Description
Overview:
This O Ring is a Genuine Makita part for selected SDS-MAX hammer drills, including the HR4010C and HR4002. Made from durable black rubber with a round cross-section, it provides a reliable seal within the tool's mechanism to prevent air or oil leakage. A sound seal helps maintain impact performance, reduces vibration issues linked to pressure loss, and supports long service life of internal components. Designed for exact fitment in Makita housings, it is a straightforward replacement during routine servicing or repairs. Supplied to OEM specification under part number 213281-9, it is an ideal choice when refurbishing the sealing system around pistons, cylinders, or gear housings in heavy-duty demolition and drilling applications. This is a Genuine Makita part.
Key Features:
- Genuine Makita component for assured compatibility and build quality (OEM No. 213281-9)
- Durable rubber construction for a tight, dependable seal under hammer drill loads
- Helps prevent air and oil leaks to maintain consistent impact energy and efficiency
- Exact-fit replacement for quick, simple installation during scheduled maintenance
- Supports smoother operation and reduces downtime caused by pressure loss
- Suited to the harsh environments typical of demolition and drilling work
- Stable sealing performance helps protect internal components from premature wear
- Compact, lightweight part that is easy to keep as a service spare
- Manufactured to Makita specifications for the listed models
Typical Applications:
Used within the sealing assemblies of Makita rotary and demolition hammers to retain pressure in pneumatic or lubricated chambers. Commonly replaced during overhauls of pistons, cylinder sleeves, or gear housings to restore impact strength, reduce leaks, and stabilise performance on site or in the workshop. Suitable for routine servicing to keep tools working efficiently.
Also known as:
Sealing ring, toroidal seal, round rubber seal, O-seal, packing ring, piston seal, compression ring. Often referred to as a tool seal used to prevent fluid or air loss in hammer drill and breaker mechanisms.
Fits Models:
HM1101C, HM1111C, HR4001C, HR4002, HR4010C, HR4011C
Alternate Part Numbers:
213281 9, 2132819
