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
Chainsaw Chain Types Explained: Chisel, Skip & Ripping
Opuladuo T-05907 6-inch replacement saw chain (.325" low-profile pitch, .043" gauge, 32 drive links), shown coiled. Photo from the product page linked below. The short answer T...
What Size Trimmer Line Do I Need? (Brand-by-Brand Chart)
The short answer Most residential string trimmers use .065", .080", or .095" line. The right size is the one your trimmer shipped with — check your owner's manual, the old spool...
Best Trimmer Head for Stihl FS45 (5 Top Picks Compared)
If you own a Stihl FS45, the head you want threads on at M8 x 1.25 left-hand and is built for 2.0 mm (.080") line. We compare the OEM STIHL AutoCut C5-2 against the Speed Feed 4...
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.