The Honda 31710-Z2E-013 Rectifier Assembly is a genuine OEM component designed for GX440 horizontal shaft engines. Sourced directly from Honda, this part carries the same specifications as the unit installed at the factory, making it a straightforward like-for-like replacement. If your GX440 engine is showing signs of charging system trouble — flickering output, a battery that won't hold a charge, or erratic electrical behavior — the Rectifier Assembly is a common culprit and a logical first step in restoring normal operation.
Key Features
- Genuine OEM Charging Integrity — Honda-sourced construction ensures the correct voltage regulation and current handling characteristics for the GX440 charging circuit, not a generic approximation.
- Direct OEM Replacement — This Rectifier Assembly is designed to replace the original unit in GX440 horizontal shaft engines using the same mounting and connector configuration as the factory part.
- Serial Number Verification Recommended — Honda updates parts at production breaks, so confirm your engine's serial number against the fitment table before ordering to ensure part number 31710-Z2E-013 is the correct match for your unit.
- Restores Electrical Output — A failed rectifier allows unregulated or unfiltered AC voltage into the engine's DC electrical system, draining batteries and potentially damaging connected accessories. Replacing a faulty unit brings the charging system back into spec.
The Rectifier Assembly converts the alternating current produced by the engine's charging coil into the direct current needed to power DC accessories and maintain battery charge. It acts as a one-way electrical gate, allowing current to flow in only one direction while blocking the reverse — a process known as rectification. When this component fails, the engine may still run, but the electrical system loses its ability to deliver stable DC output, leading to discharged batteries, damaged accessories, or complete charging system failure.
Part Details
| Part Number | 31710-Z2E-013 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Rectifier Assembly |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Horizontal Shaft Engine | GX440 | 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.
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