The Wacker Neuson Washer is a genuine OEM washer designed for the HI 400HD G Indirect Air Heater. As a factory-sourced component, it meets the exact material and dimensional specifications called out in the original equipment design. This washer is a direct replacement for the HI 400HD G, ensuring correct load distribution and secure fastener seating wherever it is installed. Keep a spare on hand to avoid unnecessary delays during routine service or repair.
Key Features
- Genuine OEM Material Spec — Sourced directly from Wacker Neuson, this washer matches the original thickness, bore diameter, and material grade specified for the HI 400HD G Indirect Air Heater.
- Correct Load Distribution — Properly distributes clamping force across the mating surface, protecting fastener heads and the components they secure from damage under repeated thermal cycling.
- Direct Drop-In Replacement — Matches the original profile exactly, seating correctly without reworking or shimming the surrounding assembly.
- Verified HI 400HD G Fitment — Confirmed for the HI 400HD G Indirect Air Heater; use part number 5000186698 when ordering to ensure you receive the correct washer for this machine.
- Supports Heater Reliability in Demanding Conditions — A washer that has corroded, deformed, or gone missing can allow fasteners to loosen over time, compromising the integrity of connections in a high-heat indirect-fired heating environment.
A washer serves as a load-spreading interface between a fastener and the surface it clamps against. By distributing the compressive force of a bolt or nut over a wider area, it prevents the fastener from pulling through or deforming softer materials and helps maintain consistent clamping tension. In a high-cycle, high-heat application like an indirect-fired air heater, washers are subject to thermal expansion and contraction; a worn, deformed, or incorrect washer can allow fasteners to work loose over time, leading to vibration damage or fluid and air leaks at critical joints.
Part Details
| Part Number | 5000186698 |
|---|---|
| Old Part Number | 0186698 |
| 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.