The Wacker Neuson Valve is a genuine OEM component designed for the APT8S and APT8T series water pumps, including standard, surge brake, electric brake, and cold weather configurations. As a direct OEM replacement, this valve is sourced from Wacker Neuson and built to the same specifications as the original part installed at the factory. It fits across the full APT8S and APT8T lineup, covering both skid-mounted and trailer-mounted pump variants. When you order by part number, you can be confident you're getting the correct valve for your machine.
Key Features
- Genuine OEM Flow Control Integrity — Manufactured to Wacker Neuson's original flow and pressure specifications, ensuring the valve opens, closes, and seals exactly as the pump system demands.
- Drop-In Installation — Matches the original valve's port dimensions and connection points, allowing straightforward installation with no machining or adapting.
- Broad APT Series Coverage — Fits the APT8S Pump with Skid, APT8T Pump with Surge Brake, APT8T Pump with Electric Brake, and all corresponding Cold Weather variants.
- Sustained Pump Output — A properly functioning valve maintains consistent flow regulation across the pump circuit; a faulty valve can cause pressure loss, backflow, or erratic pump behavior.
- Fluid System Safety — In pump applications, a correctly seated valve prevents uncontrolled fluid discharge and protects connected hydraulic or water circuits from pressure spikes.
A valve controls the start, stop, or direction of fluid moving through a pump system. In water pump applications like the APT8S and APT8T series, the valve manages flow through the pump circuit and helps maintain stable operating pressure. When a valve wears, cracks, or fails to seat properly, the result is loss of pressure, reduced output, or fluid leaking past the seal — all of which compromise the pump's ability to move water effectively and safely.
Part Details
| Part Number | 5200021762 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Valve |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| APT8S Pump w/Skid | APT8S | 5200018987 |
| APT8T Pump, Surge Brake | APT8T | 5200019648, 5200019649 |
| APT8T Pump, Surge Brake, Cold Weather | APT8T CW | 5200019796, 5200019797 |
| APT8S Pump w/Skid, Cold Weather | APT8S CW | 5200019800 |
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.
