The Honda 28443-Z1B-D10 Return Spring is a genuine OEM component designed for EM650 and EX650 generators, the EX1000 generator, and the HP250 power carrier. As a direct Honda OEM part, it is manufactured to the same specification as the spring that left the factory, ensuring correct tension and travel for the mechanism it serves. Confirm your model and serial number against the fitment table before ordering, as Honda supersedes parts at production breaks and the correct spring varies by unit.
Key Features
- Genuine Honda OEM — sourced directly from Honda, this return spring meets the exact tension and dimensional requirements of the original, so the mechanism it controls returns crisply and consistently.
- Broad Fitment — fits EM650 and EX650 generators, the EX1000 generator, and the HP250 power carrier; check your serial number against the fitment table to confirm the correct version for your unit.
- Restore Proper Operation — a fatigued or broken return spring allows the controlled component to stick or fail to reset, disrupting normal machine function; replacing it with this OEM part restores the intended action.
A return spring does exactly what its name describes: it pulls a lever, linkage, or control back to its rest position once the operating force is released. In generators and power carriers, these springs are typically found in throttle, governor, or control linkage assemblies, where consistent return action keeps the machine responding predictably to operator input. When a return spring weakens, stretches, or breaks, the connected component may lag, stick, or fail to return to its neutral position, affecting throttle response or control behavior until the spring is replaced.
Part Details
| Part Number | 28443-Z1B-D10 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Return Spring |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Generator | EX1000 | 1000001-1186838 |
| Generator | EM650, EX650 | 1280788-1281027 |
| Power Carrier | HP250 | 1000001-2541991 |
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.
