The Honda 64638-ZB7-000 Rear Panel Insulator (B) is a genuine OEM anti-vibration mount designed for EX3300 and EX4500 generators and the EXW171 welder generator. As a direct Honda OEM component, this insulator is built to the same specification as the part it replaces, ensuring correct fitment and consistent performance. Verify your unit's serial number against the fitment table before ordering, as Honda supersedes parts at serial breaks and the correct insulator variant matters for a proper installation.
Key Features
- Genuine OEM Vibration Isolation — Honda-sourced rubber mount engineered to absorb and dampen panel vibration at the rear panel, maintaining the structural integrity Honda designed into these units
- Exact OEM Fit — manufactured to Honda's original specifications, this part installs without modification as a like-for-like replacement for the original insulator
- Broad Generator Compatibility — fits EX3300 and EX4500 generators and the EXW171 welder generator, covering a range of Honda's conventional and welder generator models
- Check Your Serial Number — Honda updates part supersessions at specific serial breaks; confirm your machine's serial number against the fitment table to ensure part number 64638-ZB7-000 is the correct insulator for your unit
The Rear Panel Insulator (B) is a rubber anti-vibration mount positioned at the rear panel of the generator or welder generator. Its role is to cushion the panel against engine-induced vibration, reducing noise transmission and preventing the loosening or fatigue that repeated vibration causes over time. When this mount deteriorates or tears, the rear panel loses its isolation from the engine's vibration, leading to increased rattling, accelerated wear at panel attachment points, and a less controlled running character from the machine.
Part Details
| Part Number | 64638-ZB7-000 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Rear Panel Insulator (B) |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Generator | EX3300, EX4500 | All |
| Welder Generator | EXW171 | All |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.
