OER Parts offers a wide selection of Body Panels for your 1978 Chevrolet K10 Suburban. OER Parts offers 1978 Chevrolet K10 Suburban Full Firewall, 1978 Chevrolet K10 Suburban Partial Firewall 1978 Chevrolet K10 Suburban Firewall Body Mount Patch Panels, 1978 Chevrolet K10 Suburban Firewall To Floor Braces, 1978 Chevrolet K10 Suburban Firewall Extension, and 1978 Chevrolet K10 Suburban Firewall Delete Plate.