OER Parts offers a wide selection of Body Panels for your 1969 GMC All Models. OER Parts offers 1969 GMC All Models Full Firewall, 1969 GMC All Models Partial Firewall 1969 GMC All Models Firewall Body Mount Patch Panels, 1969 GMC All Models Firewall To Floor Braces, 1969 GMC All Models Firewall Extension, and 1969 GMC All Models Firewall Delete Plate.