The Wacker Neuson Heat Shrink Terminal is a genuine OEM electrical connection component designed for the HI 770 XHD series indirect air heaters, including Arctic Bear XHD and Extra Heavy Duty Air Heater configurations. As a factory-sourced part, the meets the exact material and insulation specifications Wacker Neuson built into these diesel-fired heaters at the point of manufacture. It installs directly into the existing wiring harness without adaptation, ensuring a secure, weatherproof connection in demanding cold-weather operating environments. If your HI 770 XHD heater is showing signs of a compromised electrical connection — intermittent operation, heat damage to wiring, or a failed terminal — this is the correct replacement to restore the circuit to spec.
Key Features
- OEM-Grade Insulation Material: — Heat shrink construction provides a dual-wall, adhesive-lined seal that locks out moisture and resists the high-vibration, high-heat environment inside indirect-fired diesel heater wiring systems.
- Correct Terminal Spec for the HI 770 XHD Electrical System: — Matched to the conductor gauge and circuit requirements of the HI 770 XHD wiring harness, so the connection torques and seals correctly the first time.
- Fits HI 770 XHD Heater Family: — Compatible across Arctic Bear XHD (2x12, 1x16, 1x20) and Extra Heavy Duty Air Heater variants, covering the full HI 770 XHD production range.
- Protects Circuit Integrity in Extreme Cold: — A properly terminated connection keeps the heater's ignition and control circuits operating consistently in sub-zero job conditions where a loose or corroded terminal can shut down heat output entirely.
- Electrical Safety Compliance: — Using the correct OEM heat shrink terminal on a diesel-fired heater's electrical system ensures the connection meets the insulation and strain-relief standards required for safe operation around combustible fuel circuits.
A heat shrink terminal is an electrical connector that combines a metal crimp terminal with a dual-wall heat shrink sleeve. When heat is applied during installation, the outer sleeve shrinks to grip the wire insulation and the inner adhesive layer melts to form a waterproof, corrosion-resistant seal around the conductor. In a diesel indirect air heater like the HI 770 XHD, these terminals are used throughout the control wiring and ignition circuits where moisture ingress or vibration-induced loosening can cause erratic operation or complete heater failure. A degraded or failed terminal in this application can interrupt the fuel solenoid signal, disable the ignition system, or trigger fault codes — making prompt replacement with the correct OEM part critical to restoring reliable heat output.
Part Details
| Part Number | 5000181652 |
|---|---|
| Old Part Number | 0181652 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Heat Shrink 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 |
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.
Wacker Neuson