The Honda 94103-04000 Plain Washer (4MM) is a genuine OEM component designed for a wide range of Honda engines, lawn mowers, generators, water pumps, and compact tractors, including GC135, GC160, GC190, GCV135, GCV160, GCV170, GCV190, GCV200, GSV190, EB12, EN2000, EN2500, H6522, HRB216, HRB217, HRC216, HRN216, HRR216, HRS216, HRT216, HRX217, HRZ216, WN20, and WN30 models. As a Honda OEM part, it is manufactured to the same specifications as the original hardware installed on these machines at the factory. Because this washer appears across many models and serial ranges, always verify your machine's serial number against the fitment table before ordering to confirm part number 94103-04000 is correct for your specific unit.
Key Features
- Genuine OEM Hardware — sourced directly from Honda, this washer matches the exact dimensions and tolerances of the original 4MM plain washer installed on your machine.
- Broad Cross-Model Fitment — listed for Honda GC-series and GCV-series engines, GSV190 vertical shaft engines, EB12, EN2000, and EN2500 generators, WN20 and WN30 water pumps, H6522 compact tractors, and multiple HR-series lawn mowers including the HRX217, HRC216, HRN216, HRR216, HRB216, HRB217, HRS216, HRT216, and HRZ216.
- Serial Number Verification Advised — Honda supersedes hardware at production breaks, so confirm your machine's serial number against the fitment table to ensure this is the correct washer for your unit.
- Direct Drop-In Replacement — this washer installs without modification, restoring the original clamping and load distribution the assembly was designed around.
A plain washer distributes the clamping load of a fastener across a broader surface area, protecting the material beneath and helping the fastener maintain consistent holding force during operation. In equipment that runs under vibration — engines, mowers, pumps, and generators — a washer of the correct size prevents fastener loosening and surface damage that can develop over time. Using the correct OEM-specified 4MM washer ensures the fastener assembly performs as Honda engineered it, maintaining the integrity of the joint through normal service life.
Part Details
| Part Number | 94103-04000 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Plain Washer (4MM) |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Compact Tractor | H6522 | All |
| Generator | EB12, EN2000, EN2500 | All |
| Horizontal Shaft Engine | GC135, GC160, GC190 | All |
| Lawn Mower | HRB216, HRB217, HRC216, HRN216, HRR216, HRS216, HRT216, HRX217, HRZ216 | All |
| Vertical Shaft Engine | GCV135, GCV160, GCV170, GCV190, GCV200, GSV190 | All |
| Water Pump | WN20, WN30 | 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.
