The Wacker Neuson Cap is a genuine OEM component designed for the GP3800A, GP3800, GV3800A, and GV3800 series portable generators. As a direct factory replacement, this cap is sourced to the same specification as the original part and integrates seamlessly with the generator assembly it was built for. Wacker Neuson OEM parts carry the full backing of the manufacturer, giving you confidence that the replacement matches the original in material, fit, and function. This part is compatible across a wide range of GP3800 and GV3800 configurations, including standard, premium, value, and wheel-kit variants.
Key Features
- Genuine OEM Construction — Manufactured to the original material and dimensional specification, ensuring the cap seals and seats correctly within the generator assembly.
- Direct-Fit Replacement — Drops into place on GP3800A, GP3800, GV3800A, and GV3800 units without modification, matching the original mounting or seating interface exactly.
- Broad GP/GV3800 Series Coverage — Compatible with standard, premium, value, EPA, CSA, and wheel-kit configurations across the GP3800 and GV3800 generator families.
- Protects Internal Components — A properly seated cap keeps contaminants, moisture, and debris out of the port or reservoir it covers, preserving generator reliability on the job.
- Manufacturer-Verified Part Number — Part number 5000162658 is confirmed against Wacker Neuson's official parts documentation for the GP3800 and GV3800 series.
A cap on a portable generator serves as a protective cover for a specific port, reservoir, or opening within the unit — commonly the fuel filler neck, oil filler point, or a similar access point. Its primary role is to maintain a secure seal that prevents leaks and keeps foreign material from entering the system. When a cap is cracked, missing, or no longer sealing correctly, it can allow fuel or oil to escape, introduce contamination, or cause the machine to run poorly. Replacing a worn or damaged cap promptly keeps the generator operating as intended and protects the components it is designed to seal.
Part Details
| Part Number | 5000162658 |
|---|---|
| Old Part Number | 0162658 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Cap |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Portable Generator | GP3800A | 5000620104, 5000620379, 5000620485, 5000620342, 5000620484, 5000620041, 5000620103, 5000620010, 5100041978 |
| GP3800A Generator, EPA w/Wheel Kit | GP3800 | 5000620976, 5000620974, 5000620975, 5100031174 |
| Value Generator | GV3800A | 5000620409, 5000620287, 5000620334 |
| Value Portable Generator | GV3800 | 5000620994 |
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.
