The Wacker Neuson 5200021753 is a genuine OEM Check Valve designed for the APT-series submersible pump lineup. This factory-original component is a direct replacement for standard and Cold Weather configurations across the APT4S, APT4T, APT6S, APT6T, APT8S, and APT8T pump families, covering both Surge Brake and Electric Brake trailer-mounted models as well as skid-mounted variants. As a genuine Wacker Neuson part, the 5200021753 is manufactured to the same specifications as the original component installed at the factory, ensuring a proper fit without modification. Keeping a correctly functioning check valve in service is essential to maintaining pump output and protecting the pump from backflow damage during operation.
Key Features
- Genuine OEM Construction — Manufactured to original design tolerances for correct seating pressure and backflow cutoff — the critical performance characteristics for a check valve in a submersible pump circuit.
- Broad APT-Series Coverage — A single part number covers APT4S, APT4T, APT6S, APT6T, APT8S, and APT8T models in both standard and Cold Weather configurations.
- Surge Brake and Electric Brake Compatibility — Fits trailer-mounted units equipped with either Surge Brake or Electric Brake systems, as well as skid-mounted pump variants.
- Direct Drop-In Replacement — Engineered to install in the original valve position with no rework to fittings or plumbing — swap out the worn valve and return the pump to service.
- Protects Pump Integrity — A functioning check valve prevents backflow from reversing through the pump when it cycles off, reducing wear on internal components and helping sustain consistent discharge pressure.
A check valve is a one-way flow control component that allows fluid to move in only one direction through the pump's discharge circuit. In a submersible pump application, it prevents water from draining back through the pump when the unit shuts down, which protects internal components from reverse-rotation damage and maintains prime for quicker restart. When a check valve fails — due to a worn seat, cracked body, or stuck disc — the pump may lose prime between cycles, deliver inconsistent output pressure, or sustain accelerated wear from repeated backflow exposure.
Part Details
| Part Number | 5200021753 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Check Valve |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| APT6T Pump, Electric Brake | APT6T | 5200019647, 5200019646 |
| APT6S Pump w/Skid | APT6S | 5200018982 |
| APT6T Pump, Electric Brake, Cold Weather | APT6T CW | 5200019795, 5200019794 |
| APT4S Pump w/Skid, Cold Weather | APT4S CW | 5200019798 |
| APT4T Pump, Surge Brake, Cold Weather | APT4T CW | 5200019792, 5200019793 |
| APT4S Pump w/Skid | APT4S | 5200018977 |
| APT6S Pump w/Skid, Cold Weather | APT6S CW | 5200019799 |
| APT4T Pump, Surge Brake | APT4T | 5200019643, 5200019644 |
| APT8T Pump, Surge Brake, Cold Weather | APT8T CW | 5200019796, 5200019797 |
| APT8S Pump w/Skid | APT8S | 5200018987 |
| APT8S Pump w/Skid, Cold Weather | APT8S CW | 5200019800 |
| APT8T Pump, Electric Brake | APT8T | 5200019649, 5200019648 |
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.
