The Wacker Neuson O-Ring is a genuine OEM sealing component designed for a broad range of Wacker Neuson equipment, including the HSH350 Hydronic Surface Heater, PT2H and PT3H centrifugal trash pumps, RD7H series tandem rollers, DS70 vibratory rammer, and E1100 ground heater. As a direct factory replacement, this O-Ring matches the original material grade and dimensional tolerances required to maintain a leak-free seal in demanding field conditions. Sourcing the correct OEM O-Ring is critical — an improperly sized or low-grade substitute can result in fluid loss, pressure drop, or accelerated wear on surrounding components. Keep on hand as a routine service item across your Wacker Neuson fleet.
Key Features
- OEM Material and Dimensional Accuracy — Manufactured to the exact compound and cross-section specification required for this application, ensuring correct compression set and seal integrity under operating pressure and temperature.
- Drop-In Replacement — Matches the groove geometry and seating surfaces of the original, so installation follows standard service procedures without reworking ports or fittings.
- Wide Fleet Compatibility — A single part number covers HSH350 hydronic surface heaters, PT2H and PT3H trash pumps, RD7H tandem rollers, DS70 vibratory rammer, and E1100 ground heaters — simplifying parts inventory across multiple machine types.
- Leak-Free Operation — A correctly seated O-Ring maintains system pressure in fluid and hydraulic circuits, preventing the gradual leakage that causes performance loss and unplanned service intervals.
- Fluid System Safety — In pumping and heating applications, a failed O-Ring can allow fluid to contact hot surfaces or contaminate the work area; replacing on schedule maintains safe operating conditions.
An O-Ring is a circular elastomeric seal that sits in a machined groove between two mating surfaces, compressing to block the passage of fluid, air, or gas under pressure. In equipment like trash pumps and hydronic heaters, O-Rings appear at port connections, pump housings, and fluid line fittings where a consistent, pressure-tight seal is essential to system performance. When an O-Ring hardens, cracks, or takes a permanent set from heat cycling and age, it loses its ability to seal — leading to leaks, pressure loss, or contamination that can affect the entire system if not addressed promptly.
Part Details
| Part Number | 5000151336 |
|---|---|
| Old Part Number | 0151336 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | O-Ring |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Hydronic Surface Heater | HSH350 | 5000620254, 5200001677 |
| PT3H Pump | PT3H | 5000009100, 5000009103, 5000009242, 5100014963, 5100014964 |
| PT2H Pump | PT2H | 5000009094, 5000009097, 5000009239 |
| RD 7S | RD7H-S EU | 5000620795 |
| RD7H-S ROLLER,DOUBLE DRUM | RD7H-S | 5000009487 |
| RD 7ES | RD7H-ES EU | 5000620794 |
| RD7H-ES Tandem Roller | RD7H-ES | 5000009408 |
| Double Drum Vibratory Roller | RD7H | 5000008042 |
| E1100 GROUND HEATER | E1100 | 5000620172, 5200001676 |
| DS70H Vibratory Rammer, 13" Plastic Shoe EPA | DS70 | 5200010976 |
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.
