The Wacker Neuson Relief Valve is a genuine OEM component designed for the G40, G50, G95, and G110 series portable generators. Sourced directly from Wacker Neuson, this part meets the exact specifications of the original component installed at the factory. Verified fitment spans multiple generator configurations including standard, mobile, and premium variants across the G-series lineup. Order with confidence knowing you're receiving the correct part for your machine.
Key Features
- Genuine OEM Pressure Regulation Spec — Manufactured to the exact pressure threshold required for proper hydraulic or fluid circuit relief in Wacker Neuson G-series generators, ensuring the valve opens and closes at the correct set point.
- Direct Drop-In Installation — Matches the original port threading, body dimensions, and connection type for a straightforward swap without additional hardware or modification.
- Broad G-Series Compatibility — Confirmed fitment across G40, G50, G95, and G110 generator models, covering standard, mobile, and premium configurations including 50Hz and LATAM variants.
- Protects Circuit Integrity Under Load — A properly functioning relief valve prevents over-pressurization in the fluid circuit, protecting downstream components and keeping the generator running at stable output levels.
- Fuel and Fluid System Safety — Relief valves are a critical safety component in pressurized circuits; using a genuine OEM part ensures the correct cracking pressure is maintained, preventing unsafe pressure buildup during operation.
A relief valve regulates pressure within a fluid or fuel circuit by opening at a preset threshold to divert excess flow, then closing again once pressure returns to a safe level. In a portable generator, this valve protects the engine and associated systems from damaging over-pressurization during operation. When the relief valve fails — either sticking open or failing to open at the correct pressure — the engine can experience poor performance, fluid loss, or component damage from unchecked pressure spikes.
Part Details
| Part Number | 5200021266 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Relief Valve |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Mobile Generator | G95 | 5200020677, 5100029186, 5200016642 |
| Generator | G40 | 5200015906, 5200015907, 5200016640 |
| Generator | G50 | 5200015909 |
| G110 Generator, Brazil, Value | G110 | 5100022042, 5100022043 |
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.
