The Honda 35570-Z2E-801 Speed Volume Assembly is a genuine OEM replacement built for the GX440 horizontal shaft engine. Sourced directly from Honda, this part meets the same specifications as the original component it replaces, ensuring accurate operation of the engine's speed control system. Confirm your engine's serial number against the fitment table before ordering to make sure part number 35570-Z2E-801 is the correct unit for your build.
Key Features
- Genuine OEM Accuracy — supplied by Honda, this assembly matches the original speed control component exactly, so the engine responds to throttle input the way it was designed to.
- Direct Replacement — engineered to fit the GX440 horizontal shaft engine without modification, restoring the speed control circuit to its original operating state.
- Serial Number Verification Recommended — Honda supersedes parts at defined production breaks; check your engine's serial number against the fitment table to confirm this is the correct assembly for your unit.
- Protects Engine Speed Stability — a worn or faulty speed volume assembly can cause erratic throttle response or loss of governed speed control; replacing it with the correct OEM part restores consistent engine behavior.
The Speed Volume Assembly is the variable-resistance control unit that translates throttle input into an electrical signal used by the engine's speed governing circuit. As the operator adjusts the throttle, the assembly modulates the signal sent to the governor or control module, allowing the engine to hold a set speed under changing load conditions. When this component wears or fails, the result is typically unstable engine speed, poor throttle response, or an inability to maintain a consistent governed RPM.
Part Details
| Part Number | 35570-Z2E-801 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Speed Volume Assembly |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Horizontal Shaft Engine | GX440 | 1002823-9999999 |
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.