Description
Overview:
This Gear Assembly is a genuine Hitachi/Hikoki replacement set for the drive gears inside selected disc grinders, including the G23MR and G23MRUA. Made from hardened, precision‐machined steel, it transmits motor power reliably to the spindle while maintaining correct gear mesh and alignment. It restores smooth, efficient operation in tools that have developed noise, backlash or power loss due to worn gears. Designed to replace earlier gear sets 320223 or 320224, and supplied under OEM reference 330032, it provides a straightforward way to keep your grinder performing as intended. Suitable for both site work and workshop maintenance, it supports regular use by tradespeople and DIY users who need dependable cutting and grinding performance.
Key Features:
- Genuine Hitachi/Hikoki part for assured compatibility and reliability
- Direct replacement for OEM 330032; replaces earlier 320223 or 320224
- Hardened steel bevel gears for durability under heavy loads
- Precision gear profile for smooth power transfer and reduced vibration
- Helps restore cutting/grinding efficiency and consistent speed
- Designed to fit the original gearbox housing with no modifications
- Suitable for professional duty cycles and regular maintenance schedules
- Supports accurate gear alignment to minimise premature wear
- Straightforward fitting with standard workshop tools to reduce downtime
- Backwards compatible with selected Hitachi‐badged machines listed below
Typical Applications:
Replacement of worn or damaged gearbox gears in Hikoki/Hitachi disc grinders used for cutting, grinding and surface preparation. Common on tools used for metal fabrication, masonry cutting, site maintenance, renovation work and landscaping tasks where reliability and consistent torque are essential.
Also known as:
Grinder gear assembly, bevel gear set, spiral bevel gear kit, gearbox gear set, drive gear and pinion, angle grinder gear kit, transmission gear set, replacement gear pack for grinder gearhead.
Fits Models:
CM7MC, CM7MR, CM7MRU, CM9SR, G23MR, G23MRUA, G23SC3, G23SF2, G23SR, G23SS, G23UB2, G23UC
Alternate Part Numbers:
330032
Product Specifications
| L&S Part No. | HKK330032 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Hitachi/Hikoki |
| OEM No. | 330032 |
| Unit of Sale | 1 |
| Applications | CM7MC, CM7MR, CM7MRU, CM9SR, G23MR, G23MRUA, G23SC3, G23SF2, G23SR, G23SS, G23UB2, G23UC |
| Machine Type | Angle Grinder |
| Fits Brands | Hikoki |
| Fits Models | CM9SR | G23MR | G23SC3 | G23SF2 | G23SR | G23UB2 | G23UC |
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