This page lists 183 electrical bulb & socket parts for the 2007 Cadillac STS, across 19 part types, covering all 3 engine options (3.6L V6, 4.4L V8 Supercharged and 4.6L V8). Every part shows its brand, manufacturer part number and fitment notes.
On the 2007 Cadillac STS, the bulb and socket system covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination. Most of the listed parts are Headlamp Bulb (39 parts), Fog / Driving Lamp Bulb (29 parts) and Headlamp Socket (28 parts). The other 16 part types cover the remaining 87 parts.
The 2007 Cadillac STS was sold with 3 engines. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
14 brands supply electrical bulb & socket parts for the 2007 Cadillac STS, led by SYLVANIA (42 parts), HELLA (35 parts) and WAGNER (34 parts), plus 11 more brands. Quality grades include Standard Replacement, Extra Bright and Extended Life.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2007 Cadillac STS. 36 parts have it, including HELLA 3157 (Back Up / Reverse Lamp Bulb) and PHILIPS 3757NALL (Daytime Running Light Bulb). Each part number opens a page with every vehicle that part fits.
Back Up / Reverse Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: 3.6L V6 | 3157LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Incandescent27/8W | View on Amazon |
| SYLVANIA Fits: 3.6L V6 | 3157LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Base Type: W2.5x16qLong Life | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 3.6L V6 | 3157ST | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Silver StarCool White | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Fits: 3.6L V6 | 3157WLED | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Ultinon LEDWhite | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: 3.6L V6 | 3157 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Incandescent27/7W | View on Amazon |
| SYLVANIA Popular Fits: 3.6L V6 | 3157 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Base Type: W2.5x16qWattage: 27.00 W | View on Amazon |
| ACDELCO Fits: 3.6L V6 | 3157KX | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| WAGNER Fits: 3.6L V6 | 3157KX | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
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.
8 Back Up / Reverse Lamp Bulb parts for the 2007 Cadillac STS come from 5 brands — SYLVANIA, HELLA, PHILIPS and 2 other brands. The "Popular" part is HELLA 3157.
In the Extended Life grade, HELLA and SYLVANIA supply 2 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 1 option from PHILIPS — grouped under the catalog's "LED (instant-on, long life, energy-saving)" designation — the notes column spells out what sets them apart. PHILIPS 3157WLED is listed in this group.
In the Standard Replacement grade, HELLA, SYLVANIA, ACDELCO and 1 other brand supply 4 parts: built to original-equipment specification. A representative part number is HELLA 3157.
This group includes HELLA 3157, HELLA 3157LL and SYLVANIA 3157ST and the remaining parts above.
Brake Light Bulb - High Mount
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: 3.6L V6 | 168 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| PHILIPS Fits: 3.6L V6 | PC168 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
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.
2 Brake Light Bulb - High Mount parts for the 2007 Cadillac STS come from 2 brands — HELLA and PHILIPS.
Part numbers include HELLA 168 and PHILIPS PC168.
Daytime Running Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Popular Fits: 3.6L V6 | 3757NALL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Longer LifeNatural Amber | View on Amazon |
| SYLVANIA Fits: 3.6L V6 | 3757ALL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeAmber | View on Amazon |
| WAGNER Fits: 3.6L V6 | 3757NALL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeNatural Amber | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Fits: 3.6L V6 | 3157WLED | 🇲🇽 MX | Ultinon LEDWhite | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: 3.6L V6 | 3157 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Incandescent27/7W | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 23757NAK | 🇺🇸 US 🇨🇦 CA | Natural Amber | View on Amazon |
| HELLA Fits: 3.6L V6 | 3757A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentAverage Rated Life: 600.0 HR | View on Amazon |
| PILOT AUTOMOTIVE Fits: 3.6L V6 | PL3757APK | 🇺🇸 US 🇨🇦 CA | Exterior Bulbs, Standard10 Pack | View on Amazon |
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.
8 Daytime Running Light Bulb parts are listed for the 2007 Cadillac STS, from PHILIPS, HELLA, SYLVANIA and 3 other brands. PHILIPS 3757NALL carries the "Popular" badge.
The Extended Life section: 3 options from PHILIPS, SYLVANIA and WAGNER. PHILIPS 3757NALL 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: 4 options from HELLA, GM GENUINE and PILOT AUTOMOTIVE. HELLA 3157 is listed in this group.
Listed part numbers: PHILIPS 3757NALL and SYLVANIA 3757ALL, plus the other parts above.
Dome Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 3.6L V6 | 2122LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Base Type: Double-End CapLong Life | View on Amazon |
| WAGNER Fits: 3.6L V6 | 2122LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeDouble End Cap Base | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Popular Fits: 3.6L V6 | 212WSMD | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Wattage: 1.44 WBulb Material Color: | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Popular Fits: 3.6L V6 | 2122 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits or Standard | View on Amazon |
| SYLVANIA Fits: 3.6L V6 | 2122 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| WAGNER Fits: 3.6L V6 | 2122 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Double End Cap Base9.990 Watt | View on Amazon |
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.
6 Dome Light Bulb parts for the 2007 Cadillac STS come from 4 brands — SYLVANIA, WAGNER, DORMAN and 1 other brand. The "Popular" part is DORMAN 212WSMD.
Extended Life: 2 parts, from SYLVANIA and WAGNER. A representative part number is SYLVANIA 2122LL.
The LED (instant-on, long life, energy-saving) section: 1 option from DORMAN. DORMAN 212WSMD is listed in this group.
Standard Replacement: 3 parts, from PHILIPS, SYLVANIA and WAGNER. A representative part number is PHILIPS 2122.
Part numbers include DORMAN 212WSMD and SYLVANIA 2122LL, among others listed above.
Fog / Driving Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: 3.6L V6 | H3HD | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Bulb Technology: HalogenSocket Type Bulb: PK22S | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PILOT AUTOMOTIVE Popular Fits: 3.6L V6 | WIH3BP | 🇺🇸 US 🇨🇦 CA | Driving And Fog LightEXTERIOR BULBS,FOG LIGHT - STANDARD - HYPERWHITE QUARTZ H3 Auxiliary - LAMP BULBS - COMPARE withoutRIGINAL | View on Amazon |
| HELLA Fits: 3.6L V6 | H3100W | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | HalogenSocket Type Bulb: PK22S | View on Amazon |
| HELLA Fits: 3.6L V6 | H3P50 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | HalogenPerformance 50+ | View on Amazon |
| HELLA Fits: 3.6L V6 | H3130W | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Halogen130 Watt | View on Amazon |
| HELLA Fits: 3.6L V6 | H320 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | HalogenSocket Type Bulb: PK22S | View on Amazon |
| PHILIPS Fits: 3.6L V6 | H3PR | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Vision30% More Light | View on Amazon |
| PHILIPS Fits: 3.6L V6 | H3CV | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Crystal Vision UltraBright White Xenon-Look | View on Amazon |
| PHILIPS Fits: 3.6L V6 | H3CVP | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Crystal Vision PlatinumUp to 60% More Light | View on Amazon |
| SYLVANIA Fits: 3.6L V6 | H3ST | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Silver StarColor Temperature: 4000 KV | View on Amazon |
| WAGNER Fits: 3.6L V6 | H3TVX | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Truview PlusPK22S Base | View on Amazon |
| WAGNER Fits: 3.6L V6 | H3BLX | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BritelitePK22S Base | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: 3.6L V6 | 226971511 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Socket Type Bulb: PK22S | View on Amazon |
| HELLA Fits: 3.6L V6 | 226971531 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Socket Type Bulb: PX26DVerify Connector Before Ordering Some Systems May Require CANBUS Module | View on Amazon |
| PHILIPS Fits: 3.6L V6 | H3USLED | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Ultinon Sport LED | View on Amazon |
| WAGNER Fits: 3.6L V6 | H3LED | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LED | View on Amazon |
Reduced Glare (for rain, fog, snow, or rural driving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: 3.6L V6 | H3YL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 2900KHalogen | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Popular Fits: 3.6L V6 | H3 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front | View on Amazon |
| PILOT AUTOMOTIVE Popular Fits: 3.6L V6 | PLH3K | 🇺🇸 US 🇨🇦 CA | StandardHalogen | View on Amazon |
| PILOT AUTOMOTIVE Popular Fits: 3.6L V6 | XBH3B | 🇺🇸 US 🇨🇦 CA | Driving And Fog LightFOG LIGHT | View on Amazon |
| WAGNER Popular Fits: 3.6L V6 | 1255H3 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | FrontHalogen Capsule | View on Amazon |
| HELLA Fits: 3.6L V6 | H3 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | HalogenSocket Type Bulb: PK22S | View on Amazon |
| PILOT AUTOMOTIVE Fits: 3.6L V6 | PLH355WPK | 🇺🇸 US 🇨🇦 CA | Driving And Fog LightEXTERIOR BULBS,FOG LIGHT - STANDARD - SINGLE PACK - COMPARE withoutRIGINAL | View on Amazon |
| SYLVANIA Fits: 3.6L V6 | H3 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Base Type: PK22Wattage: 55.00 W | View on Amazon |
| WAGNER Fits: 3.6L V6 | 1210H3 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Glass:Clear (T3-1/2),# of Filaments:1,Watts:55,Base:Pigtail (PK22S) | View on Amazon |
| WAGNER Fits: 3.6L V6 | 2470H3 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Glass:Clear (T3-1/2),# of Filaments:1,Watts:55,Base:Pigtail (PK22S) | View on Amazon |
| WAGNER Fits: 3.6L V6 | 1213H3 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Glass:Clear (T3-1/2),# of Filaments:1,Watts:55,Base:Pigtail (PK22S) | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 3.6L V6 | H324V | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | OEM | View on Amazon |
| SYLVANIA Fits: 3.6L V6 | H3SZ | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Silver Star zXeBase Type: PK22 | View on Amazon |
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.
29 Fog / Driving Lamp Bulb parts are listed for the 2007 Cadillac STS, from HELLA, WAGNER, PHILIPS and 2 other brands. PILOT AUTOMOTIVE WIH3BP carries the "Popular" badge. Grades run from Extended Life through Standard Replacement; Extra Bright (improved visibility, but shorter life) is the most populated section, led by HELLA, PHILIPS, WAGNER and 2 other brands.
Fog / Driving Lamp Socket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 3.6L V6 | S2611 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Connector Shape: OvalContact Terminal Material: Plastic | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 3.6L V6 | LWH110 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Blue StreakHigh Temperature | View on Amazon |
| WALKER PRODUCTS Fits: 3.6L V6 | 2701120 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Terminal Gender: Female | View on Amazon |
| WELLS Fits: 3.6L V6 | 1P3543 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Used with H1, H3 BulbWiring Harness | View on Amazon |
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.
4 Fog / Driving Lamp Socket parts are listed for the 2007 Cadillac STS, from STANDARD MOTOR PRODUCTS, WALKER PRODUCTS and WELLS.
Listed part numbers: STANDARD MOTOR PRODUCTS S2611, STANDARD MOTOR PRODUCTS LWH110 and WALKER PRODUCTS 2701120, plus the other parts above.
Headlamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: 3.6L V6 | H11LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long Life | View on Amazon |
| HELLA Fits: 3.6L V6 | 9005LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | HalogenSocket Type Bulb: P20D | View on Amazon |
| HELLA Fits: 3.6L V6 | H11LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | HalogenSocket Type Bulb: PGJ19-2 | View on Amazon |
| SYLVANIA Fits: 3.6L V6 | 9005LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long Life | View on Amazon |
| WAGNER Fits: 3.6L V6 | 1255H11LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long Life | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: 3.6L V6 | 9005P50 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | HalogenPerformance 50+ | View on Amazon |
| HELLA Fits: 3.6L V6 | H11P50 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | HalogenPerformance 50+ | View on Amazon |
| HELLA Fits: 3.6L V6 | H1120 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | HalogenSocket Type Bulb: PGJ19-2 | View on Amazon |
| SYLVANIA Fits: 3.6L V6 | 9005XV | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Xtra VisionColor Temperature: 3200 KV | View on Amazon |
| SYLVANIA Fits: 3.6L V6 | H11XV | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Xtra VisionColor Temperature: 3200 KV | View on Amazon |
| SYLVANIA Fits: 3.6L V6 | 9005SU | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Silver Star UltraColor Temperature: 4100 KV | View on Amazon |
| SYLVANIA Fits: 3.6L V6 | H11SU | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Silver Star UltraColor Temperature: 4100 KV | View on Amazon |
| SYLVANIA Fits: 3.6L V6 | 9005ST | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Silver StarColor Temperature: 4000 KV | View on Amazon |
| SYLVANIA Fits: 3.6L V6 | H11ST | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Color Temperature: 4000 KVSilver Star | View on Amazon |
| SYLVANIA Fits: 3.6L V6 | 9005SZG | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Silver Star zXe GOLDColor Temperature: 4200 KV | View on Amazon |
| SYLVANIA Fits: 3.6L V6 | H11SZGP | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Silver Star zXe GOLDBase Type: PGJ19 | View on Amazon |
| WAGNER Fits: 3.6L V6 | 9005TVX | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | HID Look | View on Amazon |
| WAGNER Fits: 3.6L V6 | 9005BLX | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long Life80% More Light | View on Amazon |
| WAGNER Fits: 3.6L V6 | H11BLX | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BritelitePGJ19-2 Base | View on Amazon |
| WAGNER Fits: 3.6L V6 | H11TVX | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Truview Plus1.733 Base | View on Amazon |
HID (intense white light)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: 3.6L V6 | D1S4300K | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 4300KSocket Type Bulb: PK32D-2 | View on Amazon |
| HELLA Fits: 3.6L V6 | D1S5000K | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 5000KSocket Type Bulb: PK32D-2 | View on Amazon |
| PHILIPS Fits: 3.6L V6 | D1S | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits Low Beamor Low Beamwith HID headlamps | View on Amazon |
| SYLVANIA Fits: 3.6L V6 | D1S | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Low Beamwith HID Headlights | View on Amazon |
| SYLVANIA Fits: 3.6L V6 | D1SSZ | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Silver Star zXe | View on Amazon |
| WAGNER Fits: 3.6L V6 | D1S | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Xenon Gas | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 3.6L V6 | 9005SL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LED | View on Amazon |
Reduced Glare (for rain, fog, snow, or rural driving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: 3.6L V6 | 9005YL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Halogen2900K | View on Amazon |
| HELLA Fits: 3.6L V6 | H11YL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | HalogenSocket Type Bulb: PGJ19-2 | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: 3.6L V6 | 9005 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | HalogenSocket Type Bulb: P20D | View on Amazon |
| SYLVANIA Popular Fits: 3.6L V6 | 9005 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Base Type: P20D | View on Amazon |
| SYLVANIA Popular Fits: 3.6L V6 | H11 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Base Type: PGJ19-2 | View on Amazon |
| WAGNER Popular Fits: 3.6L V6 | 1255H11 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Bulb Color: Clear | View on Amazon |
| ACDELCO Fits: 3.6L V6 | 19351924 | 🇺🇸 US 🇨🇦 CA | GM Original EquipmentBeam Type: High Beam | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 9005 | 🇺🇸 US 🇨🇦 CA | Leftwith Trade # 9005 | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 13503417 | 🇺🇸 US 🇨🇦 CA | Low BeamTrade # 11 | View on Amazon |
| HELLA Fits: 3.6L V6 | H11 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | HalogenSocket Type Bulb: PGJ19-2 or Socket Type Bulb: PGJY19-2 | View on Amazon |
| WAGNER Fits: 3.6L V6 | 9005 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Voltage: 12.800 Volts (Direct Current) | View on Amazon |
| WAGNER Fits: 3.6L V6 | 9005L | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long Life | View on Amazon |
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.
39 Headlamp Bulb parts are listed for the 2007 Cadillac STS, from SYLVANIA, HELLA, WAGNER and 3 other brands. SYLVANIA H11LL carries the "Popular" badge. Grades run from Extended Life through Standard Replacement; Extra Bright (improved visibility, but shorter life) is the most populated section, led by SYLVANIA, WAGNER and HELLA.
Headlamp Socket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Popular Fits: 3.6L V6 | 84783 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | H8/H11 HARNESS | View on Amazon |
| SKP Popular Fits: 3.6L V6 | SKS553 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits Low Beamor Black and Blu | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular Fits: 3.6L V6 | HP3970 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Handypack | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular Fits: 3.6L V6 | S524 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Weather Resistant: YES | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular Fits: 3.6L V6 | HP3835 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | HandypackConnector Shape: Oval | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular Fits: 3.6L V6 | S553 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Connector Shape: OvalContact Terminal Material: Metal | View on Amazon |
| ACDELCO Fits: 3.6L V6 | LS255 | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| ACDELCO Fits: 3.6L V6 | PT2298 | 🇺🇸 US 🇨🇦 CA | GoldHeight (In): 1.5 in | View on Amazon |
| DORMAN Fits: 3.6L V6 | 84792 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | High Temperature SocketHigh Beam Headlight 9005 Bulb | View on Amazon |
| DORMAN Fits: 3.6L V6 | 85812 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Black2-Wire Halogen High Beam Headlight 9005 Bulb | View on Amazon |
| DORMAN Fits: 3.6L V6 | 645993 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Low BeamHigh Temperature Harness | View on Amazon |
| DORMAN Fits: 3.6L V6 | 90803 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Low BeamCeramic Socket | View on Amazon |
| DORMAN Fits: 3.6L V6 | 645187 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 3 WayFemale with Leads | View on Amazon |
| DORMAN Fits: 3.6L V6 | 90807 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Black | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | PT168 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | PT3880 | 🇺🇸 US 🇨🇦 CA | Gray6-Way Female | View on Amazon |
| ROSTRA Fits: 3.6L V6 | 610023 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| ROSTRA Fits: 3.6L V6 | 610001 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Factory Halogen HeadlightsLow Beam | View on Amazon |
| SKP Fits: 3.6L V6 | SKS524 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits with HID HeadlightsHigh Beam | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 3.6L V6 | S2611 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Connector Shape: OvalContact Terminal Material: Plastic | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: 3.6L V6 | CON67 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with High Beam Control | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: 3.6L V6 | CON78 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Low Beamwith Factory Halogen Headlights | View on Amazon |
| WALKER PRODUCTS Fits: 3.6L V6 | 2701125 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | High Beam | View on Amazon |
| WALKER PRODUCTS Fits: 3.6L V6 | 2701120 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Terminal Gender: Female | View on Amazon |
| WELLS Fits: 3.6L V6 | 6S1047 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Gender: MaleWire Gauge Measurement: 18 | View on Amazon |
| WELLS Fits: 3.6L V6 | 1P3539 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | High Beamwith Bulb # 9005 | View on Amazon |
| WELLS Fits: 3.6L V6 | 1P2076 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits Low Beamwith Factory Halogen Headlightsor with Factory Halogen Headlights | View on Amazon |
| WELLS Fits: 3.6L V6 | 1P3537 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Used with H11 BulbLow Beam | View on Amazon |
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.
28 Headlamp Socket parts are listed for the 2007 Cadillac STS, from DORMAN, STANDARD MOTOR PRODUCTS, WELLS and 6 other brands. DORMAN 84783 carries the "Popular" badge. The notes list position, dimensions and spec qualifiers wherever the manufacturer distinguishes between variants.
LED Bulb Adapter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Fits: 3.6L V6 | CB900590069012 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LEDFor 9005 / 9006 / 9012 Bulb | View on Amazon |
| WAGNER Fits: 3.6L V6 | CBH8H11H16 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | For H8 / H11 / H16 Bulb | View on Amazon |
| WAGNER Fits: 3.6L V6 | CBH1H3 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | For H1 / H3 Bulb | View on Amazon |
This table covers the LED Bulb adapters.
WAGNER supplies the 3 LED Bulb Adapter parts for the 2007 Cadillac STS.
This group includes WAGNER CB900590069012, WAGNER CBH8H11H16 and WAGNER CBH1H3.
License Plate Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 3.6L V6 | 2825LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeBase Type: W2.1x9.5d | View on Amazon |
| WAGNER Fits: 3.6L V6 | 17177LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeW2.1x9.5d Base | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 3.6L V6 | 2825ST | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BlueSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: 3.6L V6 | 921LED5K | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LED Miniature Bulb with Color Temperature of 5000KSocket Type Bulb: SV8.5-8 | View on Amazon |
| SYLVANIA Fits: 3.6L V6 | 2825SL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LEDCool White | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: 3.6L V6 | 2825 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 13500812 | 🇺🇸 US 🇨🇦 CA | TRADE # W5WLL | View on Amazon |
| HELLA Fits: 3.6L V6 | 2825BL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| SYLVANIA Fits: 3.6L V6 | 2825 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Base Type: W2.1x9.5dWattage: 5.00 W | View on Amazon |
| WAGNER Fits: 3.6L V6 | 17177 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | W2.1x9.5d Base5.000 Watt | View on Amazon |
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.
10 License Plate Lamp Bulb parts for the 2007 Cadillac STS come from 4 brands — SYLVANIA, HELLA, WAGNER 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: 5 parts, from HELLA, GM GENUINE, SYLVANIA and 1 other brand. A representative part number is HELLA 2825.
Map / Reading Light Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: 3.6L V6 | 9442441 | 🇺🇸 US 🇨🇦 CA | GM Original EquipmentTerminal Type: Pressure Contact | View on Amazon |
| PHILIPS Fits: 3.6L V6 | PC168 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
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.
2 Map / Reading Light Bulb parts for the 2007 Cadillac STS come from 2 brands — ACDELCO and PHILIPS.
Listed part numbers: ACDELCO 9442441 and PHILIPS PC168.
Overhead Console Light Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: 3.6L V6 | 9442441 | 🇺🇸 US 🇨🇦 CA | GM Original EquipmentTerminal Type: Pressure Contact | View on Amazon |
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.
This group shows a single part: ACDELCO 9442441.
Parking Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Popular Fits: 3.6L V6 | 3757NALL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Longer LifeNatural Amber | View on Amazon |
| SYLVANIA Fits: 3.6L V6 | 3757ALL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeAmber | View on Amazon |
| WAGNER Fits: 3.6L V6 | 3757NALL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeNatural Amber | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | W5WB50X2 | 🇺🇸 US 🇨🇦 CA | FrontTRADE # W5WB50X2 | View on Amazon |
| HELLA Fits: 3.6L V6 | 3757A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentAverage Rated Life: 600.0 HR | View on Amazon |
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.
5 Parking Lamp Bulb parts are listed for the 2007 Cadillac STS, from PHILIPS, SYLVANIA, WAGNER and 2 other brands. PHILIPS 3757NALL carries the "Popular" badge.
The Extended Life section: 3 options from PHILIPS, SYLVANIA and WAGNER. PHILIPS 3757NALL is listed in this group.
The Standard Replacement section: 2 options from GM GENUINE and HELLA. GM GENUINE W5WB50X2 is listed in this group.
This group includes PHILIPS 3757NALL and SYLVANIA 3757ALL and the remaining parts above.
Side Marker Lamp Socket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular Fits: 3.6L V6 | S789 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Gray | View on Amazon |
| ACDELCO Fits: 3.6L V6 | LS176 | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| ROSTRA Fits: 3.6L V6 | 610191 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 3.6L V6 | HP4555 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Handy PackGray | View on Amazon |
| WELLS Fits: 3.6L V6 | 1P1412 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Wiring Harness Length: 8.59 In | View on Amazon |
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.
5 Side Marker Lamp Socket parts for the 2007 Cadillac STS come from 4 brands — STANDARD MOTOR PRODUCTS, ACDELCO, ROSTRA and 1 other brand. The "Popular" part is STANDARD MOTOR PRODUCTS S789.
This group includes STANDARD MOTOR PRODUCTS S789, ACDELCO LS176 and ROSTRA 610191 and the remaining parts above.
Side Marker Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: 3.6L V6 | 194LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentLong Life | View on Amazon |
| SYLVANIA Fits: 3.6L V6 | 194LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeBase Type: W2.1x9.2d | View on Amazon |
| SYLVANIA Fits: 3.6L V6 | 2825LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeBase Type: W2.1x9.5d | View on Amazon |
| WAGNER Fits: 3.6L V6 | 194LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeBulb Type: T-3-1/4 Bulb 13/32 (10mm) Diameter | View on Amazon |
| WAGNER Fits: 3.6L V6 | 17177LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeW2.1x9.5d Base | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 3.6L V6 | 2825ST | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BlueSilver Star | View on Amazon |
| SYLVANIA Fits: 3.6L V6 | 194ST | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Color Temperature: 3200 KVSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 3.6L V6 | 194BSL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LEDBlue | View on Amazon |
| SYLVANIA Fits: 3.6L V6 | 194SL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LEDCool White | View on Amazon |
| SYLVANIA Fits: 3.6L V6 | 2825SL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LEDCool White | View on Amazon |
| WAGNER Fits: 3.6L V6 | 194LEDW | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LEDGlass:Clear (T3-1/4), Number of Filaments:1, Watts:3.78 (0.16 cp), Base:Wedge (W2.1x9.5d) | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: 3.6L V6 | 2825 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| HELLA Popular Fits: 3.6L V6 | 194 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Brightness: 2.0 CPIncandescent | View on Amazon |
| SYLVANIA Popular Fits: 3.6L V6 | 194 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Base Type: W2.1x9.2dWattage: 3.80 W | View on Amazon |
| WAGNER Popular Fits: 3.6L V6 | 194 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Wedge Base3.780 Watt | View on Amazon |
| HELLA Fits: 3.6L V6 | 2825BL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| SYLVANIA Fits: 3.6L V6 | 2825 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Base Type: W2.1x9.5dWattage: 5.00 W | View on Amazon |
| WAGNER Fits: 3.6L V6 | 17177 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | W2.1x9.5d Base5.000 Watt | View on Amazon |
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.
18 Side Marker Light Bulb parts for the 2007 Cadillac STS come from 3 brands — SYLVANIA, WAGNER and HELLA. 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 and WAGNER. A representative part number is HELLA 2825.
Step / Courtesy Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: 3.6L V6 | 906LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeBase Type: W2.1x9.2d | View on Amazon |
| WAGNER Fits: 3.6L V6 | 906LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeWedge Base | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Popular Fits: 3.6L V6 | 906 | 🇺🇸 US 🇨🇦 CA | Step or Courtesy LightCourtesy | View on Amazon |
| ACDELCO Fits: 3.6L V6 | L906 | 🇺🇸 US 🇨🇦 CA | GoldTerminal Type: Spade | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 19115808 | 🇺🇸 US 🇨🇦 CA | Front | View on Amazon |
| SYLVANIA Fits: 3.6L V6 | 906 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Base Type: W2.1x9.2dWattage: 9.00 W | View on Amazon |
| WAGNER Fits: 3.6L V6 | 906 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Wedge Base8.970 Watt | View on Amazon |
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.
7 Step / Courtesy Light Bulb parts for the 2007 Cadillac STS come from 5 brands — SYLVANIA, WAGNER, PHILIPS and 2 other brands. The "Popular" part is SYLVANIA 906LL.
Extended Life: 2 parts, from SYLVANIA and WAGNER. A representative part number is SYLVANIA 906LL.
Standard Replacement: 5 parts, from PHILIPS, ACDELCO, GM GENUINE and 2 other brands. A representative part number is PHILIPS 906.
Part numbers include SYLVANIA 906LL and PHILIPS 906, among others listed above.
Tail Lamp Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: 3.6L V6 | 2825 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
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.
One part is listed for the 2007 Cadillac STS — HELLA 2825.
Trunk / Cargo Area Light Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Fits: 3.6L V6 | 2112 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
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.
One part is listed for the 2007 Cadillac STS — PHILIPS 2112.
Turn Signal Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 3.6L V6 | 3757ALL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeAmber | View on Amazon |
| WAGNER Fits: 3.6L V6 | 3757NALL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeNatural Amber | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: 3.6L V6 | 3757A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentAverage Rated Life: 600.0 HR | View on Amazon |
| PILOT AUTOMOTIVE Popular Fits: 3.6L V6 | PL3757APK | 🇺🇸 US 🇨🇦 CA | FrontExterior Bulbs,Standard | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 13500812 | 🇺🇸 US 🇨🇦 CA | FrontTRADE # W5WLL | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 23757NAK | 🇺🇸 US 🇨🇦 CA | Natural Amber | View on Amazon |
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.
6 Turn Signal Lamp Bulb parts for the 2007 Cadillac STS come from 5 brands — GM GENUINE, SYLVANIA, WAGNER and 2 other brands. The "Popular" part is HELLA 3757A.
Extended Life: 2 parts, from SYLVANIA and WAGNER. A representative part number is SYLVANIA 3757ALL.
Standard Replacement: 4 parts, from GM GENUINE, HELLA and PILOT AUTOMOTIVE. A representative part number is HELLA 3757A.
Listed part numbers: HELLA 3757A, SYLVANIA 3757ALL and WAGNER 3757NALL, plus the other parts above.
Buying Electrical Bulb & Socket Parts for a 2007 Cadillac STS
On this vehicle, the bulb and socket system covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination.
- Match the engine first. Every electrical bulb & socket part here is engine-specific; each row shows which engine(s) it fits.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace bulbs in pairs so both sides age together, and put a smear of dielectric grease on the new socket contacts.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Headlamp Bulb and Fog / Driving Lamp Bulb .
Frequently Asked Questions
How many electrical bulb & socket parts fit the 2007 Cadillac STS?
Our catalog currently lists 183 electrical bulb & socket parts for the 2007 Cadillac STS across 19 subcategories and 14 brands, covering all 3 engine options (3.6L V6, 4.4L V8 Supercharged and 4.6L V8). Each part is matched to the engine(s) it fits.
Do electrical bulb & socket parts differ between 2007 Cadillac STS engines?
Yes. Every electrical bulb & socket part on this page is engine-specific. Each row shows which engine(s) it fits — use the filter at the top to hide the rest. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of electrical bulb & socket problems on a 2007 Cadillac STS?
Common symptoms include a lamp that flickers over bumps, melted or discolored socket plastic, or bulbs that keep failing early on one side. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What should I replace at the same time?
Where labor overlaps, replace bulbs in pairs so both sides age together, and put a smear of dielectric grease on the new socket contacts.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2007 Cadillac STS was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 2007 Cadillac STS?
First match the engine — each row shows which engine(s) the part fits. Then repeated bulb failure in one position usually means a socket or ground problem, not bad bulbs — replace the socket rather than chase it. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2007 Cadillac STS
Electrical Bulb & Socket Parts for Other Cadillac STS Years
Switch vehicle or jump to a subcategory
Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.