Headlamp Components for 2015 Cadillac ATS
1. Headlamp Assembly 
2. Headlamp Assembly 
3. Headlamp Assembly 
4. Headlamp Assembly 
5. Cluster 
6. Headlamp Assembly Bolt 
7. Headlamp Assembly Bolt 
8. Right 
9. Headlamp Assembly Bolt 
10. Headlamp Assembly Bolt 
11. Headlamp Assembly Bolt 
12. Headlamp Assembly Bolt 
13. Headlamp Assembly Bolt 
14. Headlamp Assembly Bolt 
15. Headlamp Assembly Bolt 
16. Headlamp Assembly Bolt 
17. Right 
18. Left 
19. Signal Lamp Bulb 
20. Marker Lamp Bulb 
21. Park Lamp Bulb 
22. Park Lamp Bulb 
23. Park Lamp Bulb 
24. Parking Light Bulb 
25. Marker Lamp Bulb 26. Headlamp Assembly Bolt No.
Part # / Description / Price
Price
1
Driver Side Headlamp Assembly 1 
GM
GM Positions: Left
Description: ATS. Left. Without leveling system. From 9/29/14. With v-series. Without hid. With frt side reflectors. Coupe, with hid, 2nd design, with v. Protects headlamp capsules
Built-in adjustors provide ability to aim lamps
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $1,463.92
$1,031.80
MSRP $1,463.92
$1,031.80
1
Passenger Side Headlamp Assembly 1 GM
GM Positions: Right
Description: ATS. Right. Without leveling system. From 9/29/14. With v-series. Without hid. With frt side reflectors. Coupe, with hid, 2nd design, with v. Protects headlamp capsules
Built-in adjustors provide ability to aim lamps
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $1,463.92
$1,031.80
MSRP $1,463.92
$1,031.80
1
Driver Side Headlamp Assembly 1 GM
GM Positions: Left
Description: ATS. Left. Without leveling system. To 9/29/14. With hid, 1st design. Protects headlamp capsules
Built-in adjustors provide ability to aim lamps
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $1,881.20
$1,291.91
MSRP $1,881.20
$1,291.91
1
Passenger Side Headlamp Assembly 1 GM
GM Positions: Right
Description: ATS. Right. Without leveling system. To 9/29/14. With hid, 1st design. Protects headlamp capsules
Built-in adjustors provide ability to aim lamps
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $1,881.20
$1,291.91
MSRP $1,881.20
$1,291.91
1
Driver Side Headlamp Assembly 1 GM
GM Positions: Front left
Description: ATS. Without v-series. Without control level sys. Left. Built from vin. 1g6ab1rx7f0114384. With HID. 2nd design without V. Protects headlamp capsules
Built-in adjustors provide ability to aim lamps
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $1,461.36
$1,030.00
MSRP $1,461.36
$1,030.00
1
Driver Side Headlamp Assembly 1 GM
GM Positions: Front left
Description: Without hid. without v. Protects headlamp capsules
Built-in adjustors provide ability to aim lamps
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $985.41
$698.99
MSRP $985.41
$698.99
1
Driver Side Headlamp Assembly 1 GM
GM Positions: Front left
Description: Genuine GM Driver Side Headlamp Assembly, part number 23236365. This GM OEM driver side headlamp assembly provides the vehicle's forward low- and high-beam lighting, with factory-correct beam pattern, mounting points and connectors. Made by General Motors to original equipment standards for correct fit, finish and durability—no guesswork with aftermarket parts. Verify fitment using your VIN or GM part number 23236365 before ordering. Shipped from Gateway Buick GMC, an authorized GM dealer.
MSRP $989.04
$701.57
MSRP $989.04
$701.57
2
M4.2x1.41x25 Multi-Purpose Bolt GM
GM Positions: Left
Description: Fastens vehicle's components together
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $8.83
$6.73
MSRP $8.83
$6.73
3
MSRP $10.17
$7.34
3
Multi-Purpose Nut GM
GM Description: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $7.69
$5.54
MSRP $7.69
$5.54
4
Driver Side Head Lamp Bracket GM
GM Positions: Left
Notes: PARTS: Part included with headlamp assembly.
Description: Coupe, with hid. Sedan, with hid. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $57.17
$41.24
MSRP $57.17
$41.24
4
Passenger Side Headlamp Bracket GM
GM Positions: Right
Notes: PARTS: Part included with headlamp assembly.
Description: Coupe, without hid. Sedan, with hid. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $57.17
$41.24
MSRP $57.17
$41.24
5
Headlamp Bolt GM
GM Positions: Left
Notes: PARTS: Part included with headlamp assembly.
Description: Coupe, without hid. 2013-17. With hid, without v. 2014-15. 2016-17. Fastens vehicle's componenets together
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $10.04
$7.65
MSRP $10.04
$7.65
6
Driver Side Headlamp Bracket GM
GM Positions: Left
Description: Coupe, without hid, without v. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $33.86
$24.43
MSRP $33.86
$24.43
6
Passenger Side Headlamp Bracket GM
GM Positions: Right
Description: Coupe, without hid, without v. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $33.86
$24.43
MSRP $33.86
$24.43
8
Passenger Side Headlamp Bulb Access Cover GM
GM Positions: Right
Notes: PARTS: Part included with headlamp assembly.
Description: Coupe, with hid. Sedan, with hid. Helps protect internal headlamp components from the elements
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $14.46
$11.02
MSRP $14.46
$11.02
8
Driver Side Headlamp Bulb Access Cover GM
GM Positions: Left
Notes: PARTS: Part included with headlamp assembly.
Description: Coupe, with hid. Sedan, with hid. Helps protect internal headlamp components from the elements
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $15.57
$11.87
MSRP $15.57
$11.87
9
Headlamp Bulb GM
GM Positions: Left
Notes: PARTS: Part included with headlamp assembly.
Description: Genuine GM Headlamp Bulb, part number 13587843. This GM OEM headlamp bulb is the replacement bulb specified for this lighting position, delivering factory-correct brightness and fit. Made by General Motors to original equipment standards for correct fit, finish and durability—no guesswork with aftermarket parts. Verify fitment using your VIN or GM part number 13587843 before ordering. Shipped from Gateway Buick GMC, an authorized GM dealer.
MSRP $393.90
$233.58
MSRP $393.90
$233.58
9
Headlamp Bulb GM
GM Positions: Front
Description: Helps illuminate the road ahead
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $34.33
$23.14
MSRP $34.33
$23.14
10
Multi-Purpose Light Bulb GM
GM Positions: Left
Notes: PARTS: Part included with headlamp assembly.
Description: Genuine GM Multi-Purpose Light Bulb, part number 13579188. This GM OEM multi-purpose light bulb is the replacement bulb specified for this lighting position, delivering factory-correct brightness and fit. Made by General Motors to original equipment standards for correct fit, finish and durability—no guesswork with aftermarket parts. Verify fitment using your VIN or GM part number 13579188 before ordering. Shipped from Gateway Buick GMC, an authorized GM dealer.
MSRP $13.22
$8.36
MSRP $13.22
$8.36
11
Daytime Running Light Bulb GM
GM Positions: Right
Notes: PARTS: Part included with headlamp assembly.
Description: ATS. Without v-series. Drl. Right. Coupe, with hid. Sedan, with hid. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
MSRP $339.16
$201.12
MSRP $339.16
$201.12
11
Daytime Running Light Bulb GM
GM Positions: Left
Notes: PARTS: Part included with headlamp assembly.
Description: ATS. Without v-series. Drl. Left. Sedan, with hid. Coupe, with hid. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
MSRP $339.14
$201.12
MSRP $339.14
$201.12
12
Head Lamp Leveling Actuator GM
GM Positions: Left
Notes: PARTS: Part included with headlamp assembly.
Description: Headlamp leveling. ATS. Coupe, with hid. Sedan, with hid. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $107.70
$77.21
MSRP $107.70
$77.21
14
Head Lamp Ballast GM
GM Positions: Left
Notes: PARTS: Part included with headlamp assembly.
Description: Ballast. ATS. Coupe, with hid. Sedan, with hid. Helps regulate the voltage and current supplied to your vehicle's headlamps
This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$174.10
$174.10
1 This price excludes a refundable manufacturer's core charge. Add the part to your cart to see the core charge.