OER Parts offers a wide selection of Cooling System Components for your 1989 Pontiac Firebird. OER Parts offers 1989 Pontiac Firebird Radiator Hardware, 1989 Pontiac Firebird Radiator Supports, 1989 Pontiac Firebird OE Radiator Supports, 1989 Pontiac Firebird Radiator Filler Cover, 1989 Pontiac Firebird Radiator Support Opening X-Brace, 1989 Pontiac Firebird Radiator Support Bracket Set, and 1989 Pontiac Firebird Radiator Support Gussets.