Trimmer Heads & Gearboxes11 parts
Aftermarket trimmer heads & gearboxes for popular outdoor power equipment and power tool brands. Check the compatible-models list on each product before ordering.
Searches every part in the store.
Not sure it fits?
Three steps to the right part
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Find your model number
Check the rating label on your trimmer, chainsaw, nailer or power tool — or the part number on the old part.
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Match it on the product page
Every product lists the brands and models it fits. Confirm yours before adding to cart.
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Order & swap it in
Orders ship within 1–2 business days with tracking. Not sure it fits? Ask us before you order.