Other than that changing your head light bulb is simple and easy.Bulb part number 9012. You technically don't have to remove the wheel but it makes it easier. Other than that changing your head.. Need to know the Cadillac ATS bulb size to replace a dimmed-off lamp? Below you may find the Cadillac ATS bulb size charts with part numbers for all lamp positions like headlights, fog lights, brake lights, tail lights, turn signals, side markers, parking lights, cargo lights, etc.. 2016 2015 2014 2013 Bulb Position (Application) Bulb number

For Cadillac ATS 20132019 2x 9012/HIR2 LED Headlight High/Low Beam
For Cadillac ATS 20132019 2x 9012/HIR2 LED Headlight High/Low Beam
Changing Headlight Bulb On 2013 Cadillac Ats
Changing Headlight Bulb On 2013 Cadillac Ats
Replace® Cadillac ATS without Auto Leveling Headlights and with
Replace® Cadillac ATS without Auto Leveling Headlights and with
inginuity time LED Headlights for Cadillac ATS 20132019 Red Demon
inginuity time LED Headlights for Cadillac ATS 20132019 Red Demon
Changing Headlight Bulb On 2013 Cadillac Ats
Changing Headlight Bulb On 2013 Cadillac Ats
2013 2018 Cadillac ATS Headlight Replacement Smart Enough to DIY
2013 2018 Cadillac ATS Headlight Replacement Smart Enough to DIY
OE Replacement 20132016 Cadillac ATS Headlight Assembly
OE Replacement 20132016 Cadillac ATS Headlight Assembly
Headlight Set For 20132018 Cadillac ATS Left and Right With
Headlight Set For 20132018 Cadillac ATS Left and Right With
For Cadillac ATS 20132019 9012/HIR2 6000K LED Headlight Bulbs Hi/Lo
For Cadillac ATS 20132019 9012/HIR2 6000K LED Headlight Bulbs Hi/Lo
GM2502384 Headlight for 20132015 Cadillac ATS LH eBay
GM2502384 Headlight for 20132015 Cadillac ATS LH eBay
Xtune Installation Video 20132018 Cadillac ATS LED Headlights
Xtune Installation Video 20132018 Cadillac ATS LED Headlights
2pcs Xenon White LED Bulbs Fit for Cadillac ATS 20132019
2pcs Xenon White LED Bulbs Fit for Cadillac ATS 20132019
Cadillac Ats Headlight Bulb Replacement
Cadillac Ats Headlight Bulb Replacement
2pcs Xenon White LED Bulbs Fit for Cadillac ATS 20132019
2pcs Xenon White LED Bulbs Fit for Cadillac ATS 20132019
Cadillac Ats Headlight Replace
Cadillac Ats Headlight Replace
2013 ATS 2.0T Headlight Replacement LED Cadillac Owners Forum
2013 ATS 2.0T Headlight Replacement LED Cadillac Owners Forum
Bevinsee 9012 HIR2 LED Headlight Bulb For Cadillac ATS 20132018
Bevinsee 9012 HIR2 LED Headlight Bulb For Cadillac ATS 20132018
CADILLAC ATS 20132019 CLEAR HEADLIGHT 1 PAIR REPLACEMENT LENSES
CADILLAC ATS 20132019 CLEAR HEADLIGHT 1 PAIR REPLACEMENT LENSES
OEM 2013 2014 2015 CADILLAC ATS XENON/LED PASSENGER SIDE HEADLIGHT
OEM 2013 2014 2015 CADILLAC ATS XENON/LED PASSENGER SIDE HEADLIGHT
2013 Cadillac ATS headlight replacement YouTube
2013 Cadillac ATS headlight replacement YouTube
201320142015201620172018 CADILLAC ATS LEFT DRIVERS HEADLIGHT
201320142015201620172018 CADILLAC ATS LEFT DRIVERS HEADLIGHT
Replacement® 2013 Cadillac ATS Headlight Driver Side, With Bulb(s
Replacement® 2013 Cadillac ATS Headlight Driver Side, With Bulb(s
Headlight Set For 20132018 Cadillac ATS Left and Right With
Headlight Set For 20132018 Cadillac ATS Left and Right With
2013 2018 Cadillac ATS Headlight Headlamp Assembly Halogen Projector L
2013 2018 Cadillac ATS Headlight Headlamp Assembly Halogen Projector L
For Cadillac ATS 20132017 9012 LED Headlight 6000K White Bulbs
For Cadillac ATS 20132017 9012 LED Headlight 6000K White Bulbs
2013 2018 Cadillac ATS Headlight Replacement Smart Enough to DIY
2013 2018 Cadillac ATS Headlight Replacement Smart Enough to DIY
Changing Headlight Bulb On 2013 Cadillac Ats
Changing Headlight Bulb On 2013 Cadillac Ats
Cadillac Ats Headlight Replace
Cadillac Ats Headlight Replace
For Cadillac ATS Headlights 20132018 FULL LED Projector LED DRL
For Cadillac ATS Headlights 20132018 FULL LED Projector LED DRL
New For Cadillac ATS Headlights assembly 20132019 【Halogen Passenger
New For Cadillac ATS Headlights assembly 20132019 【Halogen Passenger

Find a replacement headlight bulb for your 2013 Cadillac ATS. Buy online and pick up at a store near you today or Free Next Day Delivery on eligible orders.. 2013 Cadillac ATS Headlight Assembly; 2013 Cadillac ATS Lift Support; 2013 Cadillac ATS Exhaust Manifold Bolt & Spring; 2013 Cadillac ATS Door Lock Actuator; Show Less. Related Makes.. I've replaced the stock bulbs in the projector headlights with LED bulbs. The first set I ordered, even though they were the right size, didn't fit in the assembly - they fit, but I couldn't get the back cover back on. The cooling fan part was a little too big. I ordered a second set (different make) but ran into the same issue.

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