The Honda 91363-VD6-003 O-Ring (P9) is a genuine OEM sealing ring designed for H3011 and H3013 riding mowers and H4514 and H4518 lawn tractors. As an authentic Honda component, this O-Ring (P9) is held to the same dimensional standards as the original part it replaces, ensuring a proper seal without leaks or fitment issues. Always verify your unit's serial number against the fitment table before ordering, as Honda supersedes parts at serial breaks and the correct listing row matters.
Key Features
- Genuine OEM Sealing Integrity — manufactured to Honda's original dimensional specification for the P9 profile, ensuring the sealing surface seats correctly and holds pressure without weeping or bypass
- Direct-Replacement Fit — this O-Ring (P9) is a drop-in swap under part number 91363-VD6-003, requiring no trimming or modification to install
- Broad Fitment Across Honda's Riding Line — listed for H3011 and H3013 riding mowers and H4514 and H4518 lawn tractors; verify your serial number against the fitment table to confirm the correct application
- Leak Prevention — a deteriorated or missing O-ring allows fluid to escape the sealed joint, leading to system pressure loss and potential damage to surrounding components; replacing it promptly restores a tight seal
An O-ring is a loop-shaped seal seated in a machined groove between two mating surfaces. When the joint is assembled and tightened, the O-ring compresses slightly, forming a barrier that prevents fluid or lubricant from escaping the sealed passage. Over time, heat cycling, chemical exposure, and mechanical compression cause the rubber to harden, crack, or flatten, which breaks the seal and allows leaks to develop. Replacing a worn O-ring with the correct Honda OEM part restores the original sealing geometry and stops fluid loss before it leads to larger mechanical issues.
Part Details
| Part Number | 91363-VD6-003 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | O-Ring (P9) |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Lawn Tractor | H4514, H4518 | 1000001-1006846 |
| Riding Mower | H3011, H3013 | 1000001-6004694 |
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.
