The Wacker Neuson 5100042561 Crankcase Cover is a genuine OEM component designed for the GP3800A portable generator. Sourced directly from Wacker Neuson, this crankcase cover meets the exact specifications of the original part fitted at the factory. It is confirmed compatible with the GP3800A generator, making it a direct-fit solution for engine maintenance and repair. When your crankcase cover is cracked, warped, or leaking, this OEM replacement restores proper engine sealing and gets your generator back to full operation.
Key Features
- Genuine OEM Sealing Integrity — Manufactured to Wacker Neuson's exact material and dimensional tolerances, ensuring the crankcase cover forms a proper, leak-free seal against the engine block.
- Direct-Fit Replacement — Matches the original mounting pattern and gasket surface of the GP3800A engine, dropping into place without modification.
- Confirmed GP3800A Compatibility — Verified fitment for the Wacker Neuson GP3800A portable generator series.
- Engine Protection — A properly seated crankcase cover keeps oil contained and contaminants out, protecting internal engine components from premature wear.
- Fuel System and Oil Safety — A failed or cracked crankcase cover can result in oil loss and potential fire hazard near hot engine surfaces; replacing it promptly maintains safe generator operation.
The crankcase cover encloses one side of the engine's crankcase, sealing in engine oil and protecting the crankshaft, connecting rod, and internal engine components from dirt, debris, and moisture. It works in conjunction with a gasket or sealant to maintain a pressure-tight closure that prevents oil leaks during operation. When the cover cracks, warps, or its sealing surface becomes damaged, oil loss follows quickly — leading to lubrication failure and potential engine seizure if left unaddressed.
Part Details
| Part Number | 5100042561 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Crankcase Cover |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| GP3800A | GP3800A | 5100041978 |
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.