2007 Cadillac CTS 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

12 Back Up / Reverse Lamp Bulb parts for the 2007 Cadillac CTS come from 5 brands — WAGNER, SYLVANIA, HELLA and 2 other brands. The "Popular" part is HELLA 3157.

In the Extended Life grade, HELLA, SYLVANIA 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 HELLA 3157LL.

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 3157ST.

The LED (instant-on, long life, energy-saving) section lists 5 options from DORMAN, WAGNER and PHILIPS — grouped under the catalog's "LED (instant-on, long life, energy-saving)" designation — the notes column spells out what sets them apart. DORMAN 3157WSMD is listed in this group.

In the Standard Replacement grade, HELLA, SYLVANIA and WAGNER supply 3 parts: built to original-equipment specification. A representative part number is HELLA 3157.

This table covers the bulbs in the stop 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

10 Brake Light Bulb parts for the 2007 Cadillac CTS come from 5 brands — SYLVANIA, WAGNER, HELLA and 2 other brands. The "Popular" part is HELLA 3157.

Extended Life: 3 parts, from HELLA, SYLVANIA and WAGNER. A representative part number is HELLA 3157LL.

Extra Bright (improved visibility, but shorter life): 1 part, from SYLVANIA. A representative part number is SYLVANIA 3157ST.

The LED (instant-on, long life, energy-saving) section: 2 options from PHILIPS and WAGNER. PHILIPS 3157RLED is listed in this group.

Standard Replacement: 4 parts, from HELLA, WAGNER, ACDELCO and 1 other brand. A representative part number is HELLA 3157.

This table covers the bulbs in the high-mount stop lamp. Typical signs include a clunk on takeoff, a vibration at idle, or a separated rubber insert. Support the powertrain before unbolting a mount, and torque the fasteners in the notes. Read more

This group shows a single part: PHILIPS PC168.

This table covers the sockets that hold a Brake Light bulb. 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

8 Brake Light Socket parts for the 2007 Cadillac CTS come from 5 brands — STANDARD MOTOR PRODUCTS, GM GENUINE, DORMAN and 2 other brands. The "Popular" part is DORMAN 85881.

Listed part numbers: DORMAN 85881, GM GENUINE PT2775 and FAMOUS BRAND PTA1237, plus the other parts above.

This table covers the bulbs used as daytime running 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

8 Daytime Running Light Bulb parts are listed for the 2007 Cadillac CTS, from SYLVANIA, HELLA, WAGNER and 1 other brand. HELLA 3157 carries the "Popular" badge.

The Extended Life section: 3 options from HELLA, SYLVANIA and WAGNER. HELLA 3157LL is listed in this group.

The Extra Bright (improved visibility, but shorter life) section: 1 option from SYLVANIA. SYLVANIA 3157ST is listed in this group.

LED (instant-on, long life, energy-saving): 1 part, from PHILIPS. A representative part number is PHILIPS 3157WLED.

The Standard Replacement section: 3 options from HELLA, WAGNER and SYLVANIA. HELLA 3157 is listed in this group.

This group includes HELLA 3157 and HELLA 3157LL and the remaining parts above.

This table covers the sockets that hold a Daytime Running Light bulb. 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

4 Daytime Running Light Socket parts are listed for the 2007 Cadillac CTS, from STANDARD MOTOR PRODUCTS, ROSTRA and WELLS.

This group includes ROSTRA 610007, STANDARD MOTOR PRODUCTS HP3821 and STANDARD MOTOR PRODUCTS S1022 and the remaining parts above.

This table covers the bulbs in the dome 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

This group shows a single part: PHILIPS PC168.

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

13 Fog / Driving Lamp Bulb parts are listed for the 2007 Cadillac CTS, from HELLA, SYLVANIA, PHILIPS and 2 other brands. HELLA 9005 carries the "Popular" badge.

The Blue-Coated (stylish, bright-white look) section lists 1 option from HELLA — grouped under the catalog's "Blue-Coated (stylish, bright-white look)" designation — the notes column spells out what sets them apart. HELLA H71071252 is listed in this group.

The Extra Bright (improved visibility, but shorter life) section: 1 option from SYLVANIA. SYLVANIA 9145ST is listed in this group.

LED (instant-on, long life, energy-saving): 4 parts, from HELLA, PHILIPS, SYLVANIA and 1 other brand. A representative part number is HELLA 226971561.

In the Reduced Glare (for rain, fog, snow, or rural driving) grade, HELLA supplies 1 part: grouped under the catalog's "Reduced Glare (for rain, fog, snow, or rural driving)" designation — the notes column spells out what sets them apart. A representative part number is HELLA H71071112.

The Standard Replacement section: 6 options from HELLA, SYLVANIA, WAGNER and 2 other brands. HELLA 9005 is listed in this group.

This table covers the sockets that hold a Fog / Driving Lamp bulb. 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

One part is listed for the 2007 Cadillac CTS — WELLS 1P3539.

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

37 Headlamp Bulb parts are listed for the 2007 Cadillac CTS, from HELLA, PHILIPS, SYLVANIA and 6 other brands. HELLA D1S4300K carries the "Popular" badge. They are grouped as Blue-Coated (stylish, bright-white look), Extended Life, Extra Bright (improved visibility, but shorter life), HID (intense white light), Reduced Glare (for rain, fog, snow, or rural driving) and Standard Replacement, with Standard Replacement the largest group at 15 parts from HELLA, SYLVANIA, WAGNER and 5 other brands.

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

25 Headlamp Socket parts are listed for the 2007 Cadillac CTS, from DORMAN, STANDARD MOTOR PRODUCTS, WELLS and 6 other brands. ACDELCO LS254 carries the "Popular" badge.

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

9 License Plate Lamp Bulb parts for the 2007 Cadillac CTS come from 4 brands — SYLVANIA, WAGNER, HELLA and 1 other brand. The "Popular" part is HELLA 921LED5K.

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: 2 options from HELLA and SYLVANIA. HELLA 921LED5K is listed in this group.

Standard Replacement: 4 parts, from HELLA, GM GENUINE, SYLVANIA and 1 other brand. A representative part number is HELLA 2825.

Part numbers include HELLA 921LED5K, SYLVANIA 2825LL and WAGNER 17177LL, 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

2 Map / Reading Light Bulb parts for the 2007 Cadillac CTS come from 2 brands — ACDELCO and PHILIPS.

Part numbers include ACDELCO 9442441 and PHILIPS PC168.

This table covers the replacement bulbs for the Overhead Console 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

This group shows a single part: ACDELCO 9442441.

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

8 Parking Lamp Bulb parts are listed for the 2007 Cadillac CTS, from SYLVANIA, WAGNER, HELLA and 1 other brand. SYLVANIA 2825LL carries the "Popular" badge.

The Extended Life section: 2 options from SYLVANIA and WAGNER. SYLVANIA 2825LL is listed in this group.

The Extra Bright (improved visibility, but shorter life) section: 1 option from SYLVANIA. SYLVANIA 2825ST is listed in this group.

LED (instant-on, long life, energy-saving): 1 part, from SYLVANIA. A representative part number is SYLVANIA 2825SL.

The Standard Replacement section: 4 options from HELLA, GM GENUINE, SYLVANIA and 1 other brand. HELLA 2825 is listed in this group.

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

This table covers the sockets that hold a Side Marker Lamp bulb. 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

8 Side Marker Lamp Socket parts for the 2007 Cadillac CTS come from 5 brands — STANDARD MOTOR PRODUCTS, WELLS, GM GENUINE and 2 other brands. The "Popular" part is STANDARD MOTOR PRODUCTS S789.

Part numbers include STANDARD MOTOR PRODUCTS S789, WELLS 1P1412 and ACDELCO LS176, among others listed 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

18 Side Marker Light Bulb parts for the 2007 Cadillac CTS come from 4 brands — SYLVANIA, WAGNER, HELLA and 1 other brand. The "Popular" part is HELLA 2825.

Extended Life: 5 parts, from SYLVANIA, WAGNER and HELLA. A representative part number is HELLA 194LL.

Extra Bright (improved visibility, but shorter life): 2 parts, from SYLVANIA. A representative part number is SYLVANIA 2825ST.

The LED (instant-on, long life, energy-saving) section: 4 options from SYLVANIA and WAGNER. SYLVANIA 194BSL is listed in this group.

Standard Replacement: 7 parts, from HELLA, SYLVANIA, WAGNER and 1 other brand. A representative part number is HELLA 2825.

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

2 Step / Courtesy Light Bulb parts for the 2007 Cadillac CTS come from 2 brands — GM GENUINE and PHILIPS.

Listed part numbers: GM GENUINE 19115808 and PHILIPS 2112.

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

14 Tail Lamp Bulb parts are listed for the 2007 Cadillac CTS, from WAGNER, HELLA, SYLVANIA and 3 other brands. HELLA 2825 carries the "Popular" badge.

The Extended Life section: 3 options from HELLA, SYLVANIA and WAGNER. HELLA 3157LL is listed in this group.

The Extra Bright (improved visibility, but shorter life) section: 1 option from SYLVANIA. SYLVANIA 3157ST is listed in this group.

LED (instant-on, long life, energy-saving): 5 parts, from DORMAN, WAGNER and PHILIPS. A representative part number is DORMAN 3157WSMD.

The Standard Replacement section: 5 options from HELLA, WAGNER, ACDELCO and 1 other brand. HELLA 2825 is listed in this group.

This table covers the Tail Lamp Socket / Connector plates. Typical signs include warpage, cracks, or a plate that no longer locates the assembly. Confirm which plate the notes describe — backing plates, clutch plates and strike plates are different parts. Read more

9 Tail Lamp Socket / Connector Plate parts are listed for the 2007 Cadillac CTS, from STANDARD MOTOR PRODUCTS, WELLS, DORMAN and 4 other brands. DORMAN 85881 carries the "Popular" badge.

Part numbers include DORMAN 85881, STANDARD MOTOR PRODUCTS S585 and FAMOUS BRAND PTA1237, among others listed above.