Description
Overview:
The Cylinder 28.5 for Makita HR4001C and HR4011C hammer drills is a genuine Makita replacement part designed for the hammering mechanism. It is a precision-machined metal cylinder that provides the controlled chamber where the piston and striker operate, helping to maintain correct compression and efficient energy transfer on impact. Built from durable, wear‐resistant materials and made to tight tolerances, it withstands continuous site use and high internal pressures typical of rotary hammer drilling. Fitting a new cylinder restores consistent hammering performance, reduces air leakage, and supports smoother running. Supplied as Makita part number 324570-8, it offers a direct fit for the specified models without modification, making it a reliable choice for preventative maintenance or repair when the original cylinder shows wear or scoring.
Key Features:
- Genuine Makita part for dependable fit and function (Part No. 324570-8)
- Direct replacement for the cylinder in HR4001C and HR4011C hammer drills
- Precision-machined metal construction for stable compression and impact efficiency
- Designed to handle heavy-duty, repetitive hammering in tough conditions
- Helps restore striking power, drilling speed, and overall tool efficiency
- Supports longer service intervals by reducing internal wear and leakage
- Compatible with original pistons, seals, and related OEM components
- Consistent dimensional accuracy for low friction and smooth movement
- Straightforward installation for trained users with standard workshop tools
Typical Applications:
Used when refurbishing the hammer mechanism of Makita HR4001C or HR4011C drills that show reduced impact, irregular hammering, or air leakage. Suitable for maintenance in construction, demolition, renovation, and facility management environments where reliable SDS‐type hammering is required for tasks such as chiselling, channel cutting, and anchor setting in concrete and masonry.
Also known as:
Cylinder sleeve, hammer barrel, impact cylinder, percussion cylinder, pneumatic cylinder tube, replacement cylinder sleeve, internal hammer cylinder, striker cylinder body.
Fits Models:
HR4001C, HR4011C
Alternate Part Numbers:
3245708
Product Specifications
| L&S Part No. | 324570-8 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Makita |
| OEM No. | 324570-8 |
| Unit of Sale | 1 |
| Machine Type | Hammer Drills |
| Fits Brands | Makita |
| Key Features | - Genuine Makita part for HR4001C and HR4011C drills - Precision-machined metal ensures stable compression - Direct fit without modification for specified models - Reduces air leakage and supports smoother running - Withstands high pressures typical of rotary hammer drilling |
| Fits Models | HR4001C | HR4011C |
Reviews
Ask a Question
Compatibility
Customers also bought
-
![]()
Key Steel (Imperial) Length: 12" Assorted Pack of 20£78.14 £65.12 -
![]()
Flat Bar, Sizes: 20 x 3-6mm - Assorted Pack of 10£79.52 £66.27
Related Products
-
![]()
Key Steel (Imperial) Length: 12" Assorted Pack of 20£78.14 £65.12 -
![]()
Flat Bar, Sizes: 20 x 3-6mm - Assorted Pack of 10£79.52 £66.27
