2018 Cadillac CTS-V Bulb Size
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Bulbs Chart
2018 Cadillac CTS-V Headlight Bulb High Beam and Low Beam (D3S)
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Best Choice
Xenon HID lights deliver better light but consume less power. This offers drivers enhanced visibility while allowing the vehicle to save electrical power for other functions. With twice the amount of light, you can see potential obstacles much sooner. At highway speeds, HID lights give you up to a full
Philips D3S Standard Authentic Xenon HID
Xenon HID Conversion Kit
See more D3S Xenon HID Conversion Kit
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Extremely Bright
Looking for an LED conversion kit that will perfectly replace your OEM D3S D3R D3C Xenon bulb without changing any wiring? Look no further than the VehiCode D3S LED Headlight Conversion Kit. Each all-in-one LED conversion light lamp features mute fan cooling and CAN-bus error decoding, making installation a breeze.VehiCode D3S LED Headlight Conversion Kit - Xenon Replacement
LED Lights
2018 Cadillac CTS-V License Plate Light Bulb (2825)
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Premium Pick
SYLVANIA LED bulbs deliver a balanced combination of performance and value. Tuners and auto enthusiasts alike can replace their vehicle’s incandescent lights with a bright and long-lasting LED bulb for a unique and modern look simply and cost-effectively.Sylvania White Mini Bulb
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For Car Dome, Map Door, Courtesy, License Plate Lights
– Better beam pattern: each bulb has 5 pcs high power SMD led, color temperature: 6000K(xenon white), voltage: 12V – No polarity no flip: it is truly no polarity, can light on two sides, no need more modification or flip, plug and play, easy install within 5 minutes. Products with electrical plugsMarsauto LED Light Bulb 6000K Replacement Bulbs
LED Lights
2018 Cadillac CTS-V Back Up Reverse Light Bulb (921)
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Best Choice
Replace your standard car lights with our robust Philips Vision LEDs that deliver dynamic lighting for your vehicle, both inside and out. The innovative design and unmatched performance of Philips Vision LEDs are available for brake and taillights, backup lights, dome lights, and license plate lights. These bulbs are coveredPhilips 12789LPB2 Bright White Vision
LED Lights
2018 Cadillac CTS-V Dome Light Bulb (2825)
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Premium Pick
SYLVANIA LED bulbs deliver a balanced combination of performance and value. Tuners and auto enthusiasts alike can replace their vehicle’s incandescent lights with a bright and long-lasting LED bulb for a unique and modern look simply and cost-effectively.Sylvania White Mini Bulb
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For Car Dome, Map Door, Courtesy, License Plate Lights
– Better beam pattern: each bulb has 5 pcs high power SMD led, color temperature: 6000K(xenon white), voltage: 12V – No polarity no flip: it is truly no polarity, can light on two sides, no need more modification or flip, plug and play, easy install within 5 minutes. Products with electrical plugsMarsauto LED Light Bulb 6000K Replacement Bulbs
LED Lights
2018 Cadillac CTS-V Headlights
![ACANII - For [Halogen Model] 2003-2007 Cadillac CTS Black Projector Headlights Headlamps Replacement Pair Set Left+Right](https://m.media-amazon.com/images/I/51vzUadYC-L._AC_QL90_UL90_.jpg?ezimgfmt=0)
![AKKON - Fit 2009-2014 Cadillac CTS-V LED Running [HID/Xenon] w/AFS Projector Black Headlights Pair Driver+Passenger Replacement](https://m.media-amazon.com/images/I/51smgwEfGpL._AC_QL90_UL90_.jpg?ezimgfmt=0)
2018 Cadillac CTS-V Tail Lights
Cadillac CTS-V Bulb Size By Years
Decision: This bulb size chart exists to identify correct replacement bulbs for a 2018 Cadillac CTS, reducing guesswork and fitment errors when you shop. Constraints include variations across trim levels and optional lighting packages, so the list focuses on the most common configurations while noting limitations and possible exceptions.
Options and comparison: The chart compares socket types, wattages, and common aftermarket alternatives, presenting an evidence-based interpretation of compatibility rather than a sales pitch. Recommendation follows from that comparison: use the specified OEM-equivalent bulb for critical functions like headlights, and consider upgraded options only after checking fit and heat limits. Risks include fitment mismatch and electrical draw differences that can affect longevity; treat any upgrade as a hypothesis requiring verification. Affiliate disclaimer: some links may provide a small commission at no extra cost to you.
2018 Cadillac CTS-V specs
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