The Wacker Neuson Cover is a genuine OEM component designed for the HI-series indirect-fired air heaters, including the HI400HD, HI300HD, HI200D, HI110HD, HI120, HI90, HI35, and HDR-series radiant heaters. Sourced directly from Wacker Neuson, this cover matches the original part in fit, form, and finish — no guesswork required when ordering. It is compatible across a wide range of diesel indirect and direct-fired heater models, making it a versatile stock item for rental fleets and service shops running multiple HI-series units. When it's time to restore your heater to working condition, part number is the correct OEM replacement.
Key Features
- Genuine OEM Construction: — Manufactured to Wacker Neuson's original material and dimensional standards, ensuring the cover seats and seals correctly on the heater housing without gaps or fitment issues.
- Direct Bolt-On Replacement: — Designed to align with the existing mounting points on HI-series heater frames, allowing straightforward installation without rework or fabrication.
- Broad HI-Series Compatibility: — Fits a wide range of Wacker Neuson indirect and direct-fired heater models including HI400HD, HI300HD, HI200D, HI110HD, HI120HD, HI90HD, HI35, HDR155, HDR45, HD50, and HD70 series units.
- Protects Internal Heater Components: — The cover shields the internal combustion and heat exchange components from jobsite debris, moisture, and physical damage — keeping the unit performing at rated output.
- Verified Part Number Fit: — OEM part number 5000183921 cross-references directly to the machine numbers listed for each compatible heater model, confirming you're ordering the right cover the first time.
The cover on a Wacker Neuson HI-series indirect air heater serves as the outer protective enclosure for the unit's internal combustion chamber and heat exchanger components. It shields critical parts from environmental exposure — including dust, rain, and impact — that could compromise combustion efficiency or cause premature component wear. A damaged, cracked, or missing cover can allow debris ingestion into the burner assembly or expose fuel system components to the elements, leading to inconsistent heat output or heater shutdown. Replacing a worn cover promptly restores the protective barrier and keeps the heater operating at its intended thermal capacity throughout the heating season.
Part Details
| Part Number | 5000183921 |
|---|---|
| Old Part Number | 0183921 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Cover |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HI 400HD G Indirect Air Heater | HI400HD G | 5000620701 |
| HI 300HD D Indirect Air Heater, Diesel | HI300HDD | 5000620867 |
| HI 400HD D Indirect Air Heater | HI400HDD | 5000620868 |
| HI 110HD D Indirect Air Heater, Diesel | HI110HD D | 5000620864 |
| HI 300D, HEATER-INDIRECT, DIESEL, -20° | HI300D | 5000620866 |
| HI 110D, HEATER-INDIRECT, DIESEL, -20° | HI110D | 5000620915 |
| HI 200 D Indirect Air Heater | HI200D | 5000620865, 5200011877 |
| HI 200HD D Indirect Air Heater | HI200HDD | 5000620916, 5200011878 |
| HDR 155 Direct Fired Radiant Heater | HDR155 | 5200007530 |
| HDR 45 | HDR45 | 5200013800 |
| HD 50 | HD50 | 5200019335 |
| HD 70 | HD70 | 5200019336 |
| HI35 | HI35 | 5200019337 |
| HI 90 | HI90 | 5200019340 |
| HI 90HD | HI90HD | 5200019341 |
| HI 120 | HI120 | 5200019342 |
| HI 120HD | HI120HD | 5200019343 |
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.
