The Honda 31710-893-003 Diode Stack Assembly (2.7A) is a genuine OEM component designed for Honda E4500, EL5000, ES4500, ES6500, and EX5500 generators. As a direct Honda OEM replacement, this diode stack assembly carries the same specifications as the part installed at the factory, ensuring a correct fit within the generator's electrical system. Confirm your generator's serial number against the fitment table before ordering, as Honda supersedes parts at serial breaks and the correct assembly varies by production range.
Key Features
- Genuine OEM Electrical Integrity — sourced directly from Honda, this diode stack assembly meets the exact 2.7A rating specified for these generators, ensuring the electrical system operates as intended
- Exact-Match Replacement — engineered to drop in as a direct replacement for the original unit, with no reworking of the generator's wiring harness or mounting
- Broad Generator Compatibility — fits Honda E4500, EL5000, ES4500, ES6500, and EX5500 generators; always verify your serial number against the fitment table to confirm the correct variant
- Protects Output Quality — a failed diode stack allows AC voltage to pass uncorrected through the rectifier circuit, leading to fluctuating or unusable DC output; replacing a faulty assembly restores stable, clean power delivery
The diode stack assembly is a rectifier component within the generator's charging and DC output circuit. It converts alternating current produced by the alternator into direct current, allowing the generator to supply regulated DC power alongside its AC output. When one or more diodes in the stack fail — whether from age, overload, or heat — the rectification process breaks down, causing irregular voltage, charging faults, or a complete loss of DC output from the generator.
Part Details
| Part Number | 31710-893-003 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Diode Stack Assembly (2.7A) |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Generator | ES6500 | 1139796-9999999 |
| Generator | E4500, EL5000, ES4500, EX5500 | 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.