1998-2004 Lincoln Navigator Aries Grille Guards. Aries Off Road Grille Guard Features - Safeguard your front end and deck it out with the distinct style of an Aries Off Road Grille Guard. Your Aries Off Road Grille Guard is custom designed to accentuate your rig's factory lines. Integrated brush guards sweep out around your headlights for additional protection-the cages are removable if you need to access your headlights. Aries builds your Off Road Grille Guard from heavy-duty 1 1/2" steel tubing with thick rubber bumper pads on the center pillars. Pre-drilled holes for mounting auxiliary lights. Aries Grill Guard, Aries Brush Guard. For the top selection of Lincoln Navigator 1998-2004 Aries Grille Guards & Bull Bars shop online today. The Aries Grill Guard, Aries Brush Guard will improve and personalize your vehicle. Lincoln Grille Guards by Aries - selected by many auto enthusiasts in the top automotive discussion forums. Aries Off Road Grille Guard for your 04 Lincoln Navigator will deliver the results you are looking for! Aries Off Road Grille Guard - 1998-2004 Lincoln Navigator - Grille Guards & Bull Bars - Grille Guards.