.

The most notable highlight must be the ease of reloading it offers. Don’t you believe it? But this model can reload in 30 seconds or less. That’s lightning speed!

The head comes with adapters to fit nearly all prestigious brands, including Husqvarna, Tanaka, Echo, Stihl, etc.

Note that this Echo replacement trimmer head does not fit trimmers having a curved shaft.

  • Heavy-duty model
  • Ultimate ease of reloading
  • Adapter included
  • Not for curved shaft trimmers

#5. MaxPower PivoTrim Replacement Head – Best for line protection

  • Brand: MAXPOWER
  • Dimensions: 11.25″L x 7.5″W
  • Weight: 0.13 pounds
  • Best for: reliable trimmer lines

Next on our list today is the best-selling product from MaxPower. This string replacement head makes its way to our list for good reasons.

First, the unit is made of metal for added durability. You don’t have to worry about it breaking down after coming in contact with rocks or debris a few times.

However, it is best to limit those cases. With better maintenance comes a longer-lasting device, right?

The head features a special design of 6 pivoting lines to reduce the chances of breakage. That said, you will not waste many lines as with other low-quality competitors.

Along with the replacement head, a premium pre-cut trimmer line is included in the purchase. It is red in color so that you can detect it effortlessly while cutting the grass.

A real bargain, isn’t it?

This MaxPower replacement head is easy to install and use. It is compatible with almost all string trimmers on the market, thanks to the universal design.

We can hardly find any downsides to this model, except for the confusing manual guide.

  • 6 pivoting lines to reduce line breakage
  • Premium pre-cut line included
  • Effortless reloading
  • Hard-to-understand instructions

#6. Weed Warrior EZ Lock Universal Fit String Trimmer Replacement Head – Best bump feed system

  • Brand: Weed Warrior
  • Dimensions: 6.5 x 3.5 x 10.1 inches
  • Weight: 1.1 pounds
  • Best for: almost any weed eater

The following trimmer line head is a must-have for anyone who needs to trim, edge, or weed eat. This easy-to-install trimmer head is highly durable and features auto-winding technology that eliminates the need for spools.

The Weed Warrior trimmer line string head works with most gas-curved shafts and straight shaft trimmers, making it a great choice for both professional landscapers and homeowners alike.

The EZ Lock universal head is designed to make your life easier by allowing you to change the line less often. It also features a high-impact nylon construction that ensures it can stand up to tough jobs without breaking down. The trimmer line replacement heads are durable and reliable for light and heavy-duty tasks.

Plus, its universal fit makes these universal heads compatible with most gas trimmers and other string trimmers so you don’t have to worry about compatibility issues. The trimmer head is extremely versatile for multiple weed eaters.

Overall, the Weed Warrior trimmer head is an excellent choice for anyone who needs a reliable and durable replacement head for their trimmer. It’s easy to install, highly durable and features auto-winding technology that makes changing the line much easier.

  • for gars trimmers
  • simply bump-free design
  • fixed line
  • more string
  • sharp blade
  • working issues

#7. Shindaiwa 78890-30000 Speed-Feed 400 Universal Bump Feed Trimmer Head – Most effective weed eater head

  • Brand: Shindaiwa
  • Dimensions: 8 x 8 x 8 inches
  • Weight: 11.7 inches
  • Best for: speed and efficiency

The penultimate trimmer head is a great choice for anyone looking for a reliable and efficient trimmer head. This weed eater head replaces the popular Speed-Feed 375 model with numerous upgrades and improvements, making it one of the best on the market.

The Shindaiwa weed eater head features fast and easy loading, allowing you to reload without disassembly in just 30 seconds. The Speed-Feed® trimmer head also holds up to 20 feet of 0.095 diameter line and accepts 0.080 in. – 0.095 in. diameter line, making it versatile enough for any job.

The Shindaiwa weed eater head is universal and includes adapters for use on both straight shaft and curved shaft models (non-bulk pack only).

Additionally, it’s compatible with most major brands of gas-powered trimmers, so you don’t have to worry about compatibility issues when switching out your old trimmer head for this one.

The Shindaiwa weed eater head is an excellent choice for anyone looking for a reliable and efficient trimmer head that can handle any job with ease.

With its fast loading capabilities, universal compatibility, and durable construction, this trimmer head is sure to provide years of dependable service.

  • durable
  • bump feed design
  • fixed line
  • fixed head
  • no adapters

#8. Grass Gator 4680 Brush Cutter – Best for strength

  • Brand: Grass Gator
  • Dimensions: 6.88″L x 2.5″W
  • Weight: 1.12 pounds
  • Best for: sharp blade system

The manufacturer claims that this Grass Gator 4680 head is an extra heavy-duty model. Let’s see if it is true or not.

The fact that this product uses steel blades instead of string somehow confirms its strength. You do not need to buy blades separately, as it comes with the replacement head for free.

There is not much information about the unit, so we decided to find out ourselves. And guess what? It did not disappoint us even a bit.

We attached it to our commercial-grade straight-shaft weed trimmer, and it fitted like a glove. We tested it on four acres of land filled with overgrown and bush-like weeds, and it cut through literally everything standing in its way.

It is a real monster, so you need to wear protective gear before working with it. Suppose that the blade hits your legs; it will not hesitate to go to the bone and hurt you badly.

This model guarantees to fit 99% of all gas-powered trimmers as long as they have a straight shaft design. In addition, it will best suit heavy-duty trimmers with engines of 25cc or more.

  • Steel blade included
  • Amazing power
  • Universal design
  • For heavy-duty straight shaft trimmers only
  • Dangerous for first-time users

Considerations to make when choosing a string trimmer head

These are the crucial factor to consider when selecting the best string trimmer heads for your lawn needs.

1. Durability

The first thing you need to consider when choosing a string trimmer replacement head is its durability. It’s in knowing the durability that you know if it’s going to last or not.

Make sure that it’s made of fine and high-quality materials so that it wouldn’t break easily.

string trimmer replacement head reviews

2. Design

Another important thing you need to consider is the design.

You want something that isn’t only attractive or visually pleasing but something that is also compatible with your string trimmer. It should be compatible so that it can function properly.

Check its design and see whether it will fit on your trimmer or not.

3. Price

It’s important for you to make sure that it is also priced right. And by getting it priced right, we mean that it should not be too expensive.

But remember that it doesn’t mean that if it is priced cheaply, it’s already a good deal for you. Take note that most cheaply priced products don’t have good quality, which is why it’d be better for you to choose one which is in the midrange price.

Not only are you assured that it’s got decent quality, but you also get to save money.

String trimmer replacement head: Using tips

1. Reserve backup

There are a lot of reasons why you should have a string trimmer replacement head. 

But the best one is that you get to have a reserve backup in case your trimmer head suddenly breaks.

With the help of this, you don’t need to stop what you’re doing and resume it the day after once you’ve bought a replacement.

Having a string trimmer replacement head in your home means that you can install it on your trimmer anytime it breaks down.

2. Safety

It’s also safer for you to have a string trimmer replacement head because this means that your string trimmer won’t be running on a worn-down head.

By simply replacing its head with a new one, you are making sure that nothing wrong will happen.

This also means that the chances of you getting into some accident or injury out of using the product decrease to a minimum.

3. Easier trimming

replace string trimmer head with blade

When you have a new string trimmer replacement head, it’s easier for you to trim down the grass.

It’s because the strings are still so fresh, and they’re still very sharp. You make the most out of your string trimmer by replacing its head every once in a while.

It also makes you more productive because you no longer have to spend a lot of time trimming it.

4. Improved efficiency

When you have a string replacement head installed, your string trimmer won’t have a hard time working.

This means that it’d have an improvement in its efficiency.

It will be faster in trimming down the grass, and it won’t use up a lot of power, whether you’re using a gas-powered trimmer or an electric one.


Are string trimmer heads interchangeable?

Yes, string trimmer heads are interchangeable.

Different brands and models of string trimmers may require different types of heads, but many universal trimmer heads are available that can fit a variety of different models.

When should I replace my string trimmer head?

The best time to do so is when you notice that the line is not cutting as effectively as it used to. If you find yourself having to replace the line more often than usual, or if you’re having difficulty with the trimmer head spinning, then it may be time for a replacement.

Additionally, if you have an older model of trimmer head that does not accept pre-cut lines, then it may be time for an upgrade.

How to string a trimmer head?

Follow the steps below:

Remove the old head by unscrewing the bump knob and removing the inner reel and spring from inside.

Feed new trimmer line through one of the eyelets located on the lower trimmer head housing.

Keep the line tight when winding it around the spool, and don’t let it have any slack or overlap itself.

Align the bump knob arrows with the eyelets before reassembling your trimmer head.

How do you wind a string trimmer head?

Follow these steps:

Remove the old line from the trimmer head. 

Pull out the old line and throw it away.

Clean out any debris that may have accumulated in the trimmer head.

Begin winding a new line onto the spool. Depending on your model of the trimmer, you may need to use two pieces of line or one long piece of line.

– If using two pieces of line, make sure that they are both wounds in opposite directions around the spool.

Replace the inner reel and spring into place and screw on the bump knob securely.

Test your trimmer to make sure that it works properly with the new line installed.

What is the best string trimmer head for Stihl?

The best one is the CLSR2U 25-2 Trimmer Head, which is compatible with Stihl and can be found on Amazon.

So, what’s the best string trimmer line head?

The best head is the Husqvarna 966674401 T25 Tap Trimmer Advance Head. The tool shows optimal performance, with sharp blades, and brush to trim even heavy vegetation without any damage from the ground. The tool is also valuable due to its affordable price.


Various tool and brush models are available to trim your lawns and finish a load of work. Many models come with two or three plastic blades to ensure optimal performance. Learn their advantages to choose the best brush and blades.

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Ben Bareja

Ben Bareja, the owner-founder-webmaster of This website was conceptualized primarily to serve as an e-library for reference purposes on the principles and practices in crop science, including basic botany. Read more here

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