2017 Ford Focus ST Headlight Bulb Size
By clicking the link you will be redirected to Amazon. The aftermarket bulbs & headlights below may improve the illumination of your vehicle and make it stand out from the crowd.
Lightninglab.org is reader-supported. When you buy through links on our site, we may earn an affiliate commission.
Headlight Bulb High Beam and Low Beam - D3S
Fog Light Bulb Front - H8 LED
Headlight Bulb High Beam - H1
Headlight Bulb Low Beam - H11
Parking Light Bulb - 168
Tail Light Bulb - 3157R
Daytime Running Light Bulb - H1
Back Up Reverse Light Bulb - 921
Turn Signal Light Bulb Rear(Sedan) - 3157A
Turn Signal Light Bulb Front(Hatchback, with halogen headlights) - 7440A
The 2017 Ford Focus ST bulb size chart specifies the recommended lamp part numbers and types for all positions of its electrical system, like headlights, fog lights, brake lights, side markers, etc. If you want to upgrade the headlights, the aftermarket bulb you select has to be the exact size your 2017 Ford Focus ST requires to fit into the housing and match the wattage and voltage specifications. Pay special attention to the marking and make sure the bulb is “DOT” compliant to avoid legal issues.