The Wacker Neuson Door Complete is a genuine OEM component designed for the HI750, HI900, and HI260 series indirect-fired air heaters. Sourced directly from Wacker Neuson, this Door Complete is an exact match for the original part — covering diesel, natural gas, and dual-fuel configurations across skid-mounted and mobile heater setups. Fitment spans a wide range of HI750 and HI900 variants including GM, GMD, D, G, and GMD surge brake models, as well as the HI260 oil-fired heater with tank. When the door seal degrades or the door assembly is damaged, replacing it promptly with a genuine part helps maintain combustion integrity and safe heater operation.
Key Features
- Genuine OEM Construction — Manufactured to Wacker Neuson's original material and dimensional standards, ensuring the door fits the heater cabinet frame the way it was designed to from the factory.
- Direct Drop-In Replacement — Mounts to the same attachment points as the original door assembly; no cutting, drilling, or fabrication needed.
- Broad HI-Series Compatibility — Fits a wide range of HI750, HI900, and HI260 indirect-fired air heater models, including diesel, natural gas, LP, and dual-fuel configurations in both mobile and skid-mounted setups.
- Combustion Chamber Integrity — A properly sealing door keeps combustion gases contained within the heat exchanger circuit, maintaining heating efficiency and protecting the burner assembly from exterior airflow disruption.
- Safety-Critical Component — On indirect-fired heaters, a compromised door can allow exhaust gases or heat to escape in unintended directions; replacing a worn or damaged door is a direct safety restoration measure.
The door on an indirect-fired air heater encloses the combustion chamber or burner access point on the heater cabinet, forming a sealed barrier that keeps the burner operating in a controlled environment. On indirect-fired units like the HI750 and HI900 series, combustion gases never enter the heated airstream — and a properly functioning, fully sealed door is part of what makes that separation possible. When the door warps, the latch fails, or the sealing surface deteriorates, the heater can lose thermal efficiency, experience burner faults, or allow heat to escape in ways that create a safety hazard on the jobsite.
Part Details
| Part Number | 5000183412 |
|---|---|
| Old Part Number | 0183412 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Door Complete |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HI750 DGM HEATER-INDIRECT | HI750GM | 5000620859, 5000620930 |
| Mobile Indirect Fired Air Heat er, Diesel | HI750D | 5000620856, 5000620923, 5000620924 |
| HI 750GM HD-Mobile Indirect Ai r Heater-Surge, -40 | HI750GMHD | 5000620969 |
| HI750G HEATER-INDIRECT | HI750G | 5000620857, 5000620928, 5000620929 |
| HI900 Heater-DGM,Srg,-40 | HI900DGM | 5200014221, 5200014222, 5200014165, 5200014166 |
| HI 900D Heater-Indirect | HI900D | 5200014158, 5200014159, 5200014160 |
| Skid Indirect Air Heaters Natu ral Gas | HI900G | 5200014161 |
| HI 900G Heater-Indirect,3x16 | HI900 G | 5200014163, 5200014164 |
| HI260 HEATER,OIL WITH TANK | HI260 | 5200018503 |
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.
