The Honda 90003-ZF5-003 Flange Bolt (10X85) is a genuine OEM fastener designed for GXV390 vertical shaft engines, Honda H-series lawn tractors, H-series riding mowers, and HRC-series commercial mowers. As a direct Honda OEM part, it is manufactured to the exact dimensions and thread specification required for proper clamping and retention in the applications it serves. Confirm your model and serial number against the fitment table to ensure part number 90003-ZF5-003 is the correct bolt for your unit — Honda supersedes hardware at serial breaks, and the right specification matters.
Key Features
- Genuine OEM Fastener — sourced directly from Honda, with the exact thread pitch, shank length, and flange diameter required for secure clamping in these applications
- 10 mm x 85 mm Specification — the (10X85) designation identifies this bolt's size; verify this matches the original fastener you are replacing before ordering
- Broad Fitment — listed for GXV390 vertical shaft engines, H2013, H2113, H4013 lawn tractors, H3011 and H3013 riding mowers, and HRC7013 and HRC7113 commercial mowers
- Serial Number Check Advised — Honda updates hardware specifications at production breaks, so cross-reference your machine's serial number with the fitment table to confirm this is the correct bolt for your serial range
A flange bolt combines a conventional bolt head with an integrated washer-like flange beneath it. The flange distributes clamping load across a wider bearing surface than a standard bolt head, which helps maintain consistent clamp force and reduces the risk of the fastener working loose under vibration. Using the correct OEM bolt — with the right thread form, shank length, and flange geometry — ensures the joint is held to the torque and retention characteristics Honda engineered into the assembly.
Part Details
| Part Number | 90003-ZF5-003 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Flange Bolt (10X85) |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Commercial Mower | HRC7013, HRC7113 | All |
| Lawn Tractor | H2013, H2113, H4013 | All |
| Riding Mower | H3011, H3013 | All |
| Vertical Shaft Engine | GXV390 | 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.
