The Wacker Neuson O-Ring is a genuine OEM sealing component designed for PT2 and PT3 series self-priming centrifugal trash pumps. Sourced directly from Wacker Neuson, this O-Ring is manufactured to the exact material and dimensional tolerances specified for these pumps, ensuring a proper, leak-free seal every time. It fits a wide range of PT2 and PT3 model variants, including the PT2A, PT2B, PT2R, PT2Y, PT3A, PT3B, PT3V, PT3Y, PTK2, and PTK3. When you need a dependable replacement seal to get your pump back in service, the is the correct part for the job.
Key Features
- Genuine OEM Sealing Material — Manufactured to Wacker Neuson's exact compound and durometer spec, so the ring compresses and seals correctly under pump operating pressures without cracking or extruding prematurely.
- Drop-In Replacement — Sized to seat directly into the original groove on PT2 and PT3 pump housings with no trimming or stretching required.
- Broad PT2 and PT3 Series Coverage — A single part number covers PT2A, PT2B, PT2R, PT2Y, PT3A, PT3B, PT3V, PT3Y, PTK2, and PTK3 models, making it a practical stock item for mixed fleets.
- Maintains Pump Prime and Flow — A correctly sealed pump holds prime and delivers full discharge performance; a worn or damaged O-Ring causes air ingestion, loss of prime, and reduced output.
- Fluid Integrity and Leak Prevention — In pumping applications involving wastewater or slurry, a compromised O-Ring seal can allow fluid bypass around critical housings — using the correct OEM part keeps the pump contained and operating safely.
An O-Ring in a centrifugal trash pump creates a static or dynamic seal between mating housing surfaces, preventing air from entering the pump casing and water or slurry from leaking out. In a self-priming pump like the PT2 and PT3 series, maintaining this seal is critical — even a minor air leak at the O-Ring seat can break the pump's prime, causing it to lose suction and run dry. When an O-Ring hardens, cracks, or deforms from wear or chemical exposure, the pump will struggle to prime, output pressure will drop, and visible leaking around the housing joint is common. Replacing the O-Ring with the correct Wacker Neuson 5000029727 restores the seal and brings the pump back to full working condition.
Part Details
| Part Number | 5000029727 |
|---|---|
| Old Part Number | 0029727 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | O-Ring |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 50mm/2in Centrifugal Trash Pum p | PT2Y | 5000007117 |
| 75mm/3in Centrifugal Trash Pum p | PT3Y | 5000007118, 5000007119 |
| 50mm/2in Centrifugal Trash Pum p | PT2A | 5000006720, 5000006721 |
| 50mm/2in Centrifugal Trash Pum p | PT2B | 5000006722 |
| 75mm/3in Centrifugal Trash Pum p | PT3V | 5000007171 |
| 75mm/3in Centrifugal Trash Pum p | PT3A | 5000006729, 5000006730 |
| 50mm/2in Centrifugal Trash Pum p | PT2R | 5000007160, 5000006790 |
| 75mm/3in Centrifugal Trash Pum p Kit (without engin | PTK3 | 5000006747 |
| 50mm/2in Centrifugal Trash Pum p (without engine) | PTK2 | 5000006767 |
| 75mm/3in Centrifugal Trash Pum p | PT3B | 5000006731 |
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.
