Buick Regal Sportback Light Bulb Size Chart

Buick Regal Sportback light bulb size options include H7, H8, 12961, 12496, and 921. A replacement chart covers 2018-2020 production cycles across 11 lighting locations. Each entry lists specific model years alongside a corresponding bulb size for a designated automotive lamp area.

Select a light bulb location for Buick Regal Sportback to view detailed replacement information.