The Wacker Neuson 5100043997 Cap is a genuine OEM component designed for the GP6600A, GP3800A, and GP5600A portable generators. Sourced directly from Wacker Neuson, this is the same cap specified for these machines at the factory, ensuring an exact match to the original. It is confirmed compatible across the GP6600A, GP3800A, and GP5600A generator models, making it a straightforward service replacement for any of these units. Keep part number 5100043997 on hand to avoid unnecessary downtime during routine maintenance or repair.
Key Features
- Genuine OEM Integrity — Manufactured to Wacker Neuson's exact material and dimensional specifications for this cap application, so fit and function match the original component precisely.
- Direct Drop-In Replacement — Seats and seals exactly as the original, with no trimming or modification needed during installation.
- Broad Generator Compatibility — Verified fitment across the GP6600A, GP3800A, and GP5600A portable generator models.
- Protects Internal Components — A properly seating cap keeps contaminants, moisture, and debris out of the port or reservoir it covers, preserving the integrity of the system it serves.
- Sealing and Retention Performance — A worn or missing cap can allow fluid loss, pressure drop, or contamination; replacing it promptly restores correct operating conditions.
A cap serves as a closure and protective cover for a port, reservoir, or fitting on the generator. Its role is to maintain a sealed environment, preventing fluid leakage and keeping contaminants from entering the system. When a cap is cracked, missing, or no longer seating correctly, it can lead to fluid loss or internal contamination that compromises generator performance and longevity.
Part Details
| Part Number | 5100043997 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Cap |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| GP6600A | GP6600A | 5100042220 |
| 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.
