416274-7 supersedes older part numbers: 021245100
Makita 021245100 — genuine Makita plug / cap for the oil pump / tank on the UC-series corded chainsaws. It’s the small cap that seals the oil pump / tank opening ( “PLUG / CAP” ) and is supplied as a single unit for the oil‑pump assembly.
Common examples of Makita models that use this part include the UC3000 / UC3010A and the UC3500 / UC3510 / UC3530 , and the UC4000 / UC4001 / UC4030 — check the parts diagram for your exact model to confirm fit.
Details: Makita part number 021245100 is shown as plug / cap (quantity 1). The same assembly lists an associated O‑ring (part 963203010, shown as 3.5×1 mm in the parts breakdown) that seats with the oil pump/tank components. This plug is intended to replace the factory cap that seals the oil pump / tank connection and restore a proper seal.
If your chain saw’s oil pump / tank cap is cracked, missing, or leaking, this genuine Makita 021245100 plug provides an exact-fit replacement so the oil system will seal and function as designed.
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