The Honda 31710-ZB7-A02 Diode Assembly is a genuine OEM Diode Assembly designed for EX3300 and EX4500 generators. As a Honda OEM part, it is manufactured to the same specification as the original component your generator shipped with, ensuring an exact electrical match. This assembly is the correct replacement for both the EX3300 and EX4500 — verify your generator's serial number against the fitment table to confirm the right application before ordering.
Key Features
- Genuine OEM Electrical Integrity — sourced directly from Honda, this diode assembly meets the original rectification specification, ensuring correct current flow in your generator's charging and output circuit
- Direct-Fit Replacement — designed as a drop-in replacement for the original component, this part installs without modification on EX3300 and EX4500 generators
- Confirmed Fitment — covers Honda EX3300 and EX4500 generators; check your unit's serial number against the compatibility table to confirm the correct assembly for your serial range
- Restored Output Performance — a failed diode assembly can cause irregular or absent AC output; replacing it with a genuine Honda component restores normal generator operation
The diode assembly in a conventional generator serves as a rectifier, converting the alternating current produced by the alternator windings into the direct current used to excite the field coil and maintain stable voltage output. When this assembly fails or degrades, the generator may produce erratic voltage, fail to build up output, or deliver no power at all. Replacing a faulty diode assembly with a genuine Honda part restores the generator's ability to regulate and deliver consistent electrical output.
Part Details
| Part Number | 31710-ZB7-A02 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Diode Assembly |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Generator | EX4500 | 1115605-9999999 |
| Generator | EX3300 | 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.