The Wacker Neuson Mechanical Seal is a genuine OEM component designed for PT2A and PT2A(I) series self-priming centrifugal trash pumps. Sourced directly through Wacker Neuson's authorized parts program, this seal matches the exact material grade and dimensional tolerances specified for the PT2A platform. It fits both the standard PT2A and the PT2A(I) variant, making it a reliable go-to when servicing either configuration. Keeping the correct seal in place is critical to maintaining pump output and preventing fluid loss at the shaft interface.
Key Features
- OEM-Grade Seal Material — Manufactured to Wacker Neuson's specified compression rating and face material standards, ensuring a proper fluid-tight interface at the pump shaft.
- Drop-In Replacement for PT2A Pumps — Engineered to seat correctly within the existing pump housing without modification, using the same mounting geometry as the original seal.
- Dual-Variant Fitment — Compatible with both the PT2A and PT2A(I) trash pump models, covering standard and indirect-intake configurations in a single part number.
- Protects Pump Integrity Under Load — A functioning mechanical seal prevents water and debris from migrating along the drive shaft, protecting internal bearings and the pump casing from accelerated wear.
- Fuel and Fluid Safety Compliance — A properly seated mechanical seal eliminates shaft leakage that can result in fluid pooling around the pump, reducing hazard exposure on the worksite.
A mechanical seal sits at the point where the pump's rotating drive shaft passes through the pump housing, creating a dynamic fluid-tight barrier between the wet end of the pump and the engine side. Its job is to prevent pumped liquid — and any solids or debris carried with it — from tracking along the shaft and contaminating or damaging the drive components behind it. When a mechanical seal wears or fails, you'll typically see leakage around the shaft, a drop in pump efficiency, and eventual damage to bearings and the seal cavity itself. Replacing the seal promptly with the correct OEM part restores the pump's pressure integrity and extends the service life of surrounding components.
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.
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