The Wacker Neuson Air Shutoff Valve Engine Gas Detect is a genuine OEM component designed for the HI 770 XHD Indirect Air Heater series, including Arctic Bear XHD and Arctic Bear XHD NS configurations. As a direct OEM part sourced from Wacker Neuson, it meets the exact specifications of the original component and installs without modification into supported heater assemblies. Confirmed fitment spans multiple HI770XHD build configurations, making the correct choice whether you are servicing a 1x16, 1x20, or 2x12 duct arrangement or an Extra Heavy Duty Air Heater variant.
Key Features
- Genuine OEM Valve Integrity — Built to Wacker Neuson's original actuation and sealing specifications, ensuring the valve opens and closes at the correct trigger threshold for this heater's gas detection circuit.
- Direct Drop-In Replacement — Matches the original mounting interface and port connections on HI770XHD heater assemblies, so installation goes straight in without adapting fittings or brackets.
- Broad HI 770 XHD Series Coverage — Fits Arctic Bear XHD, Arctic Bear XHD NS, and multiple HI770XHD build variants, covering a wide range of Extra Heavy Duty Indirect Air Heater configurations under a single part number.
- Restores Reliable Air Shutoff Response — A functioning air shutoff valve closes airflow immediately upon a gas detection event, keeping the combustion process in check; a failed valve can leave the engine unable to respond correctly to hazardous conditions.
- Critical Safety Function — This valve is a key component in the heater's gas detection and emergency shutoff system. Using a verified OEM replacement maintains the integrity of that safety response and supports compliance with the heater's original design intent.
The air shutoff valve on an indirect diesel air heater works as a gatekeeper for the engine's air supply. When the heater's gas detection system senses a hazardous condition, this valve closes to cut off airflow to the engine, forcing a shutdown before the situation can escalate. If the valve sticks open, the engine cannot be stopped by the gas detection circuit; if it sticks closed, the heater may fail to start or run at all. Keeping this valve in good working order is essential to both the safe operation and the reliable ignition performance of your HI 770 XHD heater.
Part Details
| Part Number | 5200013527 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Air Shutoff Valve Engine Gas Detect |
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 |
| HI770XHD Indirect Heater | Arctic Bear XHD NS | 5000620690 |
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.