The Honda 11300-ZL8-630 Crankcase Cover Assembly is a genuine OEM component designed for WN20 and WN30 water pumps. As a direct Honda OEM part, it is manufactured to the same standards as the original, ensuring a proper fit with no guesswork on installation. This assembly is confirmed for WN20 and WN30 water pumps — verify your unit's serial number against the fitment table to confirm this is the correct part for your machine, as Honda does supersede parts at serial breaks.
Key Features
- Genuine Honda OEM — sourced directly from Honda, this Crankcase Cover Assembly matches the original specification for the WN20 and WN30 water pumps, ensuring a proper seal and correct alignment with mating engine components.
- Direct OEM Replacement — designed as a drop-in replacement for the original cover, this assembly installs as the factory unit did, without reworking the surrounding components.
- Confirmed Fitment — built specifically for WN20 and WN30 water pumps; always cross-reference your serial number with the fitment table before ordering, as Honda issues supersessions at production breaks.
- Crankcase Integrity — a sound crankcase cover keeps oil in and contaminants out; a cracked, warped, or leaking cover compromises lubrication and can lead to rapid internal wear.
The crankcase cover encloses and seals one side of the engine's crankcase, retaining the engine oil that lubricates the crankshaft, connecting rod, and other lower-end components. It works together with the crankcase body and a gasket to form a sealed oil reservoir around the rotating assembly. When the cover cracks, warps, or develops a failed seal, oil escapes, lubrication drops, and internal engine damage follows quickly — making prompt replacement with a correctly fitting OEM part essential to keeping the pump running.
Part Details
| Part Number | 11300-ZL8-630 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Crankcase Cover Assembly |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Water Pump | WN20, WN30 | 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.
