The Wacker Neuson Lower Cover is a genuine OEM component designed for the HI 400HD G Indirect Air Heater. As a factory-sourced part, it is manufactured to the exact specifications of the original, ensuring a correct fit and consistent performance every time. This cover is the direct replacement for worn, cracked, or damaged units on your HI 400HD G heater.
Key Features
- OEM-Grade Enclosure Integrity: — Manufactured to the original material and dimensional spec, maintaining the structural protection the lower housing zone demands on a high-output indirect heater.
- Drop-In Replacement: — Matches the original mounting points and profile of the HI 400HD G, so installation follows the same procedure as the factory part it replaces.
- Confirmed Fitment: — Verified for the HI 400HD G Indirect Air Heater; check your model and machine number before ordering to ensure compatibility.
- Protects Internal Components: — The lower cover shields critical heater internals from debris, moisture, and physical damage, helping the unit maintain consistent heat output in demanding jobsite conditions.
- Fuel System Proximity Compliance: — On indirect-fired heaters, lower covers are positioned near combustion and fuel delivery components; using the correct OEM cover ensures clearances and shielding meet the original design intent.
The lower cover on an indirect-fired air heater like the HI 400HD G serves as a protective enclosure for the base of the unit, guarding internal components — including combustion and fuel system elements — from physical impact, water ingress, and airborne debris. A cracked, broken, or missing cover exposes sensitive components to damage and can compromise safe heater operation in harsh outdoor or construction environments. Replacing a damaged lower cover promptly keeps the heater operating as designed and maintains the integrity of the surrounding assembly.
Part Details
| Part Number | 5000186675 |
|---|---|
| Old Part Number | 0186675 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Lower Cover |
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.
