The Honda 35570-Z2E-004 Speed Volume Assembly is a genuine OEM component designed for GX440 horizontal shaft engines. Sourced directly from Honda, this part is built to the same specification as the original, ensuring a direct fit without modification. If your GX440 engine is experiencing governor or throttle response issues, this assembly is the correct OEM solution. Always verify your engine serial number against the fitment table before ordering, as Honda supersedes parts at serial number breaks.
Key Features
- Genuine OEM Accuracy — manufactured by Honda to match the original Speed Volume Assembly exactly, ensuring correct throttle and speed control behavior for GX440 engines
- Direct OEM Replacement — an exact-fit part that installs in place of the original with no adaptation, maintaining the engine's designed operating characteristics
- GX440 Fitment — designed specifically for the GX440 horizontal shaft engine; confirm your serial number against the fitment table to ensure this is the correct assembly for your unit
- Restored Speed Control — a worn or damaged speed volume assembly can cause erratic engine speed, poor load response, or loss of governed control; replacing it restores predictable engine behavior under load
The Speed Volume Assembly is part of the engine's governor and throttle control system. It works alongside the governor linkage to regulate engine speed, translating operator input and load changes into precise throttle adjustments that keep the GX440 running at a consistent, controlled speed. When this assembly wears or fails, the engine may hunt, surge, or fail to hold a steady speed under load, making timely replacement important for dependable operation of the equipment it powers.
Part Details
| Part Number | 35570-Z2E-004 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Speed Volume Assembly |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Horizontal Shaft Engine | GX440 | 1002538-9999999 |
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.