OER Parts offers a wide selection of Body Panels for your GMC C2500 Suburban. OER Parts offers GMC C2500 Suburban Full Firewall, GMC C2500 Suburban Partial Firewall GMC C2500 Suburban Firewall Body Mount Patch Panels, GMC C2500 Suburban Firewall To Floor Braces, GMC C2500 Suburban Firewall Extension, and GMC C2500 Suburban Firewall Delete Plate.