The Wacker Neuson Plug is a genuine OEM component designed for the APT4S and APT4T pump series, including surge brake, electric brake, and cold weather variants. Sourced directly from Wacker Neuson, this plug meets the exact specifications of the original part — ensuring a proper, trouble-free fit with no guesswork at installation. Confirmed fitment spans the full APT4S and APT4T lineup, covering both standard and cold weather configurations. When you need the right part the first time, the delivers.
Key Features
- Genuine OEM Sealing Integrity — Manufactured to Wacker Neuson's original material and dimensional spec, ensuring the plug seats and seals correctly in the pump housing without leakage or fitment issues.
- Drop-In Installation — Matches the original thread form and port size exactly, so it installs directly into the designated port without rework or adaptation.
- Broad APT Series Coverage — Fits APT4S (with skid) and APT4T (surge brake and electric brake) models, including all cold weather variants — one part number covers the full family.
- Protects Pump System Integrity — A correctly seated plug keeps hydraulic or fluid passages properly closed off, preventing contamination ingress and maintaining system pressure where required.
- Fluid System Safety — An absent or damaged plug on a pump can result in uncontrolled fluid loss or contamination of the fluid circuit; using the correct OEM plug eliminates that risk.
A plug in a pump assembly serves as a closing element for ports, passages, or openings that are not in active use during normal operation. It prevents fluid from escaping, blocks contaminants from entering the system, and helps maintain correct internal pressure within the pump circuit. When a plug is missing, cross-threaded, or deteriorated, it can cause fluid leaks, pressure loss, and potential contamination that leads to broader pump damage — making timely replacement with the correct OEM part essential to keeping the pump operating as intended.
Part Details
| Part Number | 5200019768 |
|---|---|
| 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.
