The Wacker Neuson Plug Threaded is a genuine OEM component designed for the APT4S and APT4T series pumps, including standard, surge brake, electric brake, and cold weather configurations. As a factory-sourced part, the is manufactured to the exact specification of the original, ensuring a proper thread engagement and a leak-free seal every time. This plug fits across the full APT4S and APT4T pump lineup, covering both skid-mounted and cold weather variants. When you need a direct OEM replacement you can trust, the Wacker Neuson Plug Threaded delivers.
Key Features
- OEM Thread Specification: — Machined to the exact thread pitch and diameter of the original, so it seats fully and seals without leakage or cross-threading.
- Drop-In Installation: — Threads directly into the original port with no rework, chasing, or additional hardware needed.
- Broad APT Series Coverage: — Fits APT4S (with skid) and APT4T (surge brake, electric brake) pumps in both standard and cold weather configurations.
- Leak-Free Fluid Containment: — A properly seated threaded plug maintains system pressure and prevents fluid loss that could lead to pump damage or unplanned service.
- Genuine Wacker Neuson OEM Part: — Sourced directly from Wacker Neuson, carrying the same part number used in original production assemblies.
A threaded plug is used to seal an unused or service port on a pump housing, keeping fluid contained within the system and preventing contamination from entering. On water and sewage pumps like the APT series, maintaining a properly sealed housing is critical — a missing or damaged plug can allow fluid to escape or debris to enter, compromising pump performance and potentially damaging internal components. Replacing a worn, stripped, or missing plug restores the integrity of the housing and keeps the pump operating as designed.
Part Details
| Part Number | 5200019876 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Plug Threaded |
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.
