The Wacker Neuson O-Ring is a genuine OEM sealing component designed for the PG3A, PG3TA, and PG3 series dewatering pumps. As a direct OEM part, it is manufactured to the same material and dimensional specifications as the original, ensuring a proper compression fit within the pump assembly. This O-Ring is confirmed compatible across multiple PG3-family configurations, including 75mm/3in dewatering pump variants. When sealing integrity matters, sourcing the correct OEM part by part number is the most reliable way to restore proper pump function.
Key Features
- OEM Material Specification — Manufactured to the original compound and durometer rating required for fluid-tight sealing in Wacker Neuson PG3-series pump applications.
- Drop-In Sealing Fit — Sized to seat correctly in the original groove geometry, maintaining full contact around the sealing surface without trimming or adjustment.
- Broad PG3 Family Coverage — Fits PG3A, PG3TA, and PG3 dewatering pump models, including 75mm/3in variants across multiple serial configurations.
- Leak-Free Pump Operation — A correctly installed O-Ring maintains pressure containment and prevents fluid bypass; a degraded or missing O-Ring leads to visible leakage and loss of pump efficiency.
- Fluid System Integrity — In pump and wet-end applications, a compromised seal can allow contaminants into critical fluid passages — using the correct OEM O-Ring safeguards the internal pump components.
An O-Ring is a molded elastomeric seal that sits in a machined groove between two mating surfaces, creating a fluid-tight barrier when compressed. In a dewatering pump like the PG3 series, O-Rings are used at key joints in the wet end and housing assembly to prevent water from bypassing the intended flow path or leaking externally. When an O-Ring hardens, cracks, or takes a permanent set over time, it loses its ability to compress evenly — resulting in seepage, reduced pump output, or internal pressure loss that can accelerate wear on surrounding components.
Part Details
| Part Number | 5000070002 |
|---|---|
| Old Part Number | 0070002 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | O-Ring |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PG3A | PG3A | 5000007659, 5000009055 |
| PG3 Dewatering Pump | PG3 | 5000009498, 5000009499 |
| 75mm/3in Dewatering Pump | PG3TA | 5000620063 |
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.
