The Honda 11100-Z6L-820 Crankcase Assembly is a genuine OEM Crankcase Assembly designed for GX630, GX660, and GX690 horizontal shaft engines. As an authentic Honda part, it delivers the exact dimensions and tolerances Honda engineers specified for this engine family. This assembly is confirmed fitment for GX630, GX660, and GX690 engines — verify your engine's serial number against the fitment table before ordering, as Honda supersedes components at serial breaks within the same model line.
Key Features
- Genuine OEM Structural Integrity — machined and finished to Honda's original specifications, ensuring the bearing bores, oil galleries, and sealing surfaces align exactly as the engine requires
- Direct OEM Replacement — designed as a drop-in assembly for GX630, GX660, and GX690 horizontal shaft engines, preserving the original engine geometry without additional machining or modification
- Serial Number Verification Recommended — Honda updates crankcase assemblies at defined serial breaks; confirm your engine's serial number against the fitment table to ensure this is the correct assembly for your unit
- Foundation of Engine Performance — a correctly fitted crankcase maintains proper bearing alignment and oil pressure throughout the engine; a cracked, warped, or worn case leads to rapid internal wear and oil loss
The crankcase is the structural core of the engine — it houses the crankshaft bearings, forms the lower half of the cylinder block, and contains the lubrication passages that deliver oil to the engine's moving parts. Every major internal component, from the crankshaft and camshaft to the connecting rod and bearings, depends on the crankcase to hold precise alignment under load. When the crankcase is cracked, porous, or dimensionally compromised, oil pressure drops, bearing surfaces wear unevenly, and internal damage follows quickly. Replacing it with a genuine Honda assembly restores the structural foundation the rest of the engine relies on.
Part Details
| Part Number | 11100-Z6L-820 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Crankcase Assembly |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Horizontal Shaft Engine | GX630, GX660, GX690 | 1000001-1025195 |
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.
