The Wacker Neuson O-Ring is a genuine OEM sealing component designed for the PT2A and PT2A(I) self-priming centrifugal trash pumps. As a direct OEM part, it is manufactured to the exact material grade and dimensional tolerances specified for these pumps, ensuring a proper compression fit every time. This O-Ring is the correct replacement for PT2A and PT2A(I) series machines, making it a straightforward, confidence-inspiring service part for pump maintenance.
Key Features
- OEM-Grade Sealing Material — Manufactured to the exact compound and durometer specification required for the fluid and pressure conditions inside PT2A series trash pumps, maintaining a consistent, leak-free seal.
- Drop-In Replacement — Dimensionally identical to the original, seating correctly into the existing groove without trimming or adjustment.
- Confirmed Fitment — Verified for PT2A and PT2A(I) self-priming centrifugal trash pumps.
- Preserves Pump Prime — A correctly seated O-Ring maintains the suction integrity the PT2A depends on to self-prime and move water efficiently; a worn or cracked ring causes air ingestion and loss of prime.
- Fluid-System Integrity — In a pump application, a failed O-Ring can allow fluid bypass or external leakage; replacing it with a genuine OEM part restores the correct pressure boundary and protects surrounding components.
An O-Ring creates a static or dynamic seal between mating pump components, preventing fluid from bypassing the intended flow path or leaking externally. In a self-priming trash pump like the PT2A, maintaining that seal is critical — even a minor breach in the O-Ring's contact surface can introduce air into the system, causing the pump to lose prime and drop output. Replacing a worn, compressed, or cracked O-Ring at the first sign of leakage or prime loss is one of the most cost-effective ways to restore full pump performance.
Part Details
| Part Number | 5100042631 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | O-Ring |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PT2A | PT2A | 5100042215 |
| PT2A(I) | PT2A(I) | 5100042613 |
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.
