The Wacker Neuson 5200019894 Cap is a genuine OEM component designed for APT4T and APT4S series submersible pumps. As a direct factory replacement, this cap is manufactured to the same specifications as the original part, ensuring a proper fit across the APT4T and APT4S model lines, including Cold Weather, Surge Brake, and Electric Brake configurations. Sourcing the correct OEM cap keeps your pump assembly properly sealed and operating as intended, whether you're running a standard APT4S with skid or an APT4T Cold Weather unit.
Key Features
- Genuine OEM Sealing Integrity — Manufactured to Wacker Neuson's original material and dimensional spec, so the cap seats and seals the way it was designed to from day one.
- Drop-In Replacement — Matches the original mounting interface on APT4T and APT4S pump assemblies, threading or seating in place without alteration.
- Broad APT Series Fitment — Confirmed for APT4T (Surge Brake, Electric Brake, and Cold Weather variants) and APT4S (standard and Cold Weather with skid configurations).
- Protects Internal Pump Components — A damaged or missing cap exposes internal passages and connections to contamination, which can accelerate wear and compromise pump output.
- Maintains Fluid and Pressure Integrity — Correct cap fit is critical in pump applications where maintaining a sealed system directly affects suction and discharge performance.
The cap on a submersible pump serves as a protective and sealing component, closing off a port, passage, or connection point within the pump assembly. When the cap is cracked, missing, or improperly fitted, it can allow moisture, debris, or air intrusion into areas that must remain sealed, leading to reduced pump efficiency, internal corrosion, or electrical issues in brake-equipped configurations. Replacing a worn or damaged cap promptly keeps the pump assembly intact and performing to spec.
Part Details
| Part Number | 5200019894 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Cap |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| APT4T Pump, Electric Brake, Cold Weather | APT4T CW | 5200019793, 5200019792 |
| APT4S Pump w/Skid, Cold Weather | APT4S CW | 5200019798 |
| APT4T Pump, Surge Brake | APT4T | 5200019643, 5200019644 |
| APT4S Pump w/Skid | APT4S | 5200018977 |
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.
