The Wacker Neuson Water Separator is a genuine OEM component designed for PT6Y and PT6YT series self-priming centrifugal trash pumps. Sourced directly from Wacker Neuson, this part meets the exact specifications of the original unit installed at the factory. Compatible across multiple PT6Y and PT6YT configurations including EPA Tier 4 variants, the is the correct replacement when the fuel system requires servicing on these high-output 6-inch trash pumps.
Key Features
- Genuine OEM Fuel System Integrity — manufactured to Wacker Neuson's exact material and filtration specifications, ensuring consistent water separation performance in diesel fuel delivery to the engine.
- Direct-Fit Replacement — designed to install in the same mounting position and connection points as the original separator, with no adaptation needed to the fuel line circuit.
- Broad PT6Y and PT6YT Compatibility — verified fitment across PT6Y, PT6Y EPA Tier 4, PT6YT, PT6Y-SA, PT6Y-AU, and PT6YT-IN pump configurations.
- Protects Engine and Fuel System Components — a functioning water separator prevents water-contaminated fuel from reaching the injectors and fuel pump, helping avoid costly downstream engine damage.
- Fuel System Safety Compliance — replacing a degraded or cracked separator restores proper fuel circuit containment, reducing the risk of fuel leaks around the engine housing on high-demand pump applications.
A water separator is a critical component in the diesel fuel supply circuit of a trash pump engine. Its job is to capture and hold water that has entered the fuel supply before that contaminated fuel reaches the fuel injection system. Water in diesel fuel accelerates injector wear, causes rough running, and can lead to hard-start or no-start conditions in the field. When the separator bowl cracks, the element becomes saturated, or the sealing surfaces degrade, water passes through unchecked — making timely replacement essential to keeping the engine running cleanly and efficiently.
Part Details
| Part Number | 1000159923 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Water Separator |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PT6YT | PT6YT-IN | 5100077923 |
| PT6Y | PT6Y-SA | 5100070835 |
| PT6YT | PT6YT | 5100070966 |
| PUMP PT6Y-AU | PT6Y-AU | 5100076956 |
| PT6Y | PT6Y | 5100064168, 5100069617 |
| PT6Y | PT6Y EPA T4 | 5100073464 |
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.