The Wacker Neuson Water Pump is a genuine OEM component designed for the HI1000 and HI1000DGM series indirect air heaters, including Electric Break and Surge Brake configurations. As a factory-sourced part, the matches the original specification exactly, ensuring a direct, hassle-free installation with no adapting or modification. This water pump is confirmed to fit multiple HI1000DGM variants as well as the standard HI1000, making it the correct choice for most HI1000-family heater service work. When your heater's water pump is worn or failing, replacing it promptly with a genuine Wacker Neuson part restores proper circulation and keeps your heating system operating at full capacity.
Key Features
- Genuine OEM Construction — Factory-sourced from Wacker Neuson with flow rate and pressure characteristics matched to the original HI1000 heater circuit, so heating output is fully restored after replacement.
- Direct-Fit Installation — Mounts to the same ports and brackets as the original pump, using existing hardware and connections for a straightforward swap during routine service.
- Broad HI1000-Family Compatibility — Fits HI1000DGM Electric Break, HI1000DGM Surge Brake, and standard HI1000 indirect air heater models, covering the full range of common HI1000-series configurations.
- Sustained Heat Output — A functioning water pump maintains consistent coolant or fluid circulation through the heat exchanger; a failing pump causes uneven heating, overheating shutdowns, or complete loss of warm-air output.
- Fuel System and Heat Circuit Safety — Correct pump operation prevents thermal stress on downstream heater components; using a properly rated OEM pump reduces the risk of pressure mismatches that can lead to leaks in a fuel-fired system.
The water pump in an indirect-fired air heater circulates the heated fluid through the heat exchanger, transferring combustion heat into the airstream that warms the workspace. Without adequate circulation, the heater cannot distribute heat evenly and may trigger overheat protection shutdowns. A worn or seized pump often presents as reduced heat output, frequent fault codes, or visible fluid loss — replacing it with a correctly rated OEM part restores full circulation and gets the heater back to reliable, full-output operation.
Part Details
| Part Number | 5100036447 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Water Pump |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HI1000 Indirect Air Heater, DGM, Electric Break | HI1000DGM | 5200011234, 5200011235, 5100049275, 5100049276 |
| HI1000 | HI1000 | 5100049273 |
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.
