The Wacker Neuson O-Ring is a genuine OEM sealing component designed for the PT6 series 6-inch self-priming centrifugal trash pumps, including PT6LT, PT6LS, PT6Y, PT6YT, and PTK6 models. As a direct OEM replacement, this O-Ring meets Wacker Neuson's original material and dimensional specifications, ensuring a proper seal within the pump assembly. It is compatible with a wide range of PT6 configurations, including trailer-mounted, skid-mounted, and EPA T4 variants. Confirm your model number against the fitment list to ensure this is the correct O-Ring for your application.
Key Features
- OEM-Grade Sealing Material — Manufactured to Wacker Neuson's original compound and durometer spec, delivering the compression performance required to maintain a leak-free pump assembly.
- Drop-In Replacement — Matches the original groove dimensions and cross-section of the factory O-Ring, seating correctly without modification to the housing or mating surfaces.
- Broad PT6 Family Fitment — Covers PT6LT, PT6LS, PT6Y, PT6YT, and PTK6 variants, including trailer-mounted, skid-mounted, and EPA T4-compliant configurations.
- Prevents Fluid Bypass and Pressure Loss — A worn or degraded O-Ring allows air infiltration or fluid bypass, directly reducing pump prime and output pressure; replacing it restores full pumping capacity.
- Fuel and Fluid Compatibility — Formulated to resist degradation from water, slurry, and the fluids typically handled by 6-inch centrifugal trash pumps in construction and dewatering applications.
An O-Ring is a circular elastomeric seal that sits in a machined groove between two mating surfaces, preventing fluid or air from passing through the joint. In a centrifugal trash pump like the PT6 series, O-Rings maintain the integrity of wet-end connections — such as volute covers, port fittings, and inspection points — where maintaining pressure and preventing air ingestion is critical to achieving and holding prime. When an O-Ring hardens, cracks, or takes a compression set over time, the pump can lose prime unexpectedly, deliver reduced flow, or draw in air that causes cavitation and accelerated wear on internal components.
Part Details
| Part Number | 5000072855 |
|---|---|
| Old Part Number | 0072855 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | O-Ring |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PT6LT Pump w/Trailer | PT6LT | 5000007175, 5200014740 |
| 150mm/6in Centrifugal Trash Pu mp Skid Mounted | PT6LS | 5000007174, 5200014741 |
| PT6Y | PT6Y-SA | 5100070835 |
| PT6YT | PT6YT | 5100070966 |
| PUMP PT6Y-AU | PT6Y-AU | 5100076956 |
| PT6YT | PT6YT-IN | 5100077923 |
| PT 6LS | PT6LS(I) | 5200017427, 5200012427 |
| Trash Pump | PT6LT(I) | 5100014076 |
| PT6Y | PT6Y | 5100064168, 5100069617 |
| Trash Pump | PTK6 | 5200007830 |
| PT6Y | PT6Y EPA T4 | 5100073464 |
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.
