Peterbilt 379 Seats

A GRA-MAG drop-in aftermarket seat for Peterbilt 379 seats brings you both style and comfort to your classic rig. Our GRA-MAG aftermarket Legacy seats for Peterbilt 379 are designed to give you top-tier support, whether you’re on a cross-country haul or just hitting the next stop. With a GRA-MAG to replace a Peterbilt 379 driver seat, you’ll enjoy a smoother ride that reduces fatigue. Looking to add a little extra comfort? Check out our GRA-MAG drop-in aftermarket Legacy seats for Peterbilt 379 and make every mile feel like the first one.