The Makita 213406-5 is a genuine OEM o ring seal designed to maintain airtight and oil-tight joints within compatible Makita power tools, including the HR2811F and HR2811FT rotary hammer drills. Manufactured from durable, oil-resistant elastomer, this precision-moulded seal prevents leaks and preserves internal air and grease pressure within impact and drive assemblies. Consistent pressure is essential to reliable hammer performance, and a worn or damaged o ring can lead to energy loss, premature wear, and eventual tool failure. This part is commonly fitted in the piston, striker, and gearbox areas of heavy-duty rotary hammers and breakers where sealing integrity is critical. It is suitable for use during routine servicing, scheduled maintenance, or full mechanism overhauls. As a genuine Makita replacement part, the 213406-5 matches original OEM specifications for material composition, hardness, and dimensions, ensuring a correct fit in factory recesses without modification. It is the reliable choice for professional contractors and service technicians looking to restore dependable operation and extend tool service life. Features and Benefits: • Genuine Makita part (MPN 213406-5) for assured OEM compatibility and fit • Oil-resistant elastomer construction for dependable, long-lasting sealing • Maintains air and grease pressure to support consistent impact energy output • Precisely moulded profile for correct seating in factory recesses • Helps prevent oil and grease leaks that can accelerate internal wear • Protects internal components from contamination, supporting tool longevity • Suitable for routine maintenance or full hammer mechanism overhauls • Compatible with Makita HR2811F, HR2811FT, and other listed models
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