Buick GS 400 Light Bulb Size Chart

Buick GS 400 light bulb size options include 1157, 1893, 194, 89, and 1157NA. A replacement chart covers 1968-1969 and 26 lighting locations. Each location entry includes specific model years and bulb size for the vehicle to ensure correct identification of the required hardware.

Select a light bulb location for Buick GS 400 to view detailed replacement information.