Description
Overview:
This Spacer (MPN 419002-9) is a genuine Makita component used in rotary hammer drills to maintain the correct internal clearances and alignment. It sits within the hammer drill assembly to keep parts correctly spaced, supporting smooth operation and reducing wear on moving components. Built from durable materials to cope with heavy site use, it is engineered for a precise fit in Makita professional hammer drills such as the HR4001C and HR4011C. As an OEM part, it restores factory specification and helps protect gears, bearings and the hammer mechanism from premature damage caused by misalignment. If your tool shows increased play, noise, or reduced impact efficiency, replacing a worn spacer is a straightforward, cost‐effective fix. Genuine Makita part for reliable compatibility and performance.
Key Features:
- Genuine Makita replacement part (OEM), MPN 419002-9
- Precision fit for accurate spacing and internal alignment
- Durable construction for long service life under heavy loads
- Helps restore smooth drilling and hammering performance
- Reduces vibration, noise and premature wear of bearings and gears
- Stable operation improves tool efficiency and reliability
- Direct replacement with no modification required
- Supports correct clearances in the drive and hammer assemblies
- Suitable for routine servicing or full overhaul of the tool
- Maintains manufacturer specifications and compatibility
Typical Applications:
Used during maintenance or repair of Makita rotary hammer drills to replace a worn or damaged spacer. Common when overhauling the gear case or hammer unit, addressing excess end float, rattling, or declining impact power. Suitable for workshop servicing or on-site repairs to keep high-use tools performing reliably in drilling and chiselling tasks on concrete, masonry and stone.
Also known as:
Spacer ring, distance ring, distance piece, shim ring, alignment spacer, separator ring, drill spacer, rotary hammer spacer, packing ring.
Fits Models:
HR4001C, HR4011C, HR4511C, HR5211C
