Makita 213044-3 — O RING 3 (original Makita)
Keep your Makita nailer or brad tacker sealing like new with this genuine Makita O RING 3 (part no. 213044-3). It’s the small O‑section sealing ring used in the trigger/valve assemblies of several Makita pneumatic and cordless finish nailers to prevent air leaks and restore consistent firing and pressure control. The part matches the “O RING 3” position on Makita parts diagrams and service sheets and is the factory replacement for that seal.
Fits (example models)
Common Makita models that use this O‑ring include a number of AN-series coil nailers and DBN600/finish nailer models — for example: AN450H, AN923 / AN942 / AN943, AN901, AN250HC, AN510H / AN610H / AN620H / AN635H / AN711H, and the DBN500 / DBN600 cordless finish nailers (check your tool’s parts diagram for the exact position). Use the part number 213044-3 when matching the diagram for your model.
Notes for repair
This is the factory Makita sealing ring specified for the trigger/valve area — replace if the original is brittle, flattened, or allowing air leaks. Refer to your model’s exploded parts diagram to confirm how many are required and the exact installation location before fitting.
(Part referenced as Makita 213044-3 / “O RING 3” on Makita parts diagrams.)
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