Description
Overview:
This O Ring is a Genuine Makita part for the HM1304 and HM1304B demolition hammer drills. It is made from durable black rubber and is designed to restore and maintain a tight, reliable interface within the tool's pneumatic and impact assemblies. By replacing a worn O Ring, you help prevent air and grease loss inside the mechanism, supporting consistent power delivery and reducing premature wear of mating parts. Correct sealing also helps keep dust and debris out of critical moving components. Supplied under Manufacturer Part Number (MPN) 213572-8, this O Ring offers the correct fit and material quality expected for Makita professional tools, ensuring dependable performance during heavy-duty breaking and chiselling tasks on site or at home.
Key Features:
- Genuine Makita part for assured compatibility with HM1304 and HM1304B
- Durable rubber construction for dependable service life under impact loads
- Helps maintain internal pressure and lubrication retention
- Supports consistent tool performance and strike energy
- Resists common site contaminants such as dust and debris
- Straightforward like-for-like replacement with no modifications needed
- Correct fit reduces risk of leaks and follow-on component damage
- Clear MPN identification: 213572-8 for accurate reordering
Typical Applications:
Used during routine maintenance or repairs of Makita HM1304/HM1304B hammer drills to restore airtight and grease-tight joints. Suitable when the tool shows reduced impact force, visible grease escape, or after strip-down cleaning. Ideal for contractors, facilities teams, and DIY users maintaining performance in demolition, chasing, and heavy chiselling work.
Also known as:
Sealing ring, packing ring, elastomer ring, compression O-ring, O-ring gasket, rubber sealing ring. These terms are often used in service manuals and parts lists for percussion tools where correct sealing is required between moving or static components.
Fits Models:
HM1304
HM1304B
Alternate Part Numbers:
213572 8, 2135728
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