The Wacker Neuson Plug is a genuine OEM Plug designed for the APT4S and APT4T series transfer pumps, including Cold Weather variants. As a direct OEM part, it is manufactured to the same specification as the original component installed at the factory, ensuring a consistent, trouble-free fit across all compatible configurations. This includes surge brake, electric brake, and skid-mounted variants of both the APT4S and APT4T pump lines. When it's time to replace this component, sourcing the genuine Wacker Neuson means no guesswork on compatibility.
Key Features
- Genuine OEM Sealing Integrity — Manufactured to Wacker Neuson's original material and dimensional spec, ensuring the plug seats and seals correctly without leaks or pressure loss.
- Direct Drop-In Replacement — Threads and dimensions match the original port exactly, so installation is straightforward with no reworking of fittings or housings.
- Broad APT Series Compatibility — Fits APT4S and APT4T pump models across surge brake, electric brake, skid-mounted, and Cold Weather configurations.
- Port Protection When Not in Use — Keeps fluid ports sealed against contamination, preventing debris ingress that can damage internal pump components or compromise fluid integrity.
- Verified Part Number Fit — Part number 5200020140 cross-references directly to all listed APT4S and APT4T model and machine numbers, giving you confidence before you order.
A plug serves as a sealed closure for an unused or temporarily inactive fluid port on a pump or hydraulic system. Its primary role is to block that opening against dirt, moisture, and debris while maintaining system pressure integrity. When a plug is missing, damaged, or improperly seated, contaminants can enter the pump housing, leading to accelerated wear on internal components or fluid contamination that degrades overall pump performance.
Part Details
| Part Number | 5200020140 |
|---|---|
| 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.
