Makes · Buick · Regal Sportback

2018 Buick Regal Sportback bulb size chart

Catalog bulb positions and codes for the 2018 Buick Regal Sportback. Confirm against your owner’s manual before buying.

Bulb chart

Headlight & fog

Position	Bulb
Fog Light Bulb Front	H8 LED
Headlight Bulb High Beam	H7
Headlight Bulb Low Beam	H7

Exterior signal & marker

Position	Bulb
Back Up Reverse Light Bulb	921
Brake Light Bulb	64136
Side Marker Light Bulb Front	2827
Turn Signal Light Bulb Rear	7507

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