The Wacker Neuson Retaining Ring is a genuine OEM component designed for the E-Series ground heaters, E-Series hydronic surface heaters, HSH-Series hydronic surface heaters, Pureheat hydronic heaters, CH5000 cross heaters, and HHS hose handling systems. As a direct OEM part, the is manufactured to the exact tolerances and material specifications required by Wacker Neuson for these heating and ground-thaw units. This retaining ring fits an extensive range of configurations across the E1100, E2200, E3000, E3000ES, E5000, HSH350, HSH650, HSH700G, HP252, S3000, E700M, CH5000, Pureheat, and HHS hose handling system families. When you need a verified replacement, ordering by part number ensures you receive the correct ring for your machine.
Key Features
- Genuine OEM Material Integrity — Manufactured to Wacker Neuson's hardness and dimensional tolerances for retaining rings in hydronic heating and ground-thaw systems, so the ring seats and releases as engineered.
- Drop-In Installation — Matches the original groove profile and ring diameter exactly, snapping into position without reworking the bore or shaft.
- Broad Fitment Across Heating Families — Confirmed for E1100, E2200, E3000, E3000ES, E5000, HSH350, HSH650, HSH700G, HP252, S3000, E700M, CH5000, Pureheat, and HHS hose handling system variants.
- Secure Component Retention — Holds internal assemblies in axial position under the thermal cycling and vibration loads common in hydronic heating operation; a worn or missing ring can allow internal components to migrate and cause system malfunction.
- Verified by Wacker Neuson Part Number — Ordering by OEM part number 5000168106 eliminates cross-reference errors across the many model variants that share this ring.
A retaining ring is a fastening component that clips into a machined groove on a shaft or inside a bore to lock adjacent parts in place along the axis. In hydronic ground heaters and surface heaters, retaining rings secure pump impellers, shaft-mounted components, and valve assemblies so they stay correctly positioned during operation. When a retaining ring deforms, cracks, or is missing entirely, the component it holds can shift axially, leading to accelerated wear, fluid leaks, or a complete loss of function in the heating circuit.
Part Details
| Part Number | 5000168106 |
|---|---|
| Old Part Number | 0168106 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Retaining Ring |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| E3000 Hydronic Surface Heater with generator | E3000 | 5000620219, 5000620679, 5000620158, 5000620678, 5200014677, 5200004952, 5100017807, 5100017809, 5200014678, 5200014679, 5200014720, 5100017806, 5100017808, 5200014721, 5100017810, 5100017811, 5100025046, 5100055568, 5100056441, 5100056440, 5100025045 |
| HSH700 | HSH700G | 5000620243 |
| E5000 GROUND HEATER, W/GAS BURNER | E5000 | 5000620898, 5000620897, 5000620899 |
| Hydronic Surface Heater | HSH350 | 5000620254 |
| HP252 | HP252 | 5000620249 |
| E2200 GROUND HEATER | E2200 | 5000620176, 5000620215, 5000620216, 5000620226 |
| HHS702 Hose Handling System | HHS702 | 5000620426 |
| Pureheat Hydronic Heater, Oil Burner | Pureheat | 5000620245, 5000620246, 5000620190, 5000620220 |
| Hydronic Surface Heater w/ Gen erator, 3000 ft hose | S3000 | 5000620218, 5000620182 |
| E3000 ES Ground Heater | E3000ES | 5000620967, 5000620968 |
| E1100 GROUND HEATER | E1100 | 5000620172, 5000620244 |
| HSH650 | HSH650 | 5000620991 |
| Hydronic Surface Heater, 700m hose | E700M | 5000620195 |
| HHS2202 Hose Handling System | HHS2202 | 5000620423 |
| Hose Handling System | HHS2200 | 5000620418 |
| Hose Handling System | HHS3000 | 5000620419 |
| Hose Handling System | HHS700M | 5000620420 |
| Hose Handling System | HHS1101 | 5000620421 |
| HHS3002 Hose Handling System | HHS3002 | 5000620424 |
| HHS3004 Hose Handling System | HHS3004 | 5000620425 |
| HHS2502 Hose Handling System | HHS2502 | 5200003554 |
| Cross Heater with oil burner | CH5000 | 5000620240, 5000620242 |
| Hose Handling System | HHS1701 | 5000620422 |
| HHS1251 Hose Handling System | HHS1251 | 5200019011 |
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.
