The Wacker Neuson Water Pipe is a genuine OEM component designed for the APT4S and APT4T pump series, including standard and cold weather configurations. As a factory-sourced part, is manufactured to the same specifications as the original, ensuring a direct, hassle-free installation. This water pipe fits across the full APT4S and APT4T lineup — covering surge brake, electric brake, skid-mounted, and cold weather variants — making it the go-to replacement for a wide range of Wacker Neuson pump setups.
Key Features
- OEM-Grade Flow Path Integrity — Manufactured to original tolerances, this water pipe maintains consistent internal diameter and connection geometry for uninterrupted coolant or water flow.
- Direct-Fit Installation — Engineered to match original port sizing and mounting points, the 5200020085 drops into place without cutting, adapting, or forcing connections.
- Broad APT Series Coverage — Compatible with APT4S (standard and skid) and APT4T (surge brake, electric brake, and cold weather) pump models, covering the full Wacker Neuson APT4 pump family.
- Leak-Free Operation — A correctly seated water pipe prevents coolant loss and flow restriction that can lead to pump overheating and premature component wear.
- Cold Weather Variant Compatible — Verified fitment extends to APT4S CW and APT4T CW cold weather models, so the same part covers your year-round fleet.
The water pipe routes coolant or water through the pump system, keeping internal components operating within safe temperature ranges during continuous use. A cracked, corroded, or poorly fitted water pipe restricts flow and can cause the pump to run hot, leading to seal failure and accelerated wear on surrounding components. Replacing a damaged pipe promptly with a genuine OEM part restores proper flow and protects the rest of the pump assembly.
Part Details
| Part Number | 5200020085 |
|---|---|
| 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.
