Description
Overview:
The Makita O Ring 44 HMJ1203/1213 is a genuine rubber sealing ring designed to restore and maintain the airtight/oil-tight seal inside Makita demolition hammers. Supplied under OEM number 213581-7, it fits precisely in the intended groove to prevent leaks, preserve internal pressure, and support consistent impact performance. The durable elastomer construction suits heavy-duty site use and regular servicing. This seal is commonly required during routine overhauls or when a hammer shows symptoms of reduced power or visible oil mist. It is engineered for Makita breakers used in construction, demolition, and landscaping work, including the HM1203C and HM1213C models. Being a genuine Makita part, it matches factory specification for fit, compatibility, and reliability, helping to keep your tool running smoothly.
Key Features:
- Genuine Makita part (OEM 213581-7) for assured compatibility and performance
- High-quality rubber construction for durability under demanding conditions
- Maintains internal pressure and prevents air/oil leaks to protect impact efficiency
- Correct profile and hardness for the intended seal location in Makita demolition hammers
- Helps restore lost performance caused by seal wear or blow-by
- Straightforward to fit during scheduled maintenance with basic workshop tools
- Supports reliable operation in dusty or wet site environments when serviced correctly
- Compatible with Makita HM1203C, HM1213C, and HM1214C models
Typical Applications:
Used during strip-downs and services of Makita demolition hammers to re-seal piston, cylinder, or valve areas where an O-ring is specified. Ideal when addressing reduced striking force, visible leakage, or preventative maintenance intervals. Suitable for construction, civil engineering, utilities, and landscaping work where reliable breaker performance is needed day to day.
Also known as:
O-ring 44, sealing ring, seal ring, gasket ring, rubber seal, tool seal. These terms are commonly used for circular elastomer seals performing a similar function in pneumatic or oil-damped mechanisms within power tools and breakers.
Fits Models:
HM1203C, HM1213C, HM1214C
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