The Wacker Neuson 5100040915 is a genuine OEM Flange designed for the APT4S and APT4T series self-priming trash pumps. As a genuine OEM component, it is manufactured to the same specifications as the original part installed at the factory, ensuring a direct, accurate fit without modification. This Flange is compatible across multiple APT4 configurations, including surge brake, electric brake, standard, and cold weather variants. Whether you are servicing an APT4S Pump with Skid or an APT4T Pump with Electric Brake, part number 5100040915 is the correct replacement to restore your pump to full working order.
Key Features
- OEM-Grade Material Integrity — Manufactured to Wacker Neuson's original tolerances, ensuring the Flange seats and seals correctly within the pump's fluid path without leakage or misalignment.
- Direct Bolt-On Replacement — Matches the original mounting pattern and port dimensions of the APT4S and APT4T pump housings for a straightforward swap during service.
- Broad APT4 Series Coverage — Fits APT4S and APT4T configurations including surge brake, electric brake, standard, and cold weather variants — both with and without skid mounting.
- Maintains Pump Flow Integrity — A correctly fitted Flange keeps the pump's inlet or outlet connection secure and leak-free, supporting full rated discharge performance on every job.
- Fuel and Fluid System Confidence — Flanged connections in pump systems are subject to pressure cycling; using the correct OEM component helps prevent joint failure under working load conditions.
A flange is a structural connection component used to join sections of a pump's inlet or outlet piping to the pump body itself. It provides a secure, pressure-rated joint that keeps fluid moving through the system without bypass or leakage. When a flange becomes cracked, corroded, or warped, the pump can lose prime, drop discharge pressure, or develop visible leaks at the connection point — all of which interrupt pumping operations and can accelerate wear on surrounding components.
Part Details
| Part Number | 5100040915 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Flange |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| APT4S Pump w/Skid, Cold Weather | APT4S CW | 5200019798 |
| APT4T Pump, Electric Brake, Cold Weather | APT4T CW | 5200019793, 5200019792 |
| APT4T Pump, Surge Brake | APT4T | 5200019643, 5200019644 |
| APT4S Pump w/Skid | APT4S | 5200018977 |
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.
