The Wacker Neuson Mechanical Seal is a genuine OEM component designed for the PT2A and PT2A(I) self-priming centrifugal trash pumps. As a factory-sourced part, it is manufactured to the exact tolerances required by these pumps, ensuring proper sealing between the rotating shaft and the pump housing. Sourced directly from Wacker Neuson, part delivers the fit and performance integrity your pump depends on. Confirmed fitment covers the PT2A and PT2A(I) series.
Key Features
- OEM-Grade Seal Material: — Manufactured to Wacker Neuson's exact material and compression specifications, ensuring the seal face maintains proper contact under continuous pump operation.
- Drop-In Shaft Compatibility: — Engineered to mount directly onto the PT2A pump shaft without machining or shimming, aligning precisely with the existing housing bore.
- Confirmed PT2A and PT2A(I) Fitment: — Verified for use in both the standard PT2A and PT2A(I) 2-inch self-priming centrifugal trash pump configurations.
- Leak Prevention at the Pump Shaft: — A properly seated mechanical seal keeps water from migrating along the shaft, protecting bearings and internal components from water intrusion and premature wear.
- Fuel and Fluid System Safety: — A failed or worn mechanical seal on a pump can result in fluid loss, shaft damage, and uncontrolled discharge; replacing it with a genuine OEM seal restores safe, controlled pump operation.
A mechanical seal is the primary barrier between the pump's wet end and its rotating shaft assembly. It uses precision-lapped mating faces — one stationary and one rotating — to prevent pumped fluid from escaping along the shaft. When a mechanical seal wears, cracks, or loses face contact, the pump will leak at the shaft, lose prime, and can rapidly damage bearings and other internal components. Replacing a degraded seal with a correctly rated OEM unit like the Wacker Neuson 5100042639 restores full pump integrity and keeps the PT2A running at its designed output.
Part Details
| Part Number | 5100042639 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Mechanical Seal |
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
