This is an "AC DELCO RADIATOR CAP" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This is a direct replacement for the old rotted out cap.
This is an "AC DELCO RADIATOR CAP" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This is a direct replacement for the old rotted out cap.