The Honda 16500-Z4M-820 Remote Control Assembly is a genuine OEM component designed for GX160 and GX200 horizontal shaft engines and the WMP20 water pump. As a direct Honda OEM part, it is built to the same specification as the assembly installed at the factory, ensuring correct throttle and choke response from the first use. This assembly is the right choice for restoring proper governor and throttle linkage control on equipment powered by GX160 or GX200 engines, as well as WMP20 pumps — always verify your model and serial number against the fitment table before ordering.
Key Features
- Genuine Honda OEM — sourced directly from Honda, this assembly matches the original part number 16500-Z4M-820 exactly, so throttle and choke geometry are correct without adjustment.
- Correct Throttle and Governor Response — an accurate Remote Control Assembly ensures the governor linkage operates within its intended range, maintaining steady engine speed under load.
- Broad Fitment — covers GX160 and GX200 horizontal shaft engines and the WMP20 water pump; check your serial number against the compatibility table, as Honda supersedes parts at production breaks.
- Restore Lost Engine Control — a worn or damaged remote control assembly causes erratic throttle response, hunting, or an engine that won't hold a set speed; replacing it brings control back to spec.
The Remote Control Assembly governs how the operator's throttle input is translated to the carburetor and engine governor on a horizontal shaft engine or water pump. It links the external speed control lever to the internal governor linkage, allowing the engine to maintain a consistent rpm under varying loads. When this assembly wears, bends, or breaks, the engine may hunt, surge, fail to reach full speed, or become unresponsive to throttle inputs — replacing it is the direct fix for any of those symptoms.
Part Details
| Part Number | 16500-Z4M-820 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Remote Control Assembly |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Horizontal Shaft Engine | GX160, GX200 | All |
| Water Pump | WMP20 | 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.