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Cadillac CTS Bulb Size Guide

Explore the Bulb Size Chart Below by Scrolling Down

Note: This guide is only for 2003-2019 Cadillac CTS models with original factory (OEM) assemblies. Aftermarket headlights, Fog Lights, tail lights, etc., may have different bulb sizes as per the manufacturer's specifications.

Accuracy and completeness are vital to us and our followers. If you notice any inaccuracies or missing information, please let us know so we can promptly update the guide. Your feedback is highly appreciated.

Must know:

This bulb size guide includes: 2014 Coupe, Sedan, Wagon bodytype; 2015 Coupe, Sedan bodytype.

It also includes: 2014 Coupe and Wagon Submodel: Base, Luxury, Performance, Premium, V, Vsport, Vsport Premium; 2014 Sedan Submodel: Base, Luxury, Performance, Premium, V.

 

Cadillac CTS (2017-2019) Bulb Size Chart

Headlights (High Beam and Low Beam) (w/ HID Headlamps)

D3S

Reverse Light (Back-Up Light)

T15 (912 921)

Reverse Light (Back-Up Light) (Outer)

T15 (912 921)

Dome Light

T10 (194 168)

Glove Box Light

T15 (912 921)

Interior Door Light

T15 (912 921)

License Plate Light

T10 (194 168)

Luggage Compartment Light (2018-2019)

211-2 (578 41MM)

Map Light

T10 (194 168)

Side Marker Light (Front)

T10 (194 168)

Stepwell Light

T10 (194 168)

Trunk Light

211-2 (578 41MM)

 

Cadillac CTS (2016) Bulb Size Chart

Headlights (High Beam and Low Beam) (w/ HID Headlamps)

D3S

Reverse Light (Back-Up Light)

T15 (912 921)

Courtesy Light

T10 (194 168)

Dome Light

T10 (194 168)

Glove Box Light

T15 (912 921)

Interior Door Light

T15 (912 921)

License Plate Light

T10 (194 168)

Map Light

T10 (194 168)

Stepwell Light

T10 (194 168)

Trunk Light

211-2 (578 41MM)

 

Cadillac CTS Wagon (2014) Bulb Size Chart

Headlights (High Beam and Low Beam) (w/ HID Headlamps)

D1S

Front Fog Lights

H11 (H8 H9)

Courtesy Light

211-2 (578 41MM) OR T10 (194 168) OR T15 (912 921)

Daytime Running Light

5202 (5201)

Dome Light

T10 (194 168)

Glove Box Light

T15 (912 921)

Interior Door Light

T15 (912 921)

License Plate Light

T10 (194 168)

Map Light

T10 (194 168)

Side Marker Light (Front)

T10 (194 168)

Stepwell Light

T10 (194 168)

Turn Signal Light (Front)

HPC24NA

Trunk Light

211-2 (578 41MM)

 

Cadillac CTS Sedan (2015) Bulb Size Chart

Headlights (High Beam and Low Beam) (w/ HID Headlamps)

D3S

Reverse Light (Back-Up Light)

T15 (912 921)

Courtesy Light

211-2 (578 41MM) OR T10 (194 168) OR T15 (912 921)

Dome Light

T10 (194 168)

Glove Box Light

T15 (912 921)

Interior Door Light

T15 (912 921)

License Plate Light

T10 (194 168)

Map Light

T10 (194 168)

Stepwell Light

T10 (194 168)

Trunk Light

211-2 (578 41MM)

 

Cadillac CTS Sedan (2014) Bulb Size Chart

Headlights (High Beam and Low Beam) (w/ HID Headlamps) (Base, Luxury, Performance, Premium submodel)

D3S

nan

nan

Headlights (High Beam and Low Beam) (w/ HID Headlamps) (V submodel)

D1S

Front Fog Lights (V submodel)

H11 (H8 H9)

Reverse Light (Back-Up Light) (Base, Luxury, Performance, Premium submodel)

T15 (912 921)

Courtesy Light

211-2 (578 41MM) OR T10 (194 168) OR T15 (912 921)

Daytime Running Light (V submodel)

5202 (5201)

Dome Light

T10 (194 168)

Side Marker Light (Front) (V submodel)

T10 (194 168)

Turn Signal Light (Front) (V submodel)

HPC24NA

Glove Box Light

T15 (912 921)

Interior Door Light

T15 (912 921)

License Plate Light

T10 (194 168)

Map Light

T10 (194 168)

Stepwell Light

T10 (194 168)

Trunk Light

211-2 (578 41MM)

 

Cadillac CTS Coupe (2015) Bulb Size Chart

Headlights (High Beam and Low Beam) (w/ HID Headlamps)

D1S

Front Fog Lights

H11 (H8 H9)

Courtesy Light

211-2 (578 41MM) OR T10 (194 168) OR T15 (912 921)

Daytime Running Light

5202 (5201)

Dome Light

T10 (194 168)

Glove Box Light

T15 (912 921)

Interior Door Light

T15 (912 921)

License Plate Light

T10 (194 168)

Map Light

T10 (194 168)

Side Marker Light (Front)

T10 (194 168)

Stepwell Light

T10 (194 168)

Turn Signal Light (Front)

HPC24NA

Trunk Light

211-2 (578 41MM)

 

Cadillac CTS Coupe (2014) Bulb Size Chart

Headlights (High Beam and Low Beam) (w/ HID Headlamps) (Base, Luxury, Performance, Premium, V)

D1S

Headlights (High Beam and Low Beam) (w/ HID Headlamps) (Vsport,Vsport Premium)

D3S

Headlight (High Beam)

H11 (H8 H9)

Headlight (Low Beam)

H11 (H8 H9)

Front Fog Lights

H11 (H8 H9)

Reverse Light (Back-Up Light) (Vsport,Vsport Premium)

T15 (912 921)

Courtesy Light

211-2 (578 41MM) OR T10 (194 168) OR T15 (912 921)

Daytime Running Light

5202 (5201)

Dome Light

T10 (194 168)

Glove Box Light

T15 (912 921)

Interior Door Light

T15 (912 921)

License Plate Light

T10 (194 168)

Map Light

T10 (194 168)

Parking Light

T10 (194 168)

Stepwell Light

T10 (194 168)

Side Marker Light (Front)

T10 (194 168)

Turn Signal Light (Front)

PSY24 OR HPC24NA

Trunk Light

211-2 (578 41MM)

 

Cadillac CTS (2008-2013) Bulb Size Chart

Headlights (High Beam and Low Beam) (w/ HID Headlamps)

D1S

Headlight (High Beam)

H11 (H8 H9)

Headlight (Low Beam)

H11 (H8 H9)

Front Fog Lights

H11 (H8 H9)

Courtesy Light (2008-2010, 2013)

T10 (194 168) OR T15 (912 921)

Courtesy Light (2011-2012)

211-2 (578 41MM) OR T10 (194 168) OR T15 (912 921)

Daytime Running Light

5202 (5201)

Dome Light

T10 (194 168)

Glove Box Light

T15 (912 921)

Interior Door Light

T15 (912 921)

License Plate Light

T10 (194 168)

Map Light

T10 (194 168)

Parking Light

T10 (194 168)

Stepwell Light

T10 (194 168)

Side Marker Light (Front)

T10 (194 168)

Turn Signal Light (Front)

PSY24 OR HPC24NA

Trunk Light

211-2 (578 41MM)

 

Cadillac CTS (2005-2007) Bulb Size Chart

Headlight (High Beam)

9005XS

Headlight (Low Beam) (w/ Halogen Capsule Headlamps)

9006XS

Headlight (Low Beam) (w/ HID Headlamps)

D1S

Front Fog Lights

9145 (H10 9140)

Reverse Light (Back-Up Light)

3157 (3156)

Brake Light (Rear)

3157 (3156)

Brake Light (High-Mounted)

T10 (194 168)

Courtesy Light

211-2 (578 41MM) OR T15 (912 921)

Daytime Running Light

3157 (3156)

Dome Light

T10 (194 168)

License Plate Light

T10 (194 168)

Map Light

T10 (194 168)

Parking Light

T10 (194 168)

Stepwell Light

T15 (912 921)

Side Marker Light (Front)

T10 (194 168)

Side Marker Light (Rear)

T10 (194 168)

Turn Signal Light (Front)

3157 (3156)

Turn Signal Light (Front) (side)

T10 (194 168)

Turn Signal Light (Rear)

3157 (3156)

Turn Signal Light (Front Inner)

3157 (3156)

Turn Signal Light (Front Outer)

T10 (194 168)

Tail Light

3157 (3156)

Trunk Light

211-2 (578 41MM)

 

Cadillac CTS (2003-2004) Bulb Size Chart

Headlight (High Beam)

9005XS

Headlight (Low Beam) (w/ Halogen Capsule Headlamps)

9006XS

Headlight (Low Beam) (w/ HID Headlamps)

D1S

Front Fog Lights

9145 (H10 9140)

Reverse Light (Back-Up Light)

3157 (3156)

Brake Light (Rear)

3157 (3156)

Brake Light (High-Mounted)

T10 (194 168)

Courtesy Light

211-2 (578 41MM)

Daytime Running Light

3157 (3156)

Dome Light

T10 (194 168)

License Plate Light

T10 (194 168)

Map Light

T10 (194 168)

Parking Light

T10 (194 168)

Side Marker Light (Front)

T10 (194 168)

Side Marker Light (Rear)

T10 (194 168)

Turn Signal Light (Front)

3157 (3156)

Turn Signal Light (Front) (side)

T10 (194 168)

Turn Signal Light (Rear)

3157 (3156)

Turn Signal Light (Front Inner)

3157 (3156)

Turn Signal Light (Front Outer)

T10 (194 168)

Tail Light

3157 (3156)

Trunk Light

211-2 (578 41MM)

However, the information in the table is not 100% correct due to manufacturer-specific reasons. If you find that the information is wrong or you need to add something, please feel free to contact us, we are grateful for any customer's opinion.

Didn't find your vehicle? Use the bulb finder system to get the bulb size.