Description
Overview:
The Makita 638510-3 Lead Unit is a genuine internal wiring assembly for corded rotary demolition hammers, engineered to restore safe and reliable electrical continuity within the tool. Built with insulated copper conductors and pre-fitted connectors, it links key components such as the power feed, switch and motor, ensuring consistent performance during heavy-duty work. Designed specifically for the Makita HR4511C and HR5211C, it offers precise fitment without modification. The robust insulation and connector housings are suitable for the vibration and dust typical of demolition environments. As a Genuine Makita Part, it meets the manufacturer's quality standards, making it a dependable choice when replacing heat-damaged, worn or broken internal leads that can cause intermittent power, loss of function or tripping.
Key Features:
- Genuine Makita part (638510-3) for assured compatibility with specified models
- Pre-terminated connectors for straightforward fitting; no soldering required
- Durable insulated conductors and secure connectors for long service life under vibration
- Restores safe, stable power flow and control functions when original wiring has failed
- Manufactured to Makita's quality standards for reliability and consistent performance
- Designed for internal replacement, helping minimise downtime on site or in the workshop
- Suitable for demanding demolition use where dust, impact and movement are common
- Helps maintain manufacturer-intended tool performance and safety
Typical Applications:
Used during servicing or repair of HR4511C/HR5211C hammers showing symptoms such as intermittent power, arcing, damaged insulation, or failed connectors. Ideal for refurbishing tools after prolonged site use, ensuring dependable operation for heavy drilling, chiselling and breaking tasks in concrete, masonry and similar materials.
Also known as:
Wiring loom, wire harness, electrical lead assembly, internal cable harness, connector loom, cable set, internal power lead, harness assembly, electrical loom, replacement wiring kit.
Fits Models:
HR4511C, HR5211C
Alternate Part Numbers:
6385103
