The Wacker Neuson is a genuine OEM O-Ring designed for the PT3 series 75mm/3-inch centrifugal trash pumps, including the PT3, PT3A, PT3H, and PT3V models. Sourced directly from Wacker Neuson, this O-Ring is manufactured to the exact material and dimensional tolerances specified for these pumps, ensuring a proper seal every time. It fits across a wide range of PT3-family machine numbers, making it the correct choice for operators maintaining any variant within this pump series.
Key Features
- Correct Seal Geometry: — Manufactured to the exact durometer and cross-section dimensions specified for PT3-series pump assemblies, delivering a leak-free seal without trimming or adjustment.
- Genuine OEM Part: — Produced by Wacker Neuson to the same material specification as the original, so compression set and chemical resistance meet what the pump was engineered around.
- Broad PT3-Family Coverage: — Confirmed fitment across PT3, PT3A, PT3H, and PT3V variants of the 75mm/3-inch centrifugal trash pump line, covering multiple machine numbers within each model.
- Maintains Pump Integrity: — A properly seated O-Ring keeps internal fluid paths sealed under pressure; a worn or flattened ring allows water ingress or fluid bypass that degrades pump output and can damage internal components.
- Direct Drop-In Installation: — Seats into the existing groove without machining or modification, making it a straightforward swap during routine pump service or seal replacement.
An O-Ring in a centrifugal trash pump creates a pressure-tight seal between mating pump components — typically at the casing, impeller housing, or port connections — preventing fluid from bypassing the intended flow path or leaking externally. When an O-Ring hardens, cracks, or takes a permanent set, the pump loses prime more easily, output pressure drops, and water can work its way into areas it should never reach. Replacing a worn O-Ring with the correct part at the right service interval is one of the most cost-effective ways to keep a trash pump performing at full capacity.
Part Details
| Part Number | 5000119409 |
|---|---|
| Old Part Number | 0119409 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | O-Ring |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PT3H Pump | PT3H | 5000009100, 5000009103, 5000009242, 5100014963, 5100014964 |
| 75mm/3in Centrifugal Trash Pum p | PT3A | 5000009098, 5000009101, 5000009240, 5000620800, 5100058535, 5100058536 |
| PT3 Pump | PT3 | 5000009321, 5000620726, 5000009322, 5000009323 |
| 75mm/3in Centrifugal Trash Pum p | PT3V | 5000009102, 5000009241 |
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.