The Wacker Neuson Suction Flange NPT is a genuine OEM component designed for the PT4A series trash pump. Sourced directly through Wacker Neuson's authorized parts program, this flange matches the original specification installed at the factory — no guesswork on fit or thread profile. If your PT4A is losing prime, showing signs of air ingestion, or has a cracked or damaged inlet flange, part is the correct direct replacement to restore full pump performance.
Key Features
- OEM Thread Integrity — Manufactured to the exact NPT thread specification of the original, ensuring a pressure-tight seal at the suction inlet with no cross-threading risk.
- Direct Drop-In Replacement — Matches the original bolt pattern and inlet diameter of the PT4A, so the flange seats and torques down exactly as the factory part did.
- Confirmed PT4A Fitment — Verified for the Wacker Neuson PT4A trash pump series; always cross-reference your model and serial number before ordering.
- Restores Full Suction Capacity — A compromised suction flange allows air into the pump housing, causing cavitation and loss of prime; replacing it with a correct OEM flange brings suction efficiency back to spec.
- Fuel System Integrity at the Inlet — As a genuine Wacker Neuson part, 5100044580 meets the material and dimensional standards required to handle the abrasive slurries and debris-laden water that PT4A pumps are built to move.
The suction flange is the threaded inlet fitting that connects the intake hose or pipe to the pump body. It creates a sealed, pressurized pathway that allows the pump to draw fluid in from the source — on a trash pump like the PT4A, this means handling water loaded with solids, silt, and debris. When the suction flange cracks, warps, or develops a compromised thread seal, air enters the intake line, breaking the pump's prime and causing it to run dry or cavitate. Replacing a worn or damaged flange promptly protects the pump's impeller and volute from the accelerated wear that dry or cavitating operation causes.
Part Details
| Part Number | 5100044580 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Suction Flange NPT |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PT4A | PT4A | 5100042217 |
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.
