OER Parts offers a wide selection of Body Panels for your GMC K2500 Suburban. OER Parts offers GMC K2500 Suburban Full Firewall, GMC K2500 Suburban Partial Firewall GMC K2500 Suburban Firewall Body Mount Patch Panels, GMC K2500 Suburban Firewall To Floor Braces, GMC K2500 Suburban Firewall Extension, and GMC K2500 Suburban Firewall Delete Plate.