I just put an airtex on mine, some say it's fine some say it's bad it's doing fine though. You can just be safe and get a ford one

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03 Ranger XLT 4x2 | 3.0l 2-door ext. cab auto trans | BTF Fabricated Spindles/Camburg Upper Arms/Camburg 2.5" coils/Bilstein 5100s/Limit Straps | 2" shackles/2.5" blocks | airbox mod w/ k&n drop in | thrush welded | blacked out emblems | 6000k hids | 06+ tails & corners | Cargo Light Mod | Billet Grille | Custom Bumper | Hella 700ffs | 32x11.5x15 BFG AT KO | 15" Procomp 7031 | Buggman LED Mustang Dome/Cluster/Reverse Lights | Kenwood Headunit | FORD floor mats