The Honda 90306-KF0-003 Flange Nut (12MM) is a genuine OEM fastener designed for Honda H4013, H4514, H4518, HT3810, HT3813, and HT4213 lawn tractors. As a direct Honda OEM component, this nut is manufactured to the same specifications as the original hardware installed at the factory. Verify your tractor's serial number against the fitment table to confirm part number 90306-KF0-003 is correct for your unit before ordering.
Key Features
- Genuine OEM Hardware — sourced directly from Honda, ensuring this Flange Nut (12MM) matches the original fastener in thread pitch and flange diameter.
- Exact-Match Replacement — engineered to install directly in place of the original nut with no rework or modification to surrounding components.
- Broad Lawn Tractor Fitment — listed for Honda H4013, H4514, H4518, HT3810, HT3813, and HT4213 lawn tractors; confirm your serial number against the fitment table to verify the correct application.
A flange nut combines a standard hex nut with an integrated wide flange that acts as a built-in washer. The flange distributes clamping load across a larger surface area, which helps maintain a secure hold and reduces the risk of loosening under the vibration typical of lawn tractor operation. When a flange nut becomes stripped, corroded, or lost during service, replacing it with the correct OEM part restores proper clamping force and keeps the fastened assembly secure.
Part Details
| Part Number | 90306-KF0-003 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Flange Nut (12MM) |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Lawn Tractor | HT3810, HT3813, HT4213 | 1000001-5009127 |
| Lawn Tractor | H4013, H4514, H4518 | 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.
