2018 Cadillac Ats Electrical Bulb & Socket Parts

This table covers the bulbs in the reverse lamps. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs. Read more

9 Back Up / Reverse Lamp Bulb parts for the 2018 Cadillac Ats come from 4 brands — SYLVANIA, WAGNER, HELLA and 1 other brand. The "Popular" part is SYLVANIA 921LL.

In the Extended Life grade, SYLVANIA, HELLA and WAGNER supply 3 parts: grouped under the catalog's "Extended Life" designation — the notes column spells out what sets them apart. A representative part number is SYLVANIA 921LL.

In the Extra Bright (improved visibility, but shorter life) grade, SYLVANIA supplies 1 part: grouped under the catalog's "Extra Bright (improved visibility, but shorter life)" designation — the notes column spells out what sets them apart. A representative part number is SYLVANIA 921ST.

The LED (instant-on, long life, energy-saving) section lists 1 option from WAGNER — grouped under the catalog's "LED (instant-on, long life, energy-saving)" designation — the notes column spells out what sets them apart. WAGNER 921WLED is listed in this group.

In the Standard Replacement grade, HELLA, GM GENUINE, SYLVANIA and 1 other brand supply 4 parts: built to original-equipment specification. A representative part number is HELLA 921.

This group includes SYLVANIA 921LL and the remaining parts above.

This table covers the replacement bulbs for the Door Panel Light. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs. Read more

One part is listed for the 2018 Cadillac Ats — SYLVANIA 175SL.

This table covers the bulbs in the fog and driving lamps. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs. Read more

HELLA supplies the 5 Fog / Driving Lamp Bulb parts for the 2018 Cadillac Ats. HELLA 921 carries the "Popular" badge.

The Extended Life section: 2 options from HELLA. HELLA 921LL is listed in this group.

LED (instant-on, long life, energy-saving): 1 part, from HELLA. A representative part number is HELLA 226971571.

The Standard Replacement section: 2 options from HELLA. HELLA 921 is listed in this group.

Part numbers include HELLA 921, HELLA 921LL and HELLA DE3175LL, among others listed above.

This table covers the bulbs in the glove-box lamp. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs. Read more

One part is listed for the 2018 Cadillac Ats — HELLA 2825.

This table covers the bulbs that light the headlamps. Typical signs include a dark lamp, a flicker over bumps, or a bulb that keeps failing on one side. Avoid touching a halogen capsule. Repeated failure in one socket is usually the socket or ground, not the bulb. Read more

13 Headlamp Bulb parts are listed for the 2018 Cadillac Ats, from WAGNER, SYLVANIA, HELLA and 3 other brands. HELLA 9012LL carries the "Popular" badge.

The Extended Life section: 2 options from HELLA and WAGNER. HELLA 9012LL is listed in this group.

The Extra Bright (improved visibility, but shorter life) section: 5 options from SYLVANIA and WAGNER. WAGNER 9012BLX is listed in this group.

The HID (intense white light) section lists 4 options from AUTOTECNICA, HELLA, ÜRO PARTS and 1 other brand — grouped under the catalog's "HID (intense white light)" designation — the notes column spells out what sets them apart. AUTOTECNICA D3S is listed in this group.

The Standard Replacement section: 2 options from SYLVANIA and GM GENUINE. SYLVANIA 9012 is listed in this group.

This table covers the sockets that hold a headlamp bulb in the housing. Typical signs include a flicker over bumps, melted plastic, or a bulb that will not stay seated. Dielectric grease on the contacts slows corrosion. Do not force a bulb into a heat-damaged socket. Read more

6 Headlamp Socket parts are listed for the 2018 Cadillac Ats, from STANDARD MOTOR PRODUCTS, ACDELCO, WELLS and 2 other brands. ACDELCO LS254 carries the "Popular" badge.

Part numbers include ACDELCO LS254, WELLS 6S1046 and ROSTRA 610004, among others listed above.

This table covers the LED Bulb adapters. Read more

One part is listed for the 2018 Cadillac Ats — WAGNER CB900590069012.

This table covers the bulbs that light the license plate. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs. Read more

7 License Plate Lamp Bulb parts for the 2018 Cadillac Ats come from 3 brands — SYLVANIA, WAGNER and HELLA. The "Popular" part is SYLVANIA 2825LL.

Extended Life: 2 parts, from SYLVANIA and WAGNER. A representative part number is SYLVANIA 2825LL.

Extra Bright (improved visibility, but shorter life): 1 part, from SYLVANIA. A representative part number is SYLVANIA 2825ST.

The LED (instant-on, long life, energy-saving) section: 1 option from SYLVANIA. SYLVANIA 2825SL is listed in this group.

Standard Replacement: 3 parts, from HELLA, SYLVANIA and WAGNER. A representative part number is HELLA 2825.

Part numbers include SYLVANIA 2825LL, WAGNER 17177LL and SYLVANIA 2825ST, among others listed above.

This table covers the bulbs in the map / reading lamps. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs. Read more

This group shows a single part: HELLA 2825.

This table covers the bulbs in the parking lamps. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs. Read more

4 Parking Lamp Bulb parts are listed for the 2018 Cadillac Ats, from WAGNER, PHILIPS and SYLVANIA.

The Extended Life section: 3 options from PHILIPS, SYLVANIA and WAGNER. PHILIPS 7444NALL is listed in this group.

The Standard Replacement section: 1 option from WAGNER. WAGNER 7444NA is listed in this group.

Listed part numbers: PHILIPS 7444NALL, plus the other parts above.

This table covers the bulbs in the side-marker lamps. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs. Read more

12 Side Marker Light Bulb parts for the 2018 Cadillac Ats come from 4 brands — SYLVANIA, WAGNER, HELLA and 1 other brand. The "Popular" part is HELLA 194.

Extended Life: 3 parts, from HELLA, SYLVANIA and WAGNER. A representative part number is HELLA 194LL.

Extra Bright (improved visibility, but shorter life): 1 part, from SYLVANIA. A representative part number is SYLVANIA 194ST.

The LED (instant-on, long life, energy-saving) section: 3 options from SYLVANIA and WAGNER. SYLVANIA 194BSL is listed in this group.

Standard Replacement: 5 parts, from GM GENUINE, HELLA, SYLVANIA and 1 other brand. A representative part number is HELLA 194.

This table covers the bulbs in the step and courtesy lamps. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs. Read more

4 Step / Courtesy Light Bulb parts for the 2018 Cadillac Ats come from 3 brands — GM GENUINE, SYLVANIA and HELLA.

The LED (instant-on, long life, energy-saving) section: 1 option from SYLVANIA. SYLVANIA 175SL is listed in this group.

Standard Replacement: 3 parts, from GM GENUINE and HELLA. A representative part number is GM GENUINE 13500832.

This group includes SYLVANIA 175SL, GM GENUINE 13500832 and GM GENUINE W5WB50X2 and the remaining parts above.

This table covers the bulbs in the tail lamps. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs. Read more

2 Tail Lamp Bulb parts are listed for the 2018 Cadillac Ats, from DORMAN and HELLA.

Listed part numbers: DORMAN 601997 and HELLA 2825.

This table covers the bulbs in the trunk or cargo-area lamp. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs. Read more

5 Trunk / Cargo Area Light Bulb parts are listed for the 2018 Cadillac Ats, from HELLA, SYLVANIA and GM GENUINE. HELLA 168 carries the "Popular" badge.

The Extended Life section: 1 option from HELLA. HELLA 168LL is listed in this group.

LED (instant-on, long life, energy-saving): 1 part, from SYLVANIA. A representative part number is SYLVANIA 175SL.

The Standard Replacement section: 3 options from HELLA and GM GENUINE. HELLA 168 is listed in this group.

This group includes HELLA 168, HELLA 168LL and SYLVANIA 175SL and the remaining parts above.

This table covers the bulbs in the turn-signal lamps. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs. Read more

5 Turn Signal Lamp Bulb parts for the 2018 Cadillac Ats come from 3 brands — WAGNER, GM GENUINE and SYLVANIA. The "Popular" part is SYLVANIA 7444NALL.

Extended Life: 2 parts, from SYLVANIA and WAGNER. A representative part number is SYLVANIA 7444NALL.

Standard Replacement: 3 parts, from GM GENUINE and WAGNER. A representative part number is GM GENUINE 13579188.

Listed part numbers: SYLVANIA 7444NALL and GM GENUINE 13579188, plus the other parts above.