Mustang seat belt plastic sleeves were designed to keep the seat belt receptacle from falling down under the seats. Mustang seat belt plastic sleeves can break and wear out over time leaving you digging beside your seat to find the seat belt receptacle. Latemodel Restoration carries replacement Mustang seat belt sleeves for this exact reason. Now you can keep your seat belt receptacle right by your side where it belongs. Shop our selection below to find the color that matches your interior.