The Wacker Neuson Inner Spring of Valve is a genuine OEM component designed for the GDS5500G generator series. Sourced directly from Wacker Neuson, this part meets the exact engineering requirements of the original build, ensuring the valve assembly operates exactly as intended. Compatible with both the GDS5500G (No-CE) and GDS5500G LA configurations, the is a direct drop-in replacement that restores proper valve function without guesswork.
Key Features
- OEM Spring Tension Integrity — Manufactured to the original compression and return-force specifications, so the valve opens and closes at precisely the right pressure every time.
- Direct Drop-In Replacement — Engineered to seat and install identically to the original, fitting the valve assembly in GDS5500G units without any adjustment or reworking of surrounding components.
- GDS5500G Series Compatibility — Confirmed fitment for GDS5500G (No-CE) and GDS5500G LA generator configurations.
- Consistent Valve Cycling — A correctly tensioned inner spring maintains steady, repeatable valve actuation, supporting stable engine operation and consistent power output under load.
- Genuine Wacker Neuson Part — Backed by Wacker Neuson's OEM manufacturing standards, so you know the part leaving the box matches what was installed at the factory.
The inner spring of the valve is a small but critical component within the engine's valve assembly. It provides the return force that closes the valve after each actuation cycle, keeping the intake and exhaust timing consistent with the engine's design. When this spring weakens, loses tension, or breaks, the valve may fail to close fully or at the correct moment — leading to loss of compression, rough running, reduced power output, or difficulty starting. Replacing a worn inner spring of valve restores the precise mechanical rhythm the engine depends on to run efficiently.
Part Details
| Part Number | 5100084421 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Inner Spring of Valve |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| GDS5500G | GDS5500G (No-CE) | 5100079460 |
| GDS5500G | GDS5500G LA | 5100079461 |
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.