The Wacker Neuson Access Door is a genuine OEM component designed for the HI750, HI900, and HI260 series indirect-fired air heaters. Sourced directly from Wacker Neuson, this part matches the original door assembly in dimensions, hardware alignment, and fit — ensuring the enclosure seals and functions exactly as it did from the factory. It is confirmed compatible across a wide range of HI750 and HI900 configurations including diesel, natural gas, LP, dual-fuel, skid-mounted, and surge brake variants, as well as the HI260 oil-fired heater with tank.
Key Features
- Genuine OEM Construction: — Manufactured to Wacker Neuson's original design specs, ensuring correct panel dimensions, hinge alignment, and latch engagement specific to the HI-series heater enclosure.
- Drop-In Fitment: — Mounts directly in place of the original door with no modification to the heater frame or surrounding panels required.
- Broad HI-Series Compatibility: — Fits HI750, HI900, and HI260 indirect-fired air heaters across diesel, natural gas, LP, dual-fuel, skid, and mobile configurations.
- Enclosure Integrity Restored: — A damaged or missing access door exposes internal heater components to moisture, debris, and physical damage; replacing it promptly protects the burner assembly and heat exchanger.
- Combustion Safety Compliance: — On indirect-fired heaters, proper enclosure closure is critical to maintaining correct airflow paths and preventing unintended exposure to heat exchanger components during operation.
The access door on a Wacker Neuson indirect-fired air heater provides a serviceable entry point to internal components such as the burner assembly, heat exchanger, and fuel system connections. It also forms a key part of the heater's outer enclosure, helping to channel airflow correctly and protect sensitive components from the elements during outdoor or jobsite use. When the access door is damaged, warped, or missing, internal components become vulnerable to contamination and physical damage, and the heater's ability to operate safely and efficiently is compromised.
Part Details
| Part Number | 5200002539 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Access Door |
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.