The Wacker Neuson 5100043866 Cap is a genuine OEM component designed for the GP and GPS series portable generators, including the GP2500A, GP3800A, GP5600A, GP6600A, and GPS9700A. Sourced directly from Wacker Neuson, this cap is the exact part specified for these units at the time of manufacture. It installs directly in place of the original with no adaptation needed, ensuring a proper, secure fit every time.
Key Features
- Genuine OEM Construction — Manufactured to the exact material grade and dimensional tolerances specified for the original cap, ensuring it seats and seals correctly on the generator housing.
- Direct Drop-In Replacement — Matches the original mounting configuration on GP and GPS series generators, allowing for straightforward swaps during routine service or repair.
- Broad Generator Fitment — Compatible with the GP2500A, GP3800A, GP5600A, GP6600A, and GPS9700A Wacker Neuson portable generators, covering a wide range of the GP series lineup.
- Protects Internal Components — A correctly fitted cap keeps contaminants, moisture, and debris from entering critical generator openings, helping maintain consistent output and extend service intervals.
- Verified Part Number — Part number 5100043866 cross-references directly against the GP and GPS series parts documentation, so you can order with confidence.
A cap on a portable generator serves as a protective cover for a designated port, reservoir, or access point on the unit. When properly in place, it prevents dust, water, and debris from entering areas that could compromise generator performance or cause internal wear. A missing, cracked, or improperly fitted cap can lead to contamination of fluids or sensitive components, resulting in degraded output or premature mechanical issues. Replacing a damaged cap promptly is a simple but important step in routine generator maintenance.
Part Details
| Part Number | 5100043866 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Cap |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| GP6600A | GP6600A | 5100042220 |
| GP2500A | GP2500A | 5100041977 |
| GPS9700A | GPS9700A | 5100042221 |
| GP3800A | GP3800A | 5100041978 |
| GP5600A | GP5600A | 5100041979 |
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.