Genuine Makita 424610-3 — "Connector A" (oil feed connector). This small replacement connector/tube sits at the oil tank assembly and links the oil reservoir to the oil pump, restoring reliable chain lubrication when the original connector is cracked, clogged or leaking.
Designed for Makita electric chainsaws, the 424610-3 is shown in Makita parts diagrams as the oil‑tank connector and is supplied as a single replacement part. Examples of models that use this part include UC3550A / UC3551A and the UC4050/UC4051 and UC4550 series in the same family.
If your machine’s oil delivery is compromised by a brittle or damaged connector, fitting this original Makita connector returns the factory lubrication pathway without needing to modify hoses or pump components. This is the exact connector called out on Makita parts diagrams for the oil tank/oil pump area.
Note: this listing is for the genuine Makita 424610-3 connector only — a direct, model‑matched replacement that appears on official parts diagrams for the models listed. Makita parts.
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