Aftermarket replacement parts
Replacement parts that fit your tool
Spools, trimmer heads, chainsaw bars, nailer drivers and carbon brushes for Ryobi, Black+Decker, Greenworks, Craftsman, EGO, Worx and more. Every listing names the models it fits.
Tip: the model number is on the label of your trimmer, saw or nailer.
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Model-matched
Compatible models listed on every part
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Ships in 1–2 business days
Tracked delivery to the US & more
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30-day returns
Unused parts in original packaging
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Secure checkout
Shopify-powered payments
Looking for a Black+Decker AF-100 fit? See our AF-100 replacement spool and learn more on the About page.
Shop by category
Find parts by category
Best-selling trimmer spools
The right part, fast
Shop by the tool you own
No guessing. Search your model or part number and we'll show the parts listed for it — or pick your tool brand to browse compatible parts.
Can't find your model? Email us before ordering and we'll check fitment for you.
Chainsaw bars & chains
Why Opuladuo
Fix the part. Keep the tool.
- Repair, don’t replace — a worn spool or driver shouldn't cost you a new trimmer or nailer.
- Fitment first — compatible brands and model numbers are listed on every product page.
- Covered if it arrives wrong — defective or damaged? Tell us within 7 days for a free replacement or refund.
Guides & how-tos
Fix it yourself
AF-100 Replacement Spool: Fit, 0.065 Rule & Install
Confirm AF-100 fits your Black+Decker trimmer, why only 0.065" line works with AFS, and how to swap the spool when line won’t feed.
Nailer Not Sinking Nails? When to Replace the Piston Driver
Nails left proud, bent nails or frequent jams often point to a worn driver blade. How to diagnose it and what a piston driver replacement involves.
Worn Carbon Brushes: 5 Signs and How to Replace Them
Sparking, power loss or a tool that cuts out? Worn carbon brushes are a cheap fix for brushed grinders, saws and drills. Here's how to spot and replace them.
How to order
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
Search it above or browse by brand, then confirm your model in the compatible-models list before adding to cart.
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Order & swap it in
Orders ship within 1–2 business days with tracking. Most parts install in minutes with basic tools.