The Honda 11100-Z6L-811 Crankcase Assembly is a genuine OEM component built for GX630, GX660, and GX690 horizontal shaft engines. As a direct Honda OEM part, it is manufactured to the same standards as the original, ensuring correct bore geometry, bearing bore alignment, and gasket-surface integrity straight out of the box. This Crankcase Assembly is confirmed for GX630, GX660, and GX690 engines — verify your engine's serial number against the fitment table before ordering, as Honda supersedes parts at serial breaks and the correct assembly depends on your specific build.
Key Features
- Genuine Honda OEM Construction — sourced directly from Honda, this Crankcase Assembly matches the original in bore dimensions, bearing bore alignment, and sealing surface finish — critical factors for a large-displacement horizontal shaft engine.
- Complete Assembly — supplied as a full crankcase assembly, minimizing the number of individual components needed and simplifying a major engine rebuild or replacement job.
- Confirmed Fitment for GX630, GX660, and GX690 Engines — designed specifically for Honda's large-displacement horizontal shaft engine family; cross-reference part number 11100-Z6L-811 and your engine serial number against the fitment table to confirm the correct part for your unit.
- Serial Number Verification Matters — Honda issues crankcase revisions at defined serial breaks; always confirm your engine's serial number against the compatibility table to ensure this assembly is the right match for your engine.
- Foundation for Proper Engine Operation — a correctly dimensioned crankcase keeps the crankshaft, camshaft, and internal components in precise alignment; a cracked, warped, or worn crankcase leads to oil leaks, bearing failure, and loss of compression.
The crankcase is the structural core of the engine — it houses the crankshaft, camshaft bearings, and the lower end of the cylinder bore, and it forms the sealed chamber that contains the engine oil. On large-displacement GX630, GX660, and GX690 horizontal shaft engines, the crankcase must maintain exact bore-to-bore alignment to keep the rotating assembly running true and the oil system sealed. When a crankcase is cracked, warped at the gasket surface, or worn beyond tolerance at the bearing bores, the result is oil loss, accelerated bearing wear, and ultimately internal engine damage. Replacing it with a genuine Honda Crankcase Assembly restores the structural integrity the engine depends on for long-term operation.
Part Details
| Part Number | 11100-Z6L-811 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Crankcase Assembly |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Horizontal Shaft Engine | GX630, GX660, GX690 | 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.
