The Wacker Neuson 5200019992 Gasket is a genuine OEM sealing component designed for the APT4T and APT4S series trailer-mounted pumps. As a direct factory replacement, this gasket meets the original engineering specifications for material grade and compression characteristics — critical factors for maintaining a leak-free seal under pump operating pressures. It is confirmed to fit the full APT4T and APT4S lineup, including Electric Brake, Surge Brake, standard Skid, and Cold Weather variants.
Key Features
- OEM-Grade Sealing Material — Manufactured to the original compression and chemical-resistance specifications required for pump sealing applications, ensuring a consistent, pressure-rated seal.
- Drop-In Replacement — Matches the original gasket geometry exactly, seating correctly against mating surfaces without trimming or adjustment.
- Broad APT Series Coverage — Fits APT4T (Electric Brake and Surge Brake) and APT4S (standard Skid) models in both standard and Cold Weather configurations.
- Preserves Pump Integrity — A correctly sealed gasket prevents fluid or pressure loss that would otherwise compromise pump output and accelerate wear on surrounding components.
- Fuel and Fluid Pathway Safety — Proper gasket sealing is essential in pump applications to prevent leaks at critical junctions — using a genuine OEM part confirms the correct material compatibility.
A gasket creates a static seal between two mating surfaces inside the pump assembly, preventing fluid, air, or pressure from escaping at connection points. In trailer-mounted pump applications like the APT4T and APT4S series, maintaining an intact seal is essential to sustaining consistent flow rates and system pressure. When a gasket deteriorates, cracks, or fails to compress correctly, it allows leaks that reduce pump efficiency, contaminate surrounding components, and can lead to more extensive repairs if left unaddressed.
Part Details
| Part Number | 5200019992 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Gasket |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| APT4T Pump, Electric Brake | APT4T | 5200019644, 5200019643 |
| APT4S Pump w/Skid | APT4S | 5200018977 |
| APT4S Pump w/Skid, Cold Weather | APT4S CW | 5200019798 |
| APT4T Pump, Electric Brake, Cold Weather | APT4T CW | 5200019793, 5200019792 |
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.
