Husqvarna 596 28 01-01 T25B M10 trimmer head shown from above on white background

Husqvarna

Husqvarna 596 28 01-01 T25B M10 Trimmer Head Replacement Part

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T25B M10 Trimmer Head
Part Number: 596 28 01-01
Husqvarna 596 28 01-01 — T25B M10 Trimmer Head
Also known as: Tap-and-Go Trimmer Head, Bump Feed Head, T25B Cutting Head
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Specifications
Specification Detail
OEM Part Number 596 28 01-01
Brand Husqvarna
Model Name T25B
Thread Type M10 (Metric)
Feed System Bump Feed (Tap-and-Go)
Part Type String Trimmer Head
OEM Status Genuine Husqvarna OEM
The Husqvarna 596 28 01-01 is a genuine OEM T25B bump-feed string trimmer head designed for M10 metric threaded shafts. Also referred to as a tap-and-go head, bump head, or cutting head, this part attaches to compatible Husqvarna string trimmers and brushcutters to dispense trimmer line automatically when tapped against the ground during use. It is the factory-specified replacement head used across a wide range of Husqvarna handheld trimmer models and delivers the precise fit and reliable line feed performance expected from genuine OEM components.
Key Features▼
M10 Metric Thread Compatibility
The Husqvarna 596 28 01-01 features an M10 metric threaded arbor, ensuring a secure, rattle-free fit on Husqvarna trimmers designed for M10 spindles. Using the correct thread spec prevents damage to the gearbox and ensures safe operation.
Bump-Feed Line Advance for String Trimmers
The T25B uses Husqvarna's proven tap-and-go bump-feed mechanism, allowing the operator to advance trimmer line simply by tapping the head on the ground during operation — no stopping, no manual threading mid-job.
Genuine Husqvarna OEM Part 596 28 01-01
As a genuine Husqvarna OEM component, part number 596 28 01-01 meets original factory specifications for materials, tolerances, and performance. It is a direct replacement for worn or damaged T25B heads with no modifications required.
Fits Wide Range of Husqvarna Trimmer Models
The Husqvarna T25B trimmer head (596 28 01-01) is compatible across numerous Husqvarna gas-powered string trimmers and brushcutters, making it a versatile stock replacement for professional landscapers and homeowners alike.
Compatible Equipment▼

The Husqvarna 596 28 01-01 T25B M10 trimmer head is designed for use on Husqvarna gas-powered string trimmers and brushcutters with M10-threaded spindles. Part number 596 28 01-01 is a factory-spec replacement compatible with models such as the Husqvarna 115iL, 122C, 122L, 125C, 125L, 128C, 128CD, 128L, 128LD, 128LDX, 129L, 223L, 225L, 226L, 240, 245, 322L, 323L, 324L, 325L, 326L, and additional T25B-equipped models.

  • Husqvarna 122C / 122L
  • Husqvarna 125C / 125L
  • Husqvarna 128C / 128CD / 128L / 128LD / 128LDX
  • Husqvarna 129L
  • Husqvarna 223L
  • Husqvarna 225L / 226L
  • Husqvarna 240 / 245
  • Husqvarna 322L / 323L / 324L
  • Husqvarna 325L / 326L
  • Additional Husqvarna models with M10 threaded spindles and T25B head specification

Always verify your model number and spindle thread direction before ordering. Consult your operator's manual or a Husqvarna dealer to confirm fitment for your specific unit.

Common Questions▼
Q: What does the Husqvarna part number 596 28 01-01 fit?
A: Husqvarna 596 28 01-01 is the T25B bump-feed trimmer head and fits a wide range of Husqvarna gas trimmers with M10 metric threaded spindles, including popular models like the 125L, 128L, 128LD, 323L, and 326L. Always check your model number and spindle thread spec before ordering.
Q: What thread size does the Husqvarna T25B trimmer head use?
A: The T25B (part 596 28 01-01) uses an M10 metric thread. It is critical to match the thread type and direction (left-hand or right-hand) to your trimmer's spindle. Using the wrong thread size can damage both the head and the gearbox.
Q: How does the Husqvarna T25B bump-feed trimmer head work?
A: The T25B uses a tap-and-go bump-feed system. During operation, lightly tapping the head against the ground activates the spool mechanism to advance fresh trimmer line automatically. This keeps you cutting without stopping to manually pull line.
Q: Is Husqvarna 596 28 01-01 a genuine OEM part or aftermarket?
A: This is a genuine Husqvarna OEM part. It is manufactured to original factory specifications and is a direct, no-modification-required replacement for any worn or broken T25B trimmer head on compatible Husqvarna equipment.
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