The Honda 22254-ZN4-003 Clutch Washer (8MM) is a genuine OEM component built for WT20, WT30, and WT40 water pumps. As a direct OEM replacement, this washer is manufactured to Honda's exact specifications, ensuring the correct fit and function within the clutch assembly of these pumps. Honda supersedes parts at specific serial number breaks, so verify your pump's serial number against the fitment table before ordering to confirm this is the right part for your unit.
Key Features
- Genuine OEM Quality — sourced directly from Honda, this washer meets the same dimensional and material standards as the original part it replaces, maintaining proper clutch assembly function.
- Correct 8MM Sizing — the (8MM) designation identifies this as a specific variant; confirm your pump's clutch assembly requires this size before purchasing.
- Broad Pump Fitment — designed for WT20, WT30, and WT40 Honda centrifugal water pumps, covering a wide range of Honda's engine-driven pump lineup.
- Serial Number Verification Recommended — Honda updates parts across production runs; check your pump's serial number against the compatibility table to ensure this washer matches your specific unit.
The Clutch Washer (8MM) is a precision-fit washer within the centrifugal pump's clutch assembly, providing the correct spacing and load distribution between clutch components. Without the right washer in place, clutch engagement can become inconsistent, leading to slipping or uneven wear on surrounding parts. Keeping this washer in good condition is a straightforward step that helps the pump's clutch engage cleanly and transfer power efficiently from the engine to the pump impeller.
Part Details
| Part Number | 22254-ZN4-003 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Clutch Washer (8MM) |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Water Pump | WT20, WT30 | 1115018-9999999 |
| Water Pump | WT40 | 1120495-9999999 |
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.
