Best String Trimmer Replacement Parts (2026 Guide)

• 10 products compared from 8 brands • avg ItemOracle score 3.9/5

We selected parts using star rating and review volume, prioritizing compatibility, durable construction, and user-reported ease of installation

The Verdict

Top Picks

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    Forester brush cutter conversion kit for Husqvarna

    Forester brush cutter conversion kit for Husqvarna

    Forester • ★ 4.0/5 • Mid-Range

    Best for thicker brush: conversion kit lets compatible trimmers cut woody stems and dense vegetation

    Convert Husqvarna straight shaft trimmers to a brush cutter with 1" or 20mm arbor. Kit includes collar nut, rider plate, thrust washer, plus safety gear. Customers note easy installation and solid cutting performance

    • hsq compatibility with multiple Husqvarna models
    • includes full safety gear
    • 1" or 20mm arbor compatibility
    Check current price on Amazon →
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    Shindaiwa Speed-Feed 400 Universal Trimmer Head

    Shindaiwa Speed-Feed 400 Universal Trimmer Head

    Shindaiwa • ★ 3.9/5 • Budget

    Best for universal compatibility: speed-feed design simplifies line loading across multiple mower brands

    Shindaiwa OEM replacement trimmer head. easy installation and simple line-loading process. customers note quality and ease of use, with mixed fit across brands

    • OEM part number provided
    • fits multiple Shindaiwa models
    • ease of installation
    Check current price on Amazon →
  5. 5
    EGO Power+ Replacement Rapid Reload Plus Trimmer Head (Clockwise) for 15-Inch Trimmers

    EGO Power+ Replacement Rapid Reload Plus Trimmer Head (Clockwise) for 15-Inch Trimmers

    EGO • ★ 3.9/5 • Budget

    Best for quick reloads: rapid-reload head offers fast line replacement with a clockwise feed design

    Replacement trimmer head for EGO 15-inch string trimmers. Easy loading with no eyelet alignment required; includes free rotating bump cap for smoother operation. Customer notes ease of installation and good fit, with some durability concerns

    • no alignment required
    • bump-cap prevents tangles
    • clockwise rewind compatibility
    Check current price on Amazon →
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    SKIL 14-Inch Replacement Rapid Reload Trimmer Head

    SKIL 14-Inch Replacement Rapid Reload Trimmer Head

    Skil • ★ 3.9/5 • Budget

    Best for consumer trimmers: 14-inch rapid-reload head balances cutting width and easy line changes

    Replacement rapid-reload trimmer head for SKIL trimmers. Easy line load, bump-feed, and compatible with select SKIL models. Customers say it installs easily and fits well, though durability may be a concern

    • quick and easy line load
    • compatible with SKIL trimmers
    • easy installation
    Check current price on Amazon →
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    Stihl replacement string heads for FSA56

    Stihl replacement string heads for FSA56

    Stihl • ★ 3.8/5 • Budget

    Best for cordless string trimmers: replacement heads tailored to the FSA56 model simplify upkeep

    Replacement string heads pack designed for FSA56. Fits OEM parts with easy installation. One customer notes easier setup than winding string manually

    • genuine oem parts
    • fits fsa56
    • ease of installation
    Buy at Amazon →
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    Gear head replacement for FS56RC FS70 FS91 FS94R FS120 FS130 FS131 FS240 FS250

    Gear head replacement for FS56RC FS70 FS91 FS94R FS120 FS130 FS131 FS240 FS250

    Milikaco • ★ 3.8/5 • Budget

    Best for drivetrain repairs: gear head replacement restores reliable power transfer on compatible models

    Gear head replacement kit for string trimmers, includes gear box, rider plate, thrust components and screws. Customers cite easy installation, good functionality and value for money

    • comprehensive hardware included
    • easy installation feedback
    • positive build quality
    Buy at Amazon →
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    Forester Trimmer Chaps for Men - Apron Style Protective Gear

    Forester Trimmer Chaps for Men - Apron Style Protective Gear

    Forester • ★ 3.7/5 • Budget

    Best for user safety: apron-style trimmer chaps provide lower-leg protection during trimming tasks

    Trimmer chaps for men protect legs during brush cutting and line trimming. Features adjustable belt, built-in pocket, and universal fit; suitable to wear over work pants. Customer note: durable and easy to put on, keeps pants clean

    • adjustable belt
    • built-in tool pocket
    • universal fit
    Check current price on Amazon →

Buying Guide

Confirm model compatibility

Match part fitment to your trimmer's model or shaft type to avoid returns and ensure proper operation

Choose the right head type

Select between tap-to-advance, rapid-reload, and universal heads based on how you prefer to load line and adjust feed

Consider conversion kits

Brush-cutter or cutter conversions expand cutting capability for heavy weeds and thick brush when compatible with your drive shaft

Prioritize durable materials

Metal gear heads and reinforced housings last longer under heavy use than thin plastic components

Check spool and line options

Replacement spools and covers that accept thicker or dual-line formats can improve cutting performance and longevity

Factor in maintenance parts

Keep common wear items like carburetors, gear heads, and replacement spools on hand to reduce downtime