The Wacker Neuson Water Pipe is a genuine OEM component designed for the APT4S and APT4T series pumps, including standard, surge brake, electric brake, and cold weather configurations. As a factory-sourced part, it meets the exact specifications of the original component fitted at the time of manufacture. This water pipe is confirmed to fit the full APT4S and APT4T lineup, covering both skid-mounted and cold weather variants. Ordering by part number ensures you receive the correct piece for your specific machine configuration.
Key Features
- OEM-Grade Flow Integrity — Manufactured to the original bore dimensions and material spec, ensuring consistent water flow and leak-free connections in pump operation.
- Direct Drop-In Replacement — Matches the original routing and end fittings, connecting into the existing water circuit without rework or adaptation.
- Broad APT Series Coverage — Fits APT4S (with skid) and APT4T (surge brake and electric brake) models, including all cold weather variants across both series.
- Protects Pump Performance — A sound water pipe maintains proper coolant or priming water flow; a cracked or failed pipe can cause overheating, cavitation, or pump seizure.
- Genuine Wacker Neuson Part — Sourced directly through authorized Wacker Neuson supply channels, carrying the full OEM part number 5200020127 for confident fitment verification.
The water pipe routes water through key sections of the pump assembly, maintaining the flow needed for priming, cooling, or discharge depending on the pump's operating stage. Without a correctly functioning water pipe, flow restriction or leakage can starve the pump of the fluid it needs, leading to loss of prime, reduced output pressure, or internal damage over time. Replacing a worn or cracked pipe promptly keeps the pump operating at its rated capacity and prevents more costly downstream failures.
Part Details
| Part Number | 5200020127 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Water Pipe |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| APT4S Pump w/Skid | APT4S | 5200018977 |
| APT4T Pump, Surge Brake | APT4T | 5200019643, 5200019644 |
| APT4T Pump, Surge Brake, Cold Weather | APT4T CW | 5200019792, 5200019793 |
| APT4S Pump w/Skid, Cold Weather | APT4S CW | 5200019798 |
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.