The Wacker Neuson Terminal is a genuine OEM electrical terminal designed for HI 770 XHD and HI1000 series indirect-fired diesel air heaters, the Arctic Bear XHD indirect air heater, the BP45 Pureheat Booster Pump, the E1100 DG surface heater, and the MC5200 Mobile Drying System. Sourced directly from Wacker Neuson, this terminal meets the exact electrical specifications of the original component and installs without modification to the wiring harness. Correct terminal function is critical in these heating and climate systems, where reliable electrical connectivity directly affects ignition, fuel control, and heating output. Keep a genuine OEM replacement on hand to avoid delays during cold-weather operations.
Key Features
- Correct Contact Rating for Heating System Circuits — Engineered to carry the precise current and voltage loads found in Wacker Neuson indirect-fired heater and pump control circuits, maintaining signal and power integrity across the connection.
- Genuine OEM Component — Supplied directly from Wacker Neuson, this terminal matches the original part in material grade, crimp geometry, and connector interface — no guesswork on fitment.
- Broad Equipment Compatibility — Fits HI 770 XHD and HI1000 indirect diesel air heaters, the Arctic Bear XHD, BP45 Pureheat Booster Pump, E1100 DG surface heater, and MC5200 Mobile Drying System.
- Protects Electrical System Integrity — A failed or corroded terminal can cause intermittent faults, ignition failure, or loss of burner control; replacing with part number 5000166638 restores a clean, low-resistance connection.
- Safety-Critical Electrical Connection — In diesel-fired heating equipment, a secure terminal connection is essential for proper fuel solenoid and ignition control operation — using the correct OEM part helps ensure the system performs as designed.
A terminal is an electrical connector point that joins individual wires or conductors within a machine's wiring harness or control circuit. In indirect-fired diesel air heaters and associated heating equipment, terminals carry control signals and power to key components such as fuel solenoids, ignition modules, and pump motors. When a terminal corrodes, loosens, or fails, it can interrupt these signals, causing erratic burner behavior, ignition failure, or complete loss of heating output — problems that are especially disruptive during cold-weather jobsite operations. Replacing a worn terminal with the correct OEM part restores a solid electrical connection and ensures the circuit performs to specification.
Part Details
| Part Number | 5000166638 |
|---|---|
| Old Part Number | 0166638 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Terminal |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HI 770 XHD Indirect Air Heater, Diesel, 2x12 | Arctic Bear XHD | 5000620676 |
| HI 770 XHD Indirect Air Heater, Diesel, 1x16 | HI770XHD | 5000620183, 5200003814, 5200004934, 5100049894 |
| BP45 Pureheat Booster Pump, 1.5hp | BP45 | 5000620433 |
| Mobile Drying System | MC5200 | 5000620201, 5000620232 |
| HI1000DGM | HI1000DGM | 5100049275, 5100049276 |
| E1100 DG,HEATER-SURFACE | E1100 | 5200001676 |
| HI1000 | HI1000 | 5100049274 |
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.
