The Wacker Neuson 5100018603 Water Separator Filter is a genuine OEM component designed for the G625 Generator (Standard T2). As a factory-sourced part, it meets the original design specifications for the G625 fuel system, ensuring a correct, drop-in installation without guesswork. If your machine is showing signs of fuel contamination, rough running, or power inconsistency, replacing this filter with the correct OEM unit is the right first step.
Key Features
- Genuine OEM Filtration Media — manufactured to the exact separation efficiency specified for the G625 fuel system, not a generic approximation.
- Direct-Fit Installation — engineered to match the original mounting and fuel line connections on the G625 Generator, so replacement is straightforward.
- Verified G625 Compatibility — confirmed fitment for the G625 Generator Standard T2 (Tier 2) configuration.
- Protects Fuel System Components — removes free water from diesel fuel before it reaches injectors and the fuel pump, preventing corrosion and premature wear in downstream components.
- Fuel System Safety — water contamination in diesel can cause injector failure and uncontrolled combustion irregularities; a functioning separator filter keeps combustion clean and the generator running as designed.
A water separator filter sits in the diesel fuel supply line and removes free water that enters the tank through condensation or contaminated fuel sources. Water in diesel fuel is a leading cause of injector tip corrosion, fuel pump damage, and combustion instability — all of which can take a generator offline unexpectedly. When the filter becomes saturated or restricted, it can no longer separate water effectively, allowing contaminated fuel to pass through to sensitive fuel system components. Replacing it on schedule with the correct OEM part — Wacker Neuson 5100018603 — keeps the G625 fuel system operating as designed.
Part Details
| Part Number | 5100018603 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Water Separator Filter |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| G625 Generator, Standard T2 | G625 | 5100013899 |
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.