The Wacker Neuson Flag Terminal is a genuine OEM electrical connector component designed for the HI 770 XHD indirect air heater series, E3000 ground and hydronic surface heaters, HI900DGM heaters, and related climate and heating equipment. As a direct factory replacement, this part matches the original connector specification used on the production line, ensuring a correct electrical connection without adaptation. It is also compatible with the HI 750GM HD, S3000 hydronic surface heater, Arctic Bear XHD, and HHS702 Hose Handling System, making it a widely applicable terminal across Wacker Neuson's heating and surface heating product families. Keep a spare on hand to minimize unplanned service interruptions during cold-weather operations.
Key Features
- Correct Contact Geometry: — Genuine OEM flag-style terminal profile matches original connector housing for a secure, full-engagement electrical connection.
- Broad Heating Family Coverage: — Fits HI 770 XHD, HI 750GM HD, HI900DGM indirect air heaters, E3000 ground and hydronic surface heaters, S3000 hydronic surface heaters, Arctic Bear XHD, and HHS702 Hose Handling System.
- Factory-Sourced Replacement: — Supplied as a genuine Wacker Neuson OEM part, ensuring the terminal material, plating, and crimp specification match what left the factory.
- Protects Circuit Integrity: — A correctly seated flag terminal maintains low-resistance continuity in the heating control circuit; a worn or corroded terminal can cause intermittent faults or prevent ignition in sub-zero conditions.
- Electrical Safety Assurance: — In heating and climate equipment operating in harsh cold-weather environments, a properly rated OEM terminal reduces the risk of arcing, heat build-up, or connector failure at the joint.
A flag terminal is a flat, right-angle electrical connector lug used to join wiring harness leads to control boards, solenoids, sensors, or other electrical components within a machine. The "flag" orientation — where the connector tab sits perpendicular to the wire axis — allows connections to be made in tight or angled spaces where a straight terminal would not seat properly. When a flag terminal corrodes, deforms, or loses its retention spring tension, it can produce a high-resistance joint or an intermittent open circuit, which in a heating unit may present as erratic burner behavior, fault codes, or a complete failure to fire. Replacing a damaged terminal with the correct OEM part restores full electrical contact and keeps the heating system operating as intended.
Part Details
| Part Number | 5000166427 |
|---|---|
| Old Part Number | 0166427 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Flag 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 |
| E3000 Ground Heater | E3000 | 5000620158, 5000620219, 5000620679, 5000620678 |
| HHS702 Hose Handling System | HHS702 | 5000620426 |
| Hydronic Surface Heater w/ Gen erator, 3000 ft hose | S3000 | 5000620218, 5000620182 |
| HI 750GM HD-Mobile Indirect Ai r Heater-Surge, -40 | HI750GMHD | 5000620969 |
| E1100 DG,HEATER-SURFACE | E1100 | 5200001676 |
| HI900 Heater-DGM,Srg,-40 | HI900DGM | 5200014221, 5200014222 |
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.