The Wacker Neuson Back Panel Complete is a genuine OEM panel assembly designed for the HI750GM, HI750GMHD, and HI900DGM series indirect-fired air heaters. As a direct factory replacement, this panel restores the original enclosure integrity of your heater unit, ensuring all internal components remain properly housed and protected during operation. This part is confirmed to fit multiple HI-series configurations including surge brake and mobile variants, so verify your machine number against the fitment list before ordering.
Key Features
- Genuine OEM Construction — Manufactured to Wacker Neuson's original panel specifications, ensuring correct material gauge, mounting hole alignment, and dimensional accuracy for the HI-series heater enclosure.
- Direct Enclosure Replacement — Mounts in the same position as the original back panel, restoring the structural integrity of the heater cabinet without rework or fabrication.
- Broad HI-Series Compatibility — Fits the HI750GM, HI750GMHD, and HI900DGM indirect-fired air heater families, including surge brake and mobile configurations.
- Protects Internal Components — A properly seated back panel shields burner assemblies, heat exchangers, and electrical components from debris, weather, and physical damage on the jobsite.
- Fuel System and Electrical Safety — A damaged or missing back panel exposes fuel lines and ignition components to environmental hazards; replacing it promptly restores the safe operating envelope of the heater.
The back panel on an indirect-fired air heater forms the rear wall of the unit's outer enclosure, closing off the combustion and heat exchange cavity from the elements and physical damage. It plays a direct role in maintaining correct airflow dynamics through the heater by keeping the cabinet sealed as designed — gaps or distortion in the panel can disrupt internal airflow, reduce heating efficiency, and expose sensitive components to moisture or debris. When the panel is cracked, bent, or missing, both performance and safety are compromised, making timely replacement essential for continued operation.
Part Details
| Part Number | 5200003707 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Back Panel Complete |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HI750 DGM,SB HEATER-INDIRECT | HI750GM | 5000620930 |
| HI 750GM HD-Mobile Indirect Ai r Heater-Surge, -40 | HI750GMHD | 5000620969 |
| HI900 Heater-DGM,Srg,-40 | HI900DGM | 5200014221, 5200014166 |
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.
