How to Locate the Cabin Air Filter in a 2003 Ford F-350 Super Duty

by Leonardo R. Grabkowski
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Most 2003 Ford-F350 Super Duty trucks did not come equipped with a cabin filter. The cabin filter was an optional feature installed by using Ford kit number F65Z-18D477AA. If this kit was installed on the F-350, it has a cabin air filter. The easiest way to tell if you have a cabin air filter is by locating it. If your F-350 has a cabin air filter, you'll need to replace it every 15,000 miles to keep your air conditioning performing well and your interior air fresh.

Step 1

Turn your ignition off and remove the key. Access the passenger-side floorboard by entering the F-350 through the passenger side door.

Step 2

Look closely underneath the glove box. There is a black plastic cover mounted on the rear. Remove the five Phillips-head screws from the cover. Pull the cover down to remove it.

Inspect the area behind the cover. If the F-350 has a cabin air filter, you'll see a rectangular filter-access door with tabs on the end. Squeeze these tabs to remove the cover. The cabin air filter is behind it.

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