The Honda 91314-MJ0-000 O-Ring (3X70) is a genuine OEM replacement seal designed for H3011 and H3013 riding mowers and H4514 and H4518 lawn tractors. As a factory-sourced component, this O-ring is manufactured to the exact dimensional tolerances Honda specifies for these machines. Confirm your machine's serial number against the fitment table before ordering, as Honda updates parts at specific serial breaks — using the correct part number 91314-MJ0-000 ensures you receive the right ring for your unit.
Key Features
- Genuine OEM Sealing Integrity — sourced directly from Honda, this O-ring meets the exact dimensional specification required to maintain a proper seal in your machine
- Direct OEM Replacement — drops in without modification, restoring the original sealing surface as Honda intended
- Broad Fitment Coverage — listed for H3011 and H3013 riding mowers and H4514 and H4518 lawn tractors; verify your serial number against the fitment table to confirm applicability
- Prevents Fluid Loss — a worn or damaged O-ring allows fluid to bypass the seal, leading to leaks that can affect the performance and serviceability of the machine
An O-ring is a circular loop seal used to close the gap between two mating surfaces, preventing fluid or lubricant from escaping a joint under pressure or load. In riding mowers and lawn tractors like the H-series machines, O-rings appear throughout the hydraulic, cooling, and lubrication circuits, where maintaining a leak-free boundary is essential to consistent performance. When an O-ring deteriorates — through compression set, cracking, or swelling — the seal fails and fluid begins to escape, which can lead to system pressure loss or contamination if left unaddressed.
Part Details
| Part Number | 91314-MJ0-000 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | O-Ring (3X70) |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Lawn Tractor | H4514, H4518 | All |
| Riding Mower | H3011, H3013 | 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.
