The Honda 90603-Z7E-000 E-Ring (7mm) is a genuine OEM retaining ring designed for Honda EB3800, EB5000, EB6500, EM3800, EM5000, and EM6500 generators, as well as GX390 horizontal shaft engines. Sourced directly from Honda, this clip meets the same specifications as the original hardware installed at the factory. Confirm your model and serial number against the fitment table before ordering, as Honda supersedes hardware at production breaks and multiple variants may share a similar appearance.
Key Features
- Genuine Honda OEM Hardware — an authentic Honda part, identical to the original retaining ring installed during production, with no guesswork on sizing or compatibility.
- Correct 7mm Sizing — the (7mm) designation identifies this specific ring diameter; confirm this matches the shaft or groove on your unit before installing.
- Broad Fitment — listed for Honda EB3800, EB5000, EB6500, EM3800, EM5000, and EM6500 generators, as well as GX390 engines; check your serial number against the fitment table to confirm the correct clip for your build.
- Direct Drop-In Replacement — engineered to the same geometry as the original, so installation requires no modification to the mating components.
An E-ring is a small external retaining ring that snaps into a machined groove on a shaft or pin to hold a component in its axial position. The open side of the ring faces outward, allowing it to be pressed into the groove without a through-hole in the shaft. When the ring is properly seated, it prevents lateral movement of the retained part, keeping assemblies correctly positioned during operation. A missing or deformed E-ring allows the retained component to walk along the shaft, which can lead to misalignment, accelerated wear, or loss of function in the assembly it secures.
Part Details
| Part Number | 90603-Z7E-000 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | E-Ring (7mm) |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Generator | EB3800, EB5000, EB6500, EM3800, EM5000, EM6500 | All |
| Horizontal Shaft Engine | GX390 | 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.
