Description
Overview:
The Makita O Ring 22 (MPN 213370-0) is a genuine rubber sealing ring used in Makita demolition and rotary hammers to maintain airtight, grease-tight joints inside the mechanism. Made from a durable elastomer compound, it helps prevent loss of impact power by stopping grease and air leaks around moving parts. This O-ring offers a precise fit for tools such as the HR4000C and HM1130, supporting smooth operation under heavy-duty use. Its resilient construction resists wear from vibration, heat, and lubricants commonly found in hammer assemblies. For users maintaining Makita hammers on site or in the workshop, this genuine part restores reliable sealing performance and helps extend service intervals by protecting internal components from contamination and premature wear.
Key Features:
- Genuine Makita part for assured compatibility and performance (MPN 213370-0)
- Durable elastomer construction designed for impact, heat, and lubricant resistance
- Provides a tight, reliable seal to reduce air and grease leaks
- Helps maintain hammer efficiency, impact strength, and consistency
- Precision fit for correct seating in the tool's sealing grooves
- Straightforward replacement during routine servicing or overhaul
Typical Applications:
Used during routine maintenance or repair of Makita hammers to restore sealing in the piston, striker, or cylinder assemblies. Ideal for fixing power loss, oil/grease seepage, or reduced impact caused by worn seals. Suitable for workshop servicing, site repairs, and preventative maintenance to keep demolition and drilling operations running efficiently and safely.
Also known as:
Sealing ring, O-ring 22, packing ring, elastomer ring, rubber washer, sealing gasket.
Fits Models:
HR4000C, HM1130
Alternate Part Numbers:
2133700
