The Wacker Neuson Valve is a genuine OEM Valve designed for the APT4S and APT4T pump series, including standard, surge brake, electric brake, and cold weather configurations. As a factory-sourced component, this valve is manufactured to the exact specifications Wacker Neuson requires for proper pump operation across all covered models. Confirm your model number against the fitment list before ordering — this valve covers a wide range of APT4S and APT4T variants, including cold weather editions.
Key Features
- Genuine OEM Flow Control: — Manufactured by Wacker Neuson to the precise pressure and flow tolerances required for proper pump valve operation — not a generic approximation.
- Direct Drop-In Replacement: — Matches the original valve's port geometry and connection points for a straightforward swap with no rework needed.
- Broad APT Series Coverage: — Fits APT4S and APT4T pump models across standard, surge brake, electric brake, and cold weather variants, covering six distinct configurations.
- Protects Pump Performance: — A correctly functioning valve maintains proper fluid control within the pump system; a worn or failed valve can cause pressure loss, erratic flow, or pump damage over time.
- Brake System Compatibility: — Validated for use across both surge brake and electric brake pump configurations, making it a reliable service part for trailer-mounted pump setups where brake system integrity matters.
A valve in a water pump system controls the direction and flow of fluid through the pump's internal passages, opening and closing under pressure to keep water moving efficiently through the circuit. When this valve is functioning correctly, the pump delivers consistent output pressure and flow; if it becomes worn, cracked, or stuck, the pump may lose prime, output pressure can drop, or the unit may fail to move water altogether. Replacing a faulty valve promptly with the correct OEM part restores the pump to its intended operating condition and prevents secondary damage to surrounding components.
Part Details
| Part Number | 5200020228 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Valve |
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.
