Fuel Filter Mount | eBay Diesel Fuel Filter Mounting Base Hand Priming Pump 3/8" NPT 1-14" Spin On Mount. Hand priming pump with air vent/bleed port. 3/8" npt threaded fuel ports. 2 inlet ports and 2 outlet ports, so you can Installing a Remote Fuel Filter Mount on the Cummins C8.3 Installing a Remote Fuel Filter Mount on the Cummins C8.3. The original secondary fuel filter on the Cummins C8.3 engine mounts to the bottom of the cylinder head on the left side of the engine. This location works fine for trucks with cabs or hoods that tilt--you simply tilt the hood/cab and stand next to the engine and change the filter.
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