Description
Overview:
The Carbon Brush A.S. Type 7x17x17 is a genuine Hitachi/Hikoki spare designed for the motors in selected power tools. Made from high-quality carbon, it provides dependable electrical contact with controlled wear, helping the motor start reliably and deliver steady power under load. It transfers current from the fixed wiring to the rotating commutator and is sized precisely at 7 x 17 x 17 mm (0.28 x 0.67 x 0.67 in) for the correct fit in compatible brush holders. This brush is a direct replacement for OEM No. 999074 and replaces 937943. It suits rotary hammers such as the DH45SA and DH50MR, and is also used across other compatible grinders, cutters and breakers listed below. Timely brush replacement helps protect the armature and extend overall tool life.
Key Features:
- Genuine Hitachi/Hikoki part for assured compatibility and reliability
- Exact size: 7 x 17 x 17 mm (0.28 x 0.67 x 0.67 in) for a precise fit
- Direct replacement for OEM No. 999074; replaces 937943
- Durable carbon composition for good conductivity and reduced sparking
- Consistent contact for stable power delivery and smoother running
- Straightforward to fit with basic hand tools, minimising downtime
- Suitable for demanding site and workshop environments
- Best practice: replace brushes in pairs to ensure even wear and performance
Typical Applications:
Routine maintenance and repair of compatible Hitachi/Hikoki rotary hammers and other tools using 7 x 17 x 17 mm brushes. Ideal when you notice intermittent power, excessive sparking, reduced performance, or during scheduled servicing. Commonly used on construction sites, in demolition work, metalworking, and general workshop or plant maintenance.
Also known as:
Carbon motor brush, electric motor brush, commutator brush, brush assembly Type 7x17x17, replacement brush for OEM 999074, motor carbon.
Fits Models:
CC12Y, CM7MR, CM7MRU, CM9SR, DH45SA, DH50MR, DH50MRY, G18SH, G18SR, G23SR, G23SRU, H60MC, H60MR, H60MRV, PH65A
Alternate Part Numbers:
HKK937943, 937943, 999074
Product Specifications
| L&S Part No. | HKK999074 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Hitachi/Hikoki |
| OEM No. | 999074 |
| Unit of Sale | 1 |
| Applications | CC12Y, CM7MR, CM7MRU, CM9SR, DH45SA, DH50MR, DH50MRY, G18SH, G18SR, G23SR, G23SRU, H60MC, H60MR, H60MRV, PH65A |
| Machine Type | Rotary Hammer |
| Fits Brands | Hikoki |
| Fits Models | DH50MR | DH50MRY | G23SR | H60MC |
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