The Honda 31207-ZH9-003 Overrunning Clutch is a genuine OEM replacement designed for GX240 and GX270 horizontal shaft engines. As a direct Honda OEM component, this overrunning clutch is manufactured to the same specification as the original, ensuring a proper drop-in fit with no guesswork. Confirm your engine's serial number against the fitment table before ordering, as Honda supersedes parts at specific serial breaks and the correct clutch for your unit depends on your serial range.
Key Features
- Genuine Honda OEM — sourced directly from Honda, this clutch is identical to the original part your engine shipped with, maintaining correct engagement and release characteristics.
- One-Way Drive Engagement — engineered to transfer torque in one direction only, allowing the starter to drive the engine without back-driving once the engine fires.
- Confirmed Fitment — designed for GX240 and GX270 horizontal shaft engines; check your serial number against the fitment table to confirm the correct variant for your unit.
- Restore Starting Reliability — a worn or slipping overrunning clutch can cause hard starts or starter damage; replacing this component restores clean, positive starter engagement.
The overrunning clutch — also called a one-way clutch or sprag clutch — sits in the starting system of the engine and allows the starter motor to spin the crankshaft in one direction to initiate combustion. Once the engine fires and the crankshaft accelerates beyond starter speed, the clutch automatically disengages, preventing the engine from back-driving and damaging the starter. When this component wears out, symptoms typically include a starter that spins without cranking the engine, or a grinding sensation during start attempts.
Part Details
| Part Number | 31207-ZH9-003 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Overrunning Clutch |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Horizontal Shaft Engine | GX240, GX270 | 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.
