The Wacker Neuson Connector is a genuine OEM component designed for the HI 770 XHD Indirect Air Heater series, including Diesel 2x12, 1x16, and 1x20 configurations as well as Extra Heavy Duty variants. Sourced directly from Wacker Neuson, this connector meets the exact specifications of the original part installed at the factory. It is a direct, like-for-like replacement that fits the HI 770 XHD platform without modification. If your heater is experiencing electrical or connection-related faults, verifying and replacing part is a straightforward first step to restoring full operation.
Key Features
- Genuine OEM Electrical Integrity — Manufactured to Wacker Neuson's exact conductor and housing specifications, ensuring correct mating contact and signal continuity in the HI 770 XHD circuit.
- Direct Drop-In Replacement — Matches the original connector's pin configuration and housing geometry for a straight swap into your existing wiring harness.
- Broad HI 770 XHD Coverage — Compatible across multiple HI 770 XHD configurations including Diesel 2x12, 1x16, 1x20, and Extra Heavy Duty variants.
- Sustained Heater Performance — A sound electrical connection keeps combustion control and safety circuits operating as intended; a corroded or failed connector can cause intermittent shutdowns or prevent the heater from firing entirely.
- Fuel System and Ignition Safety Relevance — On indirect-fired diesel heaters, connector integrity is critical to safe burner operation; using a correctly rated OEM connector reduces the risk of unintended electrical faults in a fuel-adjacent environment.
The connector in the HI 770 XHD Indirect Air Heater serves as a secure termination point within the machine's wiring harness, linking control circuits, sensors, or fuel system components to the heater's main electrical system. A properly seated, corrosion-free connector ensures uninterrupted signal and power flow, which the heater's burner management system depends on for ignition sequencing and safety shutoffs. When a connector degrades — through heat cycling, moisture ingress, or vibration — it can cause erratic operation, nuisance faults, or a complete failure to start, making timely replacement essential in cold-weather jobsite conditions where reliable heat output is critical.
Part Details
| Part Number | 5000166680 |
|---|---|
| Old Part Number | 0166680 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Connector |
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.
