Description
Overview:
The Piston for Makita HMJ1110C and HM1111C is a genuine Makita replacement part designed to restore the striking performance of compatible hammer drills and demolition hammers. Made from a high‐grade metal alloy for strength and wear resistance, it forms the moving core of the percussion mechanism, helping deliver consistent impact energy and smooth operation under load. As a direct replacement for OEM part number 451833-0, it maintains correct fit and function within the tool's cylinder and mating components. This piston helps reduce loss of power caused by a worn or damaged original, supporting reliable operation in concrete, masonry, and similar materials. It is suitable for professional users and DIY owners who need dependable performance and straightforward maintenance on Makita platforms.
Key Features:
- Genuine Makita part for assured compatibility and reliability (451833-0)
- Durable metal alloy construction for long service life in demanding use
- Precision fit to maintain impact energy and efficient percussion cycling
- Direct OEM replacement to simplify repairs and reduce downtime
- Helps restore performance when the original piston is worn or scored
- Smooth running characteristics support lower vibration and consistent results
- Suitable for intensive concrete and masonry breaking tasks
- Designed for straightforward fitting following the tool's service manual
- Works with existing seals and related components where specified
- Backed by Makita's engineering standards for quality and consistency
Typical Applications:
Replacing a worn or damaged piston in Makita demolition hammers and hammer drills used for concrete breaking, chiselling, chasing channels, floor and tile removal, and general demolition work. Ideal for routine overhauls to maintain impact power and tool reliability on site or in the workshop.
Also known as:
Percussion piston, demolition hammer piston, breaker piston, impact piston, replacement piston for hammer drill, piston component for percussion mechanism.
Fits Models:
HM1101C, HM1111C, HMJ1110C
