The Honda 90401-Z0H-000 Washer is a genuine OEM component designed for GX25 horizontal shaft engines and HHT25 trimmers. As a direct Honda OEM part, it is manufactured to the same specifications as the original, ensuring a proper fit without modification. This washer is confirmed for GX25 engines and HHT25 trimmers — always verify your unit's serial number against the fitment table to confirm part number 90401-Z0H-000 is correct for your serial range before ordering.
Key Features
- Genuine Honda OEM — sourced directly from Honda, this washer meets the exact dimensional requirements of the original part it replaces.
- Direct Replacement — designed to drop in without rework, restoring the assembly to its original condition.
- Broad Fitment — listed for GX25 horizontal shaft engines and HHT25 trimmers; confirm your serial number against the compatibility table to ensure a match.
A washer distributes the clamping load of a fastener across a wider surface area, preventing the bolt or nut from pulling into or damaging the surrounding material. In small-displacement engines and trimmer assemblies like the GX25 and HHT25, proper load distribution keeps fastened joints secure through vibration and repeated use. When a washer is worn, deformed, or missing, fastener retention is compromised and the joint can work loose over time.
Part Details
| Part Number | 90401-Z0H-000 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Washer |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Horizontal Shaft Engine | GX25 | 1001494-9999999 |
| Trimmer | HHT25 | 2359747-9999999 |
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.
