The Honda 12311-Z2A-000 Cylinder Head Cover is a genuine OEM replacement designed for GSV190 vertical shaft engines and HRC216 lawn mowers. As a direct Honda OEM component, this cover is manufactured to the same specification as the part that left the factory, ensuring an exact match in fit and form. Honda supersedes parts at serial number breaks, so verify your machine's serial number against the fitment table before ordering to confirm this is the correct cover for your unit.
Key Features
- Genuine Honda OEM — sourced directly from Honda, this Cylinder Head Cover carries the same dimensions and material profile as the original, with no guesswork on fit
- Proper Seal Retention — a correctly fitted cylinder head cover maintains the oil-tight barrier over the valvetrain, preventing leaks that would contaminate the work area or starve internal components
- Broad Fitment — covers GSV190 vertical shaft engines and HRC216 commercial lawn mowers; check your serial number against the fitment table to confirm applicability to your specific unit
- Direct Drop-In Replacement — matches the original mounting points and profile on compatible Honda units, so installation follows the standard service procedure without modifications
The cylinder head cover sits over the top of the engine's valvetrain, enclosing the rocker arms and related components while keeping oil contained within the upper engine assembly. It forms a sealed boundary that protects the valve mechanism from dirt and debris while preventing oil from escaping during operation. When this cover cracks, warps, or develops a failed gasket interface, oil weeps from the top of the engine — a condition that, left unaddressed, leads to low oil levels and accelerated internal wear.
Part Details
| Part Number | 12311-Z2A-000 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Cylinder Head Cover |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Lawn Mower | HRC216 | All |
| Vertical Shaft Engine | GSV190 | 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.
