The Honda 91302-Z0A-003 O-Ring (5.8X2) is a genuine OEM sealing ring designed for GCV530, GXV520, and GXV530 vertical shaft engines. As a direct Honda OEM component, this O-Ring (5.8X2) is made to the exact dimensions Honda specifies, ensuring a proper seal where it counts. Confirm your engine's serial number against the fitment table before ordering, as Honda supersedes parts at production breaks and the correct ring for your serial range matters.
Key Features
- Exact OEM Dimensions — manufactured to Honda's precise 5.8 x 2 mm specification, so the sealing cross-section seats correctly and holds pressure without leaks
- Genuine Honda Part — sourced directly from Honda and identical to the ring installed at the factory, eliminating the guesswork of aftermarket sizing variations
- Vertical Shaft Engine Fitment — listed for GCV530, GXV520, and GXV530 vertical shaft engines; verify your serial number against the fitment table to confirm the correct part for your engine's production range
- Leak Prevention — a deteriorated or incorrectly sized O-ring allows fluid or air past the seal, leading to oil loss, pressure drop, or contamination; replacing it restores the integrity of the sealed joint
An O-ring is a looped elastomeric seal that sits in a machined groove between two mating surfaces or around a shaft, fitting, or plug. When the joint is assembled, the O-ring is compressed slightly, filling the gap and blocking the passage of oil, fuel, coolant, or air. Over time, heat cycling and exposure to fluids cause the rubber to harden, crack, or shrink — once the ring loses its ability to conform to the groove, the seal fails and leaks develop. Replacing a worn O-ring with a part number 91302-Z0A-003 ring of the correct size restores that seal and protects the surrounding components from fluid loss or ingestion.
Part Details
| Part Number | 91302-Z0A-003 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | O-Ring (5.8X2) |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Vertical Shaft Engine | GCV530, GXV520, GXV530 | 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.
