The Honda 90471-VB4-000 Washer (10.5X40X4) is a genuine OEM replacement designed for GX640 horizontal shaft engines and H5518 multi-purpose tractors. Sourced directly from Honda, this washer matches the original dimensions specified for these applications, ensuring the correct load distribution and seating that the assembly requires. Honda supersedes parts at serial number breaks, so confirm your machine's serial number against the fitment table before ordering to make sure part number 90471-VB4-000 is the right version for your unit.
Key Features
- Genuine OEM Dimensions — manufactured to Honda's original 10.5 x 40 x 4 mm specification, delivering the exact bearing surface and stack height the assembly calls for
- Direct OEM Replacement — drops in as a like-for-like swap with no rework, keeping the fastener clamping load and component alignment on spec
- Broad Fitment — listed for GX640 horizontal shaft engines and H5518 multi-purpose tractors; confirm your serial number against the compatibility table to verify the correct variant for your unit
A washer of this size serves as a load-spreading interface between a fastener and the surface it bears against, distributing clamping force evenly to protect the mating components from deformation or damage. On equipment like the GX640 engine and the H5518 tractor, using a washer with the correct inner diameter, outer diameter, and thickness keeps fastener tension consistent and prevents loosening under vibration. Installing one that is undersized, oversized, or worn can allow the fastener to work loose or cause surface damage to the components it bears against, leading to more significant repairs down the line.
Part Details
| Part Number | 90471-VB4-000 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Washer (10.5X40X4) |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Horizontal Shaft Engine | GX640 | All |
| Multi-Purpose Tractor | H5518 | 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.