The Wacker Neuson Washer is a genuine OEM washer designed for the HI400HD G Indirect Air Heater. Sourced directly from Wacker Neuson, this is the exact same part fitted at the factory, ensuring a correct, trouble-free installation. If you're servicing or restoring your HI400HD G heater, using the correct OEM washer eliminates the guesswork and keeps the machine running as intended.
Key Features
- Genuine OEM Material Spec — Manufactured to Wacker Neuson's exact material and dimensional standards, ensuring the correct load distribution and clamping force for this heater application.
- Direct Drop-In Replacement — Matches the original mounting point dimensions on the HI400HD G, installing exactly as the factory part does without any modification.
- Confirmed Fitment — Verified for the HI400HD G Indirect Air Heater, so you can order with confidence knowing this is the correct part for your machine.
- Protects Mating Surfaces — A correctly spec'd washer distributes fastener load evenly, preventing wear, deformation, or damage to the surfaces it bears against — critical on a high-cycle heating unit.
- Fuel System & Heat-Circuit Integrity — On indirect-fired heaters, fastener hardware in the burner and fuel delivery areas must maintain secure, leak-free assemblies; using the right washer supports safe, compliant operation.
A washer serves as a load-spreading interface between a fastener and the surface it secures, preventing the bolt or nut from pulling through, gouging, or unevenly stressing the mating component. In equipment like the HI400HD G Indirect Air Heater — where assemblies are subject to vibration, thermal cycling, and repeated service access — the correct washer maintains joint integrity and helps fasteners hold their torque over time. A missing or incorrect washer can lead to loose fasteners, damaged housings, or compromised seals that affect heater performance and safety.
Part Details
| Part Number | 5000186697 |
|---|---|
| Old Part Number | 0186697 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Washer |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HI 400HD G Indirect Air Heater | HI400HD G | 5000620701 |
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.
