The Wacker Neuson Plug is a genuine OEM Plug designed for the APT4S and APT4T pump series, including standard, cold weather, surge brake, and electric brake configurations. As a direct OEM replacement, this plug is sourced from Wacker Neuson and built to the same specification as the original component installed at the factory. Confirmed fitment spans the full APT4S and APT4T lineup, giving you confidence that is the right part before it ships.
Key Features
- OEM-Spec Sealing Integrity — Manufactured to Wacker Neuson's original material and dimensional tolerances, ensuring the plug seats and seals exactly as the original.
- Drop-In Replacement — Installs directly into the same port or fitting as the factory plug — no reworking of threads or mounting points required.
- Broad APT Pump Compatibility — Fits the APT4S (with skid) and APT4T (surge brake and electric brake) pump models, including all cold weather variants.
- Prevents Fluid Loss and Contamination — A correctly functioning plug maintains system pressure and keeps debris out of ports; a damaged or missing plug risks fluid loss, pump inefficiency, and costly downstream damage.
- Fluid System Integrity — On pump and hydraulic circuit applications, a properly rated plug is essential for maintaining safe operating pressure and preventing unintended discharge at service ports.
A plug serves as a closure fitting within a pump's fluid circuit or service port, blocking off openings that are not in active use during operation. It maintains system pressure, prevents fluid from escaping, and keeps contaminants from entering internal passages. When a plug fails, cracks, or is lost during service, the result can be pressure loss, fluid leakage, or contamination that degrades pump performance and accelerates wear on internal components.
Part Details
| Part Number | 5200019896 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Plug |
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.
