The Wacker Neuson Latch is a genuine OEM component designed for the HI750GM, HI750GMHD, and HI900DGM series indirect-fired air heaters. As a factory-sourced replacement, it is manufactured to the exact specifications of the original part, ensuring a correct, trouble-free installation. This latch is compatible across multiple HI750GM and HI900DGM configurations, including surge brake and mobile variants. If your heater's access panel or door is not securing properly, replacing the Latch restores safe, reliable closure and keeps your unit operating as intended on the jobsite.
Key Features
- Genuine OEM Construction — Manufactured to Wacker Neuson's original material and dimensional specifications, ensuring the latch engages and holds with the same retention force as the factory-installed part.
- Direct-Fit Replacement — Mounts in the original latch position on the heater enclosure with no modifications to the housing or hardware needed.
- Broad HI-Series Compatibility — Fits multiple HI750GM, HI750GMHD, and HI900DGM indirect-fired air heater configurations, including standard, surge brake, and mobile variants.
- Restores Secure Panel Closure — A worn or broken latch allows access panels to shift or open during operation, exposing internal components to debris, moisture, and cold-weather conditions that accelerate wear.
- Operational Safety — On indirect-fired heaters, a properly latching enclosure panel is essential for maintaining correct airflow paths and protecting combustion components — a failed latch should be replaced before returning the unit to service.
The latch secures the access panel or door on the heater enclosure, keeping it firmly closed during transport and operation. On indirect-fired air heaters like the HI750GM and HI900DGM series, maintaining a sealed enclosure is critical — an unsecured panel can disrupt internal airflow, expose the heat exchanger and burner assembly to the elements, and create unsafe operating conditions in cold-weather environments. When the latch wears, breaks, or no longer holds tension, the panel cannot be properly secured, and the heater should be taken out of service until the latch is replaced.
Part Details
| Part Number | 5000189155 |
|---|---|
| Old Part Number | 0189155 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Latch |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HI750 DGM HEATER-INDIRECT | HI750GM | 5000620859, 5000620930 |
| HI 750GM HD-Mobile Indirect Ai r Heater-Surge, -40 | HI750GMHD | 5000620969 |
| HI900 Heater-DGM,Srg,-40 | HI900DGM | 5200014221, 5200014222, 5200014165, 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.
