The Honda 91601-ZE1-003 O-Ring is a genuine OEM component designed for GX140 horizontal shaft engines. As a direct Honda OEM part, this O-Ring is manufactured to the exact dimensions required for a proper seal, ensuring it performs as intended right out of the box. Verify your engine's serial number against the fitment table to confirm this is the correct O-Ring for your unit before ordering.
Key Features
- Genuine OEM Sealing Integrity — manufactured to Honda's exact dimensional specification, so the O-Ring seats correctly and holds a consistent seal without leaks or bypass.
- Direct OEM Replacement — sourced directly from Honda, this O-Ring installs without modification and matches the original part in profile and durometer.
- GX140 Fitment — listed for GX140 horizontal shaft engines; confirm your serial number against the fitment table to ensure you have the right part for your specific build.
- Restores Leak-Free Operation — a worn or flattened O-Ring allows fluid or pressure to escape past the sealing surface; replacing it with a fresh OEM part returns the engine to a proper sealed condition.
An O-Ring is a molded loop of elastomer that seats into a machined groove and creates a pressure-tight or fluid-tight seal between two mating surfaces. In a small engine such as the GX140, O-Rings are used at various joints throughout the fuel, oil, and cooling systems to prevent leaks and maintain correct operating pressures. When an O-Ring hardens, cracks, or deforms with age and heat cycles, the seal breaks down and fluid begins to escape — replacing it promptly prevents more serious engine damage.
Part Details
| Part Number | 91601-ZE1-003 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | O-Ring |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Horizontal Shaft Engine | GX140 | 1000001-2664636 |
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.
