The Wacker Neuson Solenoid is a genuine OEM Solenoid designed for the APT4S and APT4T pump series, including standard, cold weather, surge brake, and electric brake configurations. As a direct OEM replacement, this part is manufactured to the same specification as the original, ensuring proper electrical function and compatibility right out of the box. It fits across the full range of APT4S and APT4T models, covering both skid-mounted and cold weather variants. Keep your pump running as intended by replacing a worn or failed solenoid with the correct Wacker Neuson part.
Key Features
- Correct Electrical Specification — Manufactured to OEM resistance and output ratings, ensuring the solenoid operates within the designed parameters of your pump's control circuit.
- Drop-In Connector Compatibility — Matches the original mounting and wiring interface, allowing straightforward installation without modification to existing harnesses or brackets.
- Broad APT Series Coverage — Compatible with APT4S and APT4T pump models, including surge brake, electric brake, skid-mounted, and cold weather variants.
- Protects Pump Operation — A properly functioning solenoid ensures accurate flow control and system response; a failed unit can cause the pump to run uncontrolled or fail to engage correctly.
- Electrical Safety Assurance — As a critical electrical control component, using a genuine OEM solenoid guards against incorrect switching behavior that could compromise the pump's brake or shutoff systems.
A solenoid is an electromechanical valve that controls the flow of fluid or the actuation of a mechanical function by converting an electrical signal into physical movement. In pump applications like the APT4S and APT4T series, the solenoid plays a key role in managing system functions such as braking engagement and operational control. When a solenoid fails — through worn contacts, coil burnout, or mechanical seizure — the pump may lose the ability to respond correctly to control inputs, leading to unsafe or non-functional operation.
Part Details
| Part Number | 5200020194 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Solenoid |
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.
