The Honda 91003-ZG3-000 Ring Set (90MM) is a genuine OEM component designed for the GD410 horizontal shaft diesel engine. Sourced directly from Honda, this ring set carries the exact dimensions and tolerances Honda specifies for the GD410, making it the right choice when your engine requires a top-end rebuild or bore service. Always verify your engine's serial number against the fitment table before ordering, as Honda supersedes parts at serial breaks and this listing may cover a specific production range.
Key Features
- Genuine OEM Bore Sealing — manufactured to Honda's exact 90MM specification, ensuring the compression and oil-control rings seat correctly within the cylinder bore of the GD410 diesel engine
- Direct Replacement — this ring set installs as a drop-in replacement during a piston or cylinder service, with no dimensional guesswork on ring gap or groove fit
- Diesel-Specific Design — the GD410 is a compression-ignition diesel engine with higher cylinder pressures than a comparable petrol engine; the rings in this set are suited to those demands
- Serial Number Verification Recommended — Honda updates part numbers at serial breaks, so confirm your GD410's serial number against the compatibility table to ensure this is the correct set for your unit
Piston rings seal the combustion chamber by bearing against the cylinder wall, keeping compression in and preventing combustion gases from blowing down into the crankcase. They also control engine oil, scraping excess oil back down the bore to maintain the correct film thickness and prevent oil burning. In a diesel engine like the GD410, where cylinder pressures are considerably higher than in a petrol unit, worn or broken rings cause a rapid loss of compression, hard starting, excessive oil consumption, and blue exhaust smoke. Replacing the ring set restores proper sealing, returns compression to specification, and brings oil consumption back under control.
Part Details
| Part Number | 91003-ZG3-000 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Ring Set (90MM) |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Horizontal Shaft Diesel Engine | GD410 | 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.
