Wacker Neuson 5000168709 Fuel Filter Diesel

The Wacker Neuson Fuel Filter Diesel is a genuine OEM component designed for the HI 770 XHD series indirect-fired air heaters. Sourced directly from Wacker Neuson, this filter meets the exact specifications of the original part installed at the factory. It is confirmed to fit HI 770 XHD Indirect Air Heater configurations including 2x12, 1x16, and 1x20 duct setups, as well as Arctic Bear XHD and Arctic Bear XHD NS variants. Installing the correct OEM filter ensures your diesel fuel system stays clean and your heater performs reliably in demanding cold-weather applications.

Key Features

• Genuine OEM Filtration Media — Built to Wacker Neuson's original filtration specification, removing diesel contaminants at the correct micron rating for the HI 770 XHD fuel system.
• Direct Drop-In Replacement — Matches the original filter's port size, thread pitch, and housing dimensions for a straightforward swap with no adapter or modification needed.
• Broad HI 770 XHD Coverage — Fits Arctic Bear XHD, Arctic Bear XHD NS, and all major HI 770 XHD Indirect Air Heater configurations, including 2x12, 1x16, and 1x20 duct models.
• Protects Burner and Fuel Pump — Clean fuel delivery prevents injector fouling, erratic burner cycles, and fuel pump wear — keeping heat output consistent in critical cold-weather operations.
• Fuel System Safety — A clogged or degraded diesel fuel filter can cause incomplete combustion and heater faults; replacing it on schedule with the correct OEM part maintains safe, efficient operation.

The diesel fuel filter in an indirect-fired air heater like the HI 770 XHD sits in the fuel supply line and traps particulates, water, and debris before they reach the burner assembly and fuel pump. A clean, functioning filter ensures a consistent fuel flow rate and proper atomization at the burner, which directly affects heat output and combustion efficiency. When the filter becomes clogged or saturated, the heater may experience hard starts, reduced heat output, burner lockouts, or fuel pump strain — all of which can bring operations to a halt during cold-weather work when the heater is needed most.

Part Details

Compatibility & Fitment

Verify Before You Order

Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.

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