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Duramax, Installations

XDP Duramax Fuel Filter Delete Install

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The XDP Duramax Fuel Filter Delete XD163 is a must have for any 2001-2015 GM 6.6L Duramax with a modified fuel system. Specially designed as a bolt-on replacement, the XDP Fuel Filter Delete simply installs in place of your factory fuel filter when using aftermarket fuel systems such as an Airdog, FASS, or custom applications where your factory fuel filter is no longer needed. Built from durable billet aluminum the XDP Duramax Fuel Filter Delete features an o-ring seal with a pre-drilled and tapped port for fuel pressure monitoring, and a threaded base that retains the factory Water In Fuel (WIF) Sensor. The XD163 can also be used with our XDP WIF Sensor delete plug XD137.

Step 1: Disconnect the factory fuel filter heater wire located on the top of the fuel filter head (Only found on early model engines)

Step 2-3: Unplug your Water in Filter (WIF) sensor at the bottom of your factory filter. Remove your factory fuel filter.

Step 4-6: Remove the (2) T20 Torx bit screws from the center of the fuel filter head to access the spring and check ball.  Once the screws are out, remove the spring and check ball from the fuel filter head.  Reinstall the cover without the spring and check ball to the filter head using the (2) T20 Torx screws.

Step 7: Install your WIF sensor, from your factory fuel filter, on your XDP Fuel Filter Delete (XD163).

Step 8: Install the supplied O-ring and 1/8” NPT plug on the XDP Fuel Filter Delete (XD163). (Lubricate the O-ring)

Step 9: Thread the XDP Fuel Filter Delete (XD163) onto the factory filter head and reconnect your wires. (Hand tight)

Step 10: Bleed the air from your fuel system.

Step 11: Start the engine and check for leaks.