Description
Overview:
This genuine Makita piston (MPN 321441-0) is a precision‐machined metal component for the hammer mechanism in selected Makita rotary and demolition hammer drills. It maintains the correct compression and impact transfer inside the percussion cylinder, helping your tool deliver consistent blow energy and reliable hammering action. Designed for a direct fit in the Makita HM1200K and HR500K, it is ideal when restoring performance after wear, scoring, or loss of impact. Manufactured to Makita's tolerances, it supports smooth running, reduced friction, and dependable service life when installed and maintained correctly. Use it as a like‐for‐like replacement to keep your drill operating efficiently on demanding tasks such as concrete breaking, chasing, or heavy‐duty drilling where consistent impact is essential.
Key Features:
- Genuine Makita OEM part for assured compatibility and reliability (MPN/OEM 321441-0)
- Precision‐machined metal piston for accurate fit and consistent impact energy
- Restores hammer performance where the original piston is worn or damaged
- Made to Makita tolerances for correct sealing and compression in the cylinder
- Direct replacement; fits existing assemblies with no modification
- Straightforward to install with standard workshop tools and service guidance
- Helps reduce misfires, loss of blow energy, and excess vibration caused by wear
- Durable construction suited to frequent professional use and heavy loads
Typical Applications:
Used during servicing or repair of Makita hammer drills to restore loss of impact, irregular hammering, or noisy operation. Suitable for tools used in concrete demolition, channel chasing, drilling anchor holes, and other heavy‐duty site or workshop tasks where reliable hammer action is required day after day.
Also known as:
Percussion piston, impact mechanism piston, hammer mechanism piston, piston for rotary hammer, OEM piston 321441-0, Makita hammer piston, percussion cylinder piston, replacement hammer piston.
Fits Models:
HM1200K, HR500K, HR5000K
Alternate Part Numbers:
3214410
Product Specifications
| L&S Part No. | 321441-0 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Makita |
| OEM No. | 321441-0 |
| Unit of Sale | 1 |
| Machine Type | Hammer Drill |
| Fits Brands | Makita |
| Key Features | - Genuine Makita OEM part for HM1200K, HR500K models - Precision-machined metal for consistent impact energy - Restores performance in worn or damaged hammer drills - Made to Makita tolerances for correct sealing - Direct replacement; no modification needed for fit |
| Fits Models | HM1200K | HR5000K |
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