Description
Overview:
The Piston for Makita HM1202C Demolition Hammer, OEM No. 416929-4, is a genuine Makita replacement part designed to restore impact performance and reliability. Precision‑machined from high‑strength, heat‑treated alloy, it withstands continuous high‑load use and repeated striking forces. As the core moving component in the hammer mechanism, it transfers the tool’s drive energy into consistent, powerful blows. This part is engineered specifically for the Makita HM1202C, ensuring correct fit and function within the original cylinder and seal arrangement. It is suitable for professional trades and DIY maintenance where loss of impact, erratic striking, or internal wear are suspected. This is a Genuine OEM Makita part (not aftermarket), selected to maintain original performance, durability and service life.
Key Features:
- Genuine OEM Makita part (not aftermarket) for assured compatibility and reliability
- Direct replacement for OEM No. 416929-4
- Precision‑machined and heat‑treated alloy construction for strength and wear resistance
- Designed to handle continuous high‑impact loads typical of demolition work
- Restores impact power and consistency in the HM1202C mechanism
- Manufactured to Makita tolerances for proper sealing and smooth piston travel
- Reduces downtime with a straightforward like‑for‑like swap when fitted per Makita service guidance
- Helps protect adjoining parts (cylinder, seals, striker system) by maintaining correct clearances
- Suitable for site, workshop, and rental fleet maintenance routines
- Supports long service life when used with clean lubrication and regular maintenance
Typical Applications:
Used to refurbish the hammering mechanism in Makita HM1202C demolition hammers where impact force has dropped, starting is sluggish, or internal wear is evident. Ideal for concrete breaking, chasing, and general demolition tasks in construction, renovation, and facilities work, keeping the tool operating efficiently and safely.
Also known as:
Often referred to as the striker, driver piston, impact ram, or percussion piston for 416929-4. Sometimes called the impact driver/ram assembly component within the HM1202C hammering system.
Fits Models:
HM1202C
Alternate Part Numbers:
416929-4, 416929 4, 4169294
Product Specifications
| L&S Part No. | 416929-4 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Makita |
| OEM No. | 416929-4 |
| Unit of Sale | 1 |
| Machine Type | Hammer Drill |
| Fits Brands | Makita |
| Fits Models | HM1202C |
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