The Wacker Neuson Cylinder Head is a genuine OEM Cylinder Head designed for the GPi4300 and GPSi4300 Portable Inverter Generator series. As a direct OEM replacement sourced from Wacker Neuson, part is manufactured to the same exacting standards as the original component your machine was built with. This Cylinder Head is confirmed to fit both the GPi4300 and GPSi4300 inverter generator models, giving you confidence that you're ordering the correct part the first time. Whether you're completing a scheduled top-end service or addressing a failure, this genuine part ensures your generator is restored to proper operating condition.
Key Features
- Genuine OEM Casting and Tolerances — Manufactured by Wacker Neuson to original combustion chamber specifications, ensuring correct compression ratio and sealing surface integrity for this engine family.
- Direct Drop-In Replacement — Matches original port locations, valve seat geometry, and fastener patterns so it installs directly onto the engine block without modification.
- Confirmed Fitment for GPi4300 and GPSi4300 Models — Verified compatibility across multiple configurations of the GPi4300 and GPSi4300 Portable Inverter Generator lineup.
- Restores Full Engine Output — A correctly seated Cylinder Head maintains proper combustion pressure, allowing the generator to deliver its rated power output consistently under load.
- Critical Sealing Component — The Cylinder Head forms the primary combustion seal; a warped, cracked, or worn head causes compression loss, overheating, and potential engine damage if left unaddressed.
The Cylinder Head is the structural cap of the engine's combustion chamber, sealing the top of the cylinder and housing the valves that control airflow in and out of the engine. It works in combination with the head gasket and engine block to contain the pressure generated during combustion, which is what drives the piston and ultimately produces electrical output in a generator. When a Cylinder Head cracks, warps from overheating, or develops a compromised sealing surface, the engine loses compression, runs poorly, overheats, or may fail to start — making prompt replacement with a correctly specified part essential to restoring full machine function.
Part Details
| Part Number | 5000226112 |
|---|---|
| Old Part Number | 0226112 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Cylinder Head |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| GPi4300 | GPi4300 | 5000620962, 5000620782, 5000620784 |
| GPSi4300 | GPSi4300 | 5000620963, 5000620783, 5000620937 |
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.
