Best String Trimmer Replacement Parts Under $100 (2026)

We ranked parts under $100 by compatibility, user ratings, feed mechanism design, durability features and an aggregated value score

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

    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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Buying Guide

Match compatibility and fit

Confirm model compatibility or universal-fit claims—brands like Husqvarna, Shindaiwa and EGO offer heads and kits designed for specific shafts or model families

Choose the feed mechanism

Decide between tap-advance, rapid-reload, or speed-feed spool types for reload speed and ease of use; each affects how quickly you replace or release line

Consider conversion kits for versatility

Brush-cutter or arbor conversion kits convert a trimmer into a brush cutter or sawed-off tool, expanding capability without a new machine purchase

Look at OEM vs aftermarket parts

OEM spools and covers often match original specs for fit (many come in multi-packs), while quality aftermarket heads can offer comparable performance at lower cost

Check build materials and maintenance needs

Metal or reinforced polymer components affect durability and repairability; simpler spool covers and rapid-reload designs reduce downtime for routine maintenance