SKU: 31247010046

128LD T25 Trimmer Head - Fits Husqvarna 124L, 125L, 128L, 128LD - Replaces 966674401

Sale price$12.64 Regular price$14.04
Save 10%

Pay in installments of $3.51 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 16 - Aug 21

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

128LD T25 Trimmer Head - Fits Husqvarna 124L, 125L, 128L, 128LD - Replaces 966674401128LD Trimmer Head T25 Key Features High Efficiency Tap 'N Go Feed: Specifically designed for entry level and mid range trimmers, the T25 head provides reliable line advancement with a simple tap on the ground, allowing for continuous operation without stopping. Easy Reload Open Eyelets: Features a simplified spool design with open eyelets that make reloading trimmer line faster and less prone to tangling compared to traditional closed loop heads.

128LD Trimmer Head T25

Key Features

  • High-Efficiency Tap 'N Go Feed: Specifically designed for entry-level and mid-range trimmers, the T25 head provides reliable line advancement with a simple tap on the ground, allowing for continuous operation without stopping.
  • Easy-Reload Open Eyelets: Features a simplified spool design with open eyelets that make reloading trimmer line faster and less prone to tangling compared to traditional closed-loop heads.
  • Reinforced Blue Bump Knob: The signature blue knob is manufactured from high-density, wear-resistant polymer to ensure a long lifespan even when used on abrasive surfaces like gravel or dry soil.
  • Optimized Centrifugal Balance: Engineered to reduce vibration and shaft wobble, which protects the trimmer's flexible drive cable and reduces user fatigue during extended yard work.
  • Pre-Wound Performance Line: Usually comes pre-loaded with premium 0.080" or 0.095" diameter line, offering an aggressive cut and high durability for residential trimming and edging.

Replaces / Cross-Reference Part Numbers

  • 966674401
  • 537338306
  • 537338310
  • 5373383-02
  • 578446101

Compatibility & Fitment

This "T25" head is the standard replacement for Husqvarna's lightweight and consumer-grade straight-shaft trimmers. Key compatible models include:

  • Husqvarna 120 Series: 122L, 124L, 125L, 125C, 125LDX, 128L, 128LD, 128LDX, 128R, 128RJ, 129L, 129LD.
  • Husqvarna 200 & 300 Series: 223L, 223R, 322C, 323C, 325C, 325CX.
  • Technical Specification: Fits models utilizing an M10 x 1.25 LHF (Left Hand Female) arbor thread.
  • Note: While designed for straight-shaft trimmers, it is also compatible with specific Husqvarna curved-shaft models that use the M10 thread.

When to Replace

  • Worn-Through Bump Surface: The blue center knob has ground down from pavement contact to the point where the internal spring is visible or the line no longer advances.
  • Cracked Outer Housing: Visible fractures or chips in the black plastic shell, which can lead to the head shattering at high RPMs.
  • Line Overlapping/Welding: The internal spool or divider is damaged, causing the line to melt together or jam inside the head during use.
  • Eyelet Failure: The metal line exits (eyelets) are missing or have developed deep grooves, causing the trimmer line to snap off inside the head repeatedly.
  • Excessive Vibration: The head is no longer balanced due to uneven wear, putting undue stress on the gear head and the trimmer's motor.

Installation Tips

  • Left-Hand Threads: This head is Left-Hand Threaded. To tighten it onto the trimmer, you must turn the head Counter-Clockwise.
  • Lock the Shaft: Insert a small hex key or the factory locking pin into the gear head hole to hold the shaft stationary while you spin the old head off and the new one on.
  • Spool Direction: When reloading line, follow the arrows molded into the internal spool. Winding the line in the wrong direction will prevent the Tap 'N Go mechanism from functioning.
  • Soak Your Line: To extend the life of your trimmer line, soak the spool in water for 24 hours. This keeps the nylon flexible and much more resistant to snapping at the eyelet.
  • Clean the Housing: Every time you reload the line, shake out any dirt or grass trapped inside the head to ensure the internal spring and spool move freely.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 31247010046

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.1 ★★★★★
Based on 14 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
J
Verified Purchase
John Weiss III
Dallas, US
★★★★★ 4
Simple, affordable, smartly styled. Good starter watch for teens
Color: Black
Got this for 13-year-old boy for Christmas. Excellent choice for a beginner's watch. Learn to read a clock face for crying out loud! Easy to set the day/date, and has a comfortable band.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 27, 2025
S
Verified Purchase
Soldat !
Birmingham, US
★★★★★ 5
Style classic
Color: Silver
A neat watch, I was a career soldier and I remember getting a few different military style watches, mostly made by Timex. I was in supply so had access to them, often the style was the same and sometimes not. Item was packed well and arrived fast great price
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 26, 2026
S
Verified Purchase
Steve B., Houston, TX
Waukegan, US
★★★★★ 5
Decent watch for the price - you get what you pay for
Color: Black
This watch is about what I expected for the price. It's comfortable to wear and is keeping time reasonably well thus far. Illumination on the hands and dial fades after a couple of hours and setting the day of the week does not work (it will not advance - day just sort of "bounces" in the window - although the day changes on its own). Given the reviews I read, I take it off before showering and avoid getting it wet when washing my hands, as I don't trust the water resistance. EDIT: After posting the generally positive review above, the seller messaged me offering a replacement on their own initiative and allowing me to keep the original watch. I did not expect that but accepted their offer. Upon receiving the replacement, I discovered that the problem setting the day of the week was user error and not a problem with the 1st watch. My only criticism of the watch remains that the illumination fades within an hour or two (I held it next to a 150W lamp bulb for 30 seconds) but I am willing to live with that and believe the watch is a good value. I increased my rating from 3-stars to 5-stars on the strength of the great customer support and what I think is the value proposition for a very comfortable, easy to read, $20 watch. I would buy again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 16, 2026
R
Verified Purchase
rdkmco
Battle Creek, US
★★★★★ 3
Almost great
Color: Black
Watch is well made, and has mineral crystal, not plastic. It fits nice and is comfortable. The bad is that the watch has virtually no luminous qualities and the day and date is hard to read. Other than that it is a great value if you can get by with the small characters on the watch face. The crown is not screw down and can occasionally pull out so the time changes
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 10, 2023
M
Verified Purchase
Matthew P.
Lake Worth, US
★★★★★ 4
Good little watch, bear in mind the price point that it is at that though.
Color: Black
The design I love. It’s minimal, not flashy, but good looking all around. It is a matte black finish, which looks pretty good. The glass definitely seems to be scratch resistant in the first couple days I’ve been wearing it. not 100% precise with setting the time with the dial, but after a couple times, I got it to be right on point. It has stayed on time the last couple days. However, if you look at the price point of this item, it is cheap. The material does feel high-quality, not made of the Chineseium that you’d find on crap these days. The date and day of the week, however, seem to be stuck, and some of the days that I saw by manually reversing the hands were misspelled. If you’re not bothered by those things, this seems to be a good watch for the money. Just keep in mind it’s not perfect.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 16, 2024

recommand products