The Wacker Neuson 5200020142 is a genuine OEM Gasket designed for the APT4T and APT4S pump series, including electric brake, surge brake, skid-mounted, and cold weather configurations. As a factory-original component, this gasket is manufactured to the exact material grade and compression profile required for proper sealing in these self-priming centrifugal pump assemblies. It is a direct-fit replacement confirmed across all major APT4T and APT4S variants, eliminating guesswork when ordering service parts. Verify your machine's model number against the fitment list before ordering to ensure correct application.
Key Features
- Genuine OEM Sealing Integrity — Manufactured to the exact material specification and compression profile required for the APT4T and APT4S pump series, ensuring a proper fluid-tight seal from installation.
- Direct-Fit Replacement — Matches the original mounting geometry and sealing surface dimensions, dropping into place without rework or modification to mating components.
- Broad APT4 Series Coverage — Confirmed fitment across APT4T (electric brake), APT4T (surge brake), APT4S (skid-mounted), and all corresponding cold weather variants.
- Protects Pump Performance — A compromised or worn gasket allows fluid or pressure loss at the sealed joint, degrading pump output and potentially causing internal damage; replacing it restores correct operating pressure.
- Fuel and Fluid System Safety — A correctly seated gasket prevents uncontrolled leakage at sealed pump joints, reducing the risk of fluid contact with hot surfaces or surrounding components.
A gasket creates a static seal between two mating surfaces inside or on the pump assembly, preventing fluid, air, or pressure from escaping at the joint. In a centrifugal trash pump like the APT4T and APT4S, maintaining that seal is critical to sustaining suction lift and discharge pressure during operation. When a gasket deteriorates, compresses beyond its service limit, or is damaged during maintenance, the resulting leak can cause the pump to lose prime, drop flow rate, or allow fluid to contact components it should never reach.
Part Details
| Part Number | 5200020142 |
|---|---|
| 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.
