The Honda 90401-Z0A-000 Thrust Washer is a genuine OEM component designed for GCV520, GCV530, GXV520, and GXV530 vertical shaft engines. As a direct Honda OEM part, it is manufactured to the same specifications as the original, ensuring an exact fit within the engine's rotating assembly. Honda supersedes parts at serial number breaks, so confirm your engine's serial number against the fitment table before ordering.
Key Features
- Genuine Honda OEM — sourced directly from Honda, this washer matches the original part in every dimension, ensuring correct axial load distribution within the engine.
- Axial Clearance Control — thrust washers manage end-play in rotating shafts; using a dimensionally correct replacement helps maintain the clearances Honda engineered into these engines.
- Broad Vertical-Engine Coverage — listed for GCV520, GCV530, GXV520, and GXV530 vertical shaft engines, covering both the residential GCV and commercial GXV lines in this displacement range.
- Serial Number Verification Recommended — Honda updates part numbers at production breaks, so cross-check your engine's serial number against the compatibility table to confirm this is the correct washer for your unit.
A thrust washer controls axial movement — the back-and-forth play — of a rotating shaft within the engine. By sitting between two moving or stationary faces, it absorbs thrust loads that would otherwise be taken directly by softer engine components, helping to keep internal clearances within their designed range. When a thrust washer wears thin or is missing entirely, excess end-play can accelerate wear on adjacent components and lead to noise, increased internal clearance, and eventual engine damage.
Part Details
| Part Number | 90401-Z0A-000 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Thrust Washer |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Vertical Shaft Engine | GCV520, GCV530, GXV520, GXV530 | 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.
