The Wacker Neuson O-Ring is a genuine OEM sealing component designed for the PT2A and PT2A(I) series self-priming centrifugal trash pumps. As a factory-sourced part, it meets the exact material and dimensional specifications set by Wacker Neuson, ensuring a proper seal within the pump assembly. This O-Ring is the correct replacement for both the standard PT2A and the PT2A(I) configurations, making it a straightforward service part for operators maintaining either variant.
Key Features
- Genuine OEM Material Spec — Sourced directly from Wacker Neuson, this O-Ring is manufactured to the correct elastomer compound and durometer hardness required for the fluid pressures and media handled by PT-series trash pumps.
- Drop-In Sealing Fit — Matched to the exact groove dimensions in the PT2A pump housing, this O-Ring seats correctly without stretching, trimming, or modification to the mating surfaces.
- Confirmed PT2A and PT2A(I) Fitment — Verified for use across both the PT2A and PT2A(I) 2-inch self-priming trash pump models, covering the most common variants in this pump family.
- Leak-Free Pump Performance — A correctly seated O-Ring maintains internal pressure and prevents fluid bypass at critical sealing points, allowing the pump to build prime and sustain full discharge flow.
- Fluid and Pressure Resistance — Engineered to withstand the abrasive slurries, debris-laden water, and intermittent pressure spikes typical of trash pump operation on active job sites.
An O-Ring in a centrifugal trash pump creates a static or dynamic seal between mating components — such as the pump housing, volute cover, or mechanical seal assembly — preventing fluid from bypassing the intended flow path or leaking externally. When an O-Ring degrades, flattens, or cracks due to heat cycling and chemical exposure, the pump loses the ability to maintain prime and can begin leaking at the sealed joint. Replacing a worn O-Ring promptly restores the integrity of the pump's fluid circuit and ensures consistent suction and discharge performance.
Part Details
| Part Number | 5100042467 |
|---|---|
| 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.
Wacker Neuson
Mechanical Seal Kit | Wacker PT2, PT2A - 5100 Series | 5100042639
