The Wacker Neuson Lock Washer is a genuine OEM component designed for the HP252, Pureheat Hydronic Heater, and CH5000 Cross Heater series. As a direct OEM replacement, this lock washer is sourced and manufactured to the exact specification Wacker Neuson uses in production, ensuring proper fit and function within the assembly. Verified compatible across oil burner, gas burner, and generator-equipped CH5000 configurations, the covers a broad range of heater variants from a single part number.
Key Features
- Genuine OEM Construction: — Manufactured to the exact hardness and dimensional tolerances required to maintain secure fastener tension in heating equipment assemblies — no substitutions in material grade or geometry.
- Drop-In Replacement: — Matches the original mounting position and mating hardware exactly, so installation requires no reworking of adjacent components or fasteners.
- Broad Heater Compatibility: — Fits HP252, Pureheat Hydronic Heater (oil and gas burner variants), and CH5000 Cross Heater models including oil burner and generator-equipped configurations.
- Fastener Integrity Under Vibration: — A functioning lock washer prevents fastener backing-out during heater operation; a missing or deformed washer can lead to loose connections and service interruptions in the field.
- Fuel System Safety Relevance: — In heater and burner assemblies, secure fastening directly supports the integrity of fuel and fluid connections — using the correct OEM lock washer matters where loosening could have safety consequences.
A lock washer is a hardened ring placed under a fastener to resist loosening caused by vibration, thermal cycling, or dynamic loads. In hydronic heaters and indirect-fired heating units, components are subject to repeated heating and cooling cycles that can cause fasteners to back out over time. When a lock washer is worn, deformed, or missing, fasteners lose their clamping force, potentially compromising fluid connections, burner components, or structural mounts. Replacing a damaged lock washer with the correct OEM part restores proper clamping integrity and keeps the heater operating as intended.
Part Details
| Part Number | 5000167756 |
|---|---|
| Old Part Number | 0167756 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Lock Washer |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HP252 | HP252 | 5000620249 |
| Pureheat Hydronic Heater, Oil Burner | Pureheat | 5000620245, 5000620246 |
| Cross Heater with oil burner | CH5000 | 5000620240, 5000620242 |
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.
