The Wacker Neuson Rotator Valve Cap is a genuine OEM component designed for the GS and GB generator series, including the GS6000G, GS6503G, GS8003G, GS10003G, and GB6000G models. As a direct OEM part, it is manufactured to the same specifications as the original component installed at the factory, ensuring a proper fit across all covered configurations — including CE, LA, CN, and No-CE variants. Whether you are servicing a light construction generator on a commercial site or completing a scheduled maintenance overhaul, the delivers the correct fit with no guesswork. Verify your model number against the fitment list before ordering to confirm compatibility.
Key Features
- Genuine OEM Sealing Integrity — Manufactured to exact Wacker Neuson tolerances, ensuring the cap seats and seals correctly on the rotator valve without leakage or pressure loss.
- Direct Drop-In Replacement — Engineered to match the original mounting interface of the rotator valve assembly, allowing straightforward installation during service or repair.
- Broad Generator Series Coverage — Compatible with GB6000G, GS6000G, GS6503G, GS6500G, GS8003G, GS8000G, and GS10003G generators across CE, LA, CN, and No-CE configurations.
- Protects Valve Function Under Load — A correctly fitted cap keeps the rotator valve operating as intended; a worn or missing cap can allow contamination ingress or cause erratic valve behavior affecting generator output.
- Fuel System Integrity — Proper capping of the rotator valve supports correct fuel circuit operation, making this a relevant safety-conscious replacement in any generator fuel system service.
The rotator valve cap seals and protects the rotator valve within the generator's fuel or fluid circuit, preventing contamination from entering the valve body and maintaining correct pressure conditions during operation. When the cap is cracked, missing, or improperly seated, the valve becomes vulnerable to debris ingress and pressure irregularities that can disrupt fuel delivery and affect engine performance. Replacing a damaged cap promptly with a genuine OEM part like the 5000408605 restores the integrity of the valve assembly and keeps the generator running as designed.
Part Details
| Part Number | 5000408605 |
|---|---|
| Old Part Number | 0408605 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Rotator Valve Cap |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| GB6000G | GB6000G CE | 5100079447 |
| GS6000G | GS6000G CE | 5100079452 |
| GS6000G | GS6000G LA | 5100079453 |
| GS6503G | GS6503G CE | 5100079454 |
| GS6500G | GS6500G LA | 5100079455 |
| GS8003G | GS8003G CE | 5100079456 |
| GS8000G | GS8000G LA | 5100079457 |
| GS10003G | GS10003G (No-CE) | 5100079458 |
| GS6000G | GS6000G CN | 5100079598 |
| GS8003G | GS8003G CN | 5100079599 |
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.