The 2007 Cadillac BLS has 142 electrical bulb & socket parts with verified fitment on this page — 14 part types and 4 brands, covering the 2.0L L4 Turbocharged engine. Each part includes a manufacturer part number and application notes.
On the 2007 Cadillac BLS, the bulb and socket system covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination. 49 parts of the 142 listed are Fog / Driving Lamp Bulb (18 parts), Turn Signal Lamp Bulb (16 parts) and Tail Lamp Bulb (15 parts). The other 11 part types cover the remaining 93 parts.
Every part on this page is matched to the 2.0L L4 Turbocharged — the only engine offered in the 2007 Cadillac BLS.
The most listed brands for 2007 Cadillac BLS electrical bulb & socket parts are HELLA (48 parts), WAGNER (44 parts) and SYLVANIA (30 parts), plus 1 more brand. Quality grades include Standard Replacement, Extended Life and Extra Bright.
33 parts on this 2007 Cadillac BLS page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including HELLA 7506 (Back Up / Reverse Lamp Bulb) and SYLVANIA 7506LL (Brake Light Bulb). Click any part number to see every vehicle that part fits.
Back Up / Reverse Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 7506ALL | 🇲🇽 MX | IncandescentAmber | View on Amazon |
| HELLA | 7506LL | 🇲🇽 MX | IncandescentLong Life | View on Amazon |
| SYLVANIA | 7506LL | 🇲🇽 MX | Long LifeBase Type: BA15S | View on Amazon |
| WAGNER | 17635LL | 🇲🇽 MX | Long LifeBA15S Base | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | 7506ST | 🇲🇽 MX | Cool WhiteSilver Star | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular | 7506 | 🇲🇽 MX | IncandescentSocket Type Bulb: BA15S | View on Amazon |
| HELLA Popular | 6418 | 🇲🇽 MX | IncandescentSocket Type Bulb: SV8.5-8 | View on Amazon |
| HELLA Popular | 7507 | 🇲🇽 MX | IncandescentSocket Type Bulb: S8.5d or Socket Type Bulb: BAU15S | View on Amazon |
| HELLA | 7506A | 🇲🇽 MX | IncandescentBulb Diameter: 26.5 mm | View on Amazon |
| HELLA | 7506NA | 🇲🇽 MX | IncandescentNatural Amber | View on Amazon |
| SYLVANIA | 7506 | 🇲🇽 MX | Base Type: BA15SWattage: 25.00 W | View on Amazon |
| WAGNER | 17635 | 🇲🇽 MX | BA15S Base21.000 Watt | View on Amazon |
| WAGNER | 7506L | 🇲🇽 MX | Long LifeBulb Type: T-6 Bulb 3/4 (19mm) Diameter | 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.
13 Back Up / Reverse Lamp Bulb parts are listed for the 2007 Cadillac BLS, from HELLA, SYLVANIA and WAGNER. HELLA 7506 carries the "Popular" badge.
The Extended Life section lists 4 options from HELLA, SYLVANIA and WAGNER — grouped under the catalog's "Extended Life" designation — the notes column spells out what sets them apart. HELLA 7506ALL is listed in this group.
The Extra Bright (improved visibility, but shorter life) section lists 1 option from SYLVANIA — grouped under the catalog's "Extra Bright (improved visibility, but shorter life)" designation — the notes column spells out what sets them apart. SYLVANIA 7506ST is listed in this group.
The Standard Replacement section lists 8 options from HELLA, WAGNER and SYLVANIA — built to original-equipment specification. HELLA 7506 is listed in this group.
Brake Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular | 7506LL | 🇲🇽 MX | Long LifeBase Type: BA15S | View on Amazon |
| HELLA | 7506ALL | 🇲🇽 MX | IncandescentAmber | View on Amazon |
| HELLA | 7506LL | 🇲🇽 MX | IncandescentLong Life | View on Amazon |
| WAGNER | 17635LL | 🇲🇽 MX | Long LifeBA15S Base | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | 7506ST | 🇲🇽 MX | Cool WhiteSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Popular | 1156RLED | 🇲🇽 MX | VisionLED | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular | 7506 | 🇲🇽 MX | IncandescentSocket Type Bulb: BA15S | View on Amazon |
| HELLA | 7506A | 🇲🇽 MX | IncandescentBulb Diameter: 26.5 mm | View on Amazon |
| HELLA | 7506NA | 🇲🇽 MX | IncandescentNatural Amber | View on Amazon |
| SYLVANIA | 7506 | 🇲🇽 MX | Base Type: BA15SWattage: 25.00 W | View on Amazon |
| WAGNER | 17635 | 🇲🇽 MX | BA15S Base21.000 Watt | View on Amazon |
| WAGNER | 7506L | 🇲🇽 MX | Long LifeBulb Type: T-6 Bulb 3/4 (19mm) Diameter | View on Amazon |
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.
12 Brake Light Bulb parts are listed for the 2007 Cadillac BLS, from HELLA, SYLVANIA, WAGNER and 1 other brand. SYLVANIA 7506LL carries the "Popular" badge.
The Extended Life section: 4 options from HELLA, SYLVANIA and WAGNER. SYLVANIA 7506LL is listed in this group.
The Extra Bright (improved visibility, but shorter life) section: 1 option from SYLVANIA. SYLVANIA 7506ST is listed in this group.
In the LED (instant-on, long life, energy-saving) grade, PHILIPS supplies 1 part: grouped under the catalog's "LED (instant-on, long life, energy-saving)" designation — the notes column spells out what sets them apart. A representative part number is PHILIPS 1156RLED.
The Standard Replacement section: 6 options from HELLA, WAGNER and SYLVANIA. HELLA 7506 is listed in this group.
Dome Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular | 2825LL | 🇲🇽 MX | Long LifeBase Type: W2.1x9.5d | View on Amazon |
| PHILIPS | 6411LL | 🇲🇽 MX | Longer Life | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | 2825ST | 🇲🇽 MX | BlueSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS | 6411WLED | 🇲🇽 MX | Ultinon LEDWhite | View on Amazon |
| SYLVANIA | 2825SL | 🇲🇽 MX | LEDCool White | View on Amazon |
| WAGNER | 6411WLED | 🇲🇽 MX | LED1.4 Watt | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular | 2825 | 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| SYLVANIA Popular | 2825 | 🇲🇽 MX | Base Type: W2.1x9.5dWattage: 5.00 W | View on Amazon |
| HELLA | 2825BL | 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| HELLA | 6411 | 🇲🇽 MX | IncandescentSocket Type Bulb: SV8.5-8 | View on Amazon |
| WAGNER | 17314 | 🇲🇽 MX | SV8.5 Base10.000 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.
11 Dome Light Bulb parts are listed for the 2007 Cadillac BLS, from SYLVANIA, HELLA, PHILIPS and 1 other brand. SYLVANIA 2825LL carries the "Popular" badge.
The Extended Life section: 2 options from SYLVANIA and PHILIPS. 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): 3 parts, from PHILIPS, SYLVANIA and WAGNER. A representative part number is PHILIPS 6411WLED.
The Standard Replacement section: 5 options from HELLA, SYLVANIA and WAGNER. HELLA 2825 is listed in this group.
Fog / Driving Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 7506ALL | 🇲🇽 MX | IncandescentAmber | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS | H3PR | 🇲🇽 MX | Vision30% More Light | View on Amazon |
| PHILIPS | H3CV | 🇲🇽 MX | Crystal Vision UltraBright White Xenon-Look | View on Amazon |
| PHILIPS | H3CVP | 🇲🇽 MX | Crystal Vision PlatinumUp to 60% More Light | View on Amazon |
| WAGNER | H3TVX | 🇲🇽 MX | Truview PlusPK22S Base | View on Amazon |
| WAGNER | H3BLX | 🇲🇽 MX | BritelitePK22S Base | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS | H3USLED | 🇲🇽 MX | Ultinon Sport LED | View on Amazon |
| WAGNER | H3LED | 🇲🇽 MX | LED | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular | 7506 | 🇲🇽 MX | IncandescentSocket Type Bulb: BA15S | View on Amazon |
| PHILIPS Popular | 12088 | 🇲🇽 MX | Rear | View on Amazon |
| PHILIPS Popular | H3 | 🇲🇽 MX | Front | View on Amazon |
| WAGNER Popular | 1255H3 | 🇲🇽 MX | FrontHalogen Capsule | View on Amazon |
| HELLA | 7506A | 🇲🇽 MX | IncandescentBulb Diameter: 26.5 mm | View on Amazon |
| HELLA | H3 | 🇲🇽 MX | HalogenSocket Type Bulb: PK22S | View on Amazon |
| HELLA | 7506NA | 🇲🇽 MX | IncandescentNatural Amber | View on Amazon |
| WAGNER | 1210H3 | 🇲🇽 MX | Glass:Clear (T3-1/2),# of Filaments:1,Watts:55,Base:Pigtail (PK22S) | View on Amazon |
| WAGNER | 2470H3 | 🇲🇽 MX | Glass:Clear (T3-1/2),# of Filaments:1,Watts:55,Base:Pigtail (PK22S) | View on Amazon |
| WAGNER | 1213H3 | 🇲🇽 MX | Glass:Clear (T3-1/2),# of Filaments:1,Watts:55,Base:Pigtail (PK22S) | 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.
18 Fog / Driving Lamp Bulb parts for the 2007 Cadillac BLS come from 3 brands — WAGNER, PHILIPS and HELLA. The "Popular" part is HELLA 7506.
Extended Life: 1 part, from HELLA. A representative part number is HELLA 7506ALL.
Extra Bright (improved visibility, but shorter life): 5 parts, from PHILIPS and WAGNER. A representative part number is PHILIPS H3PR.
The LED (instant-on, long life, energy-saving) section: 2 options from PHILIPS and WAGNER. PHILIPS H3USLED is listed in this group.
Standard Replacement: 10 parts, from HELLA, WAGNER and PHILIPS. A representative part number is HELLA 7506.
Glove Box Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS | 6411LL | 🇲🇽 MX | Longer Life | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS | 6411WLED | 🇲🇽 MX | Ultinon LEDWhite | View on Amazon |
| WAGNER | 6411WLED | 🇲🇽 MX | LED1.4 Watt | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Popular | 17314 | 🇲🇽 MX | SV8.5 Base10.000 Watt | View on Amazon |
| HELLA | 6411 | 🇲🇽 MX | IncandescentSocket Type Bulb: SV8.5-8 | View on Amazon |
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.
5 Glove Box Light Bulb parts for the 2007 Cadillac BLS come from 3 brands — PHILIPS, WAGNER and HELLA. The "Popular" part is WAGNER 17314.
Extended Life: 1 part, from PHILIPS. A representative part number is PHILIPS 6411LL.
The LED (instant-on, long life, energy-saving) section: 2 options from PHILIPS and WAGNER. PHILIPS 6411WLED is listed in this group.
Standard Replacement: 2 parts, from WAGNER and HELLA. A representative part number is WAGNER 17314.
This group includes WAGNER 17314, PHILIPS 6411LL and PHILIPS 6411WLED and the remaining parts above.
Headlamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | H7LL | 🇲🇽 MX | Long Life | View on Amazon |
| WAGNER | 1255H7LL | 🇲🇽 MX | Long Life | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Popular | H7BLX | 🇲🇽 MX | BritelitePX26D Base | View on Amazon |
| SYLVANIA | H7XV | 🇲🇽 MX | Xtra VisionColor Temperature: 3200 KV | View on Amazon |
| SYLVANIA | H7ST | 🇲🇽 MX | Color Temperature: 4000 KVSilver Star | View on Amazon |
| SYLVANIA | H7SU | 🇲🇽 MX | Silver Star UltraColor Temperature: 4100 KV | View on Amazon |
| SYLVANIA | H7SZG | 🇲🇽 MX | Silver Star zXe GOLDColor Temperature: 4200 KV | View on Amazon |
| WAGNER | H7TVX | 🇲🇽 MX | Truview PlusPX26D Base | View on Amazon |
HID (intense white light)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS | D1S | 🇲🇽 MX | Low Beamwith HID headlamps | View on Amazon |
| WAGNER | D1S | 🇲🇽 MX | with Xenon Gas | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular | H7 | 🇲🇽 MX | HalogenSocket Type Bulb: PX26D | View on Amazon |
| WAGNER Popular | 1255H7 | 🇲🇽 MX | Fits High BeamHalogen Capsul | View on Amazon |
| SYLVANIA | H7 | 🇲🇽 MX | Base Type: PX26DWattage: 55.00 W | View on Amazon |
| WAGNER | 2475H7 | 🇲🇽 MX | Fits High Beam24 Volt | 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.
14 Headlamp Bulb parts for the 2007 Cadillac BLS come from 4 brands — SYLVANIA, WAGNER, PHILIPS and 1 other brand. The "Popular" part is WAGNER H7BLX.
Extended Life: 2 parts, from SYLVANIA and WAGNER. A representative part number is SYLVANIA H7LL.
Extra Bright (improved visibility, but shorter life): 6 parts, from SYLVANIA and WAGNER. A representative part number is WAGNER H7BLX.
In the HID (intense white light) grade, PHILIPS and WAGNER supply 2 parts: grouped under the catalog's "HID (intense white light)" designation — the notes column spells out what sets them apart. A representative part number is PHILIPS D1S.
Standard Replacement: 4 parts, from WAGNER, HELLA and SYLVANIA. A representative part number is HELLA H7.
LED Bulb Adapter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER | CBH1H3 | 🇲🇽 MX | For H1 / H3 Bulb | View on Amazon |
This table covers the LED Bulb adapters.
This group shows a single part: WAGNER CBH1H3.
License Plate Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS | 12821LL | 🇲🇽 MX | Longer Life | View on Amazon |
| SYLVANIA | 5007LL | 🇲🇽 MX | Long LifeBase Type: BA15S | View on Amazon |
| WAGNER | 11005LL | 🇲🇽 MX | Long LifeSV8.5 Base | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular | 6418 | 🇲🇽 MX | IncandescentSocket Type Bulb: SV8.5-8 | View on Amazon |
| WAGNER Popular | 11005 | 🇲🇽 MX | Bulb Type: T-4 Bulb 1/2 (13mm) DiameterSV8.5 Base | View on Amazon |
| HELLA | 5007 | 🇲🇽 MX | Incandescent | View on Amazon |
| PHILIPS | 12821 | 🇲🇽 MX | View on Amazon | |
| SYLVANIA | 5007 | 🇲🇽 MX | 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.
8 License Plate Lamp Bulb parts are listed for the 2007 Cadillac BLS, from PHILIPS, SYLVANIA, WAGNER and 1 other brand. HELLA 6418 carries the "Popular" badge.
The Extended Life section: 3 options from PHILIPS, SYLVANIA and WAGNER. PHILIPS 12821LL is listed in this group.
The Standard Replacement section: 5 options from HELLA, WAGNER, PHILIPS and 1 other brand. HELLA 6418 is listed in this group.
This group includes HELLA 6418, PHILIPS 12821LL and SYLVANIA 5007LL and the remaining parts above.
Map / Reading Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER | 17177LL | 🇲🇽 MX | Long LifeW2.1x9.5d Base | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER | T10LED | 🇲🇽 MX | Tru View PLUS LED | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular | 2825 | 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| HELLA | 2825BL | 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| WAGNER | 17177 | 🇲🇽 MX | W2.1x9.5d Base5.000 Watt | 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.
5 Map / Reading Light Bulb parts are listed for the 2007 Cadillac BLS, from WAGNER and HELLA. HELLA 2825 carries the "Popular" badge.
The Extended Life section: 1 option from WAGNER. WAGNER 17177LL is listed in this group.
LED (instant-on, long life, energy-saving): 1 part, from WAGNER. A representative part number is WAGNER T10LED.
The Standard Replacement section: 3 options from HELLA and WAGNER. HELLA 2825 is listed in this group.
Part numbers include HELLA 2825, WAGNER 17177LL and WAGNER T10LED, among others listed above.
Parking Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER | 17177LL | 🇲🇽 MX | Long LifeW2.1x9.5d Base | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular | 2825 | 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| HELLA | 2825BL | 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| HELLA | 5007 | 🇲🇽 MX | Incandescent | View on Amazon |
| WAGNER | 17177 | 🇲🇽 MX | W2.1x9.5d Base5.000 Watt | 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 for the 2007 Cadillac BLS come from 2 brands — HELLA and WAGNER. The "Popular" part is HELLA 2825.
Extended Life: 1 part, from WAGNER. A representative part number is WAGNER 17177LL.
Standard Replacement: 4 parts, from HELLA and WAGNER. A representative part number is HELLA 2825.
Listed part numbers: HELLA 2825, WAGNER 17177LL and HELLA 2825BL, plus the other parts above.
Side Marker Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular | 2825LL | 🇲🇽 MX | Long LifeBase Type: W2.1x9.5d | View on Amazon |
| WAGNER | 17177LL | 🇲🇽 MX | Long LifeW2.1x9.5d Base | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | 2825ST | 🇲🇽 MX | BlueSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | 2825SL | 🇲🇽 MX | LEDCool White | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular | 2825 | 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| HELLA | 2825BL | 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| SYLVANIA | 2825 | 🇲🇽 MX | Base Type: W2.1x9.5dWattage: 5.00 W | View on Amazon |
| WAGNER | 17177 | 🇲🇽 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.
8 Side Marker Light Bulb parts are listed for the 2007 Cadillac BLS, from SYLVANIA, WAGNER and HELLA. 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, SYLVANIA and WAGNER. HELLA 2825 is listed in this group.
Listed part numbers: SYLVANIA 2825LL, WAGNER 17177LL and SYLVANIA 2825ST, plus the other parts above.
Tail Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 7506ALL | 🇲🇽 MX | IncandescentAmber | View on Amazon |
| HELLA | 7506LL | 🇲🇽 MX | IncandescentLong Life | View on Amazon |
| SYLVANIA | 7506LL | 🇲🇽 MX | Long LifeBase Type: BA15S | View on Amazon |
| WAGNER | 17635LL | 🇲🇽 MX | Long LifeBA15S Base | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | 7506ST | 🇲🇽 MX | Cool WhiteSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Popular | 1156RLED | 🇲🇽 MX | VisionLED | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular | 2825 | 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| HELLA Popular | 7506 | 🇲🇽 MX | IncandescentSocket Type Bulb: BA15S | View on Amazon |
| HELLA | 7506A | 🇲🇽 MX | IncandescentBulb Diameter: 26.5 mm | View on Amazon |
| HELLA | 6411 | 🇲🇽 MX | IncandescentSocket Type Bulb: SV8.5-8 | View on Amazon |
| HELLA | 7506NA | 🇲🇽 MX | IncandescentNatural Amber | View on Amazon |
| PHILIPS | 12088 | 🇲🇽 MX | View on Amazon | |
| SYLVANIA | 7506 | 🇲🇽 MX | Base Type: BA15SWattage: 25.00 W | View on Amazon |
| WAGNER | 17635 | 🇲🇽 MX | BA15S Base21.000 Watt | View on Amazon |
| WAGNER | 7506L | 🇲🇽 MX | Long LifeBulb Type: T-6 Bulb 3/4 (19mm) Diameter | 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.
15 Tail Lamp Bulb parts for the 2007 Cadillac BLS come from 4 brands — HELLA, SYLVANIA, WAGNER and 1 other brand. The "Popular" part is PHILIPS 1156RLED.
Extended Life: 4 parts, from HELLA, SYLVANIA and WAGNER. A representative part number is HELLA 7506ALL.
Extra Bright (improved visibility, but shorter life): 1 part, from SYLVANIA. A representative part number is SYLVANIA 7506ST.
The LED (instant-on, long life, energy-saving) section: 1 option from PHILIPS. PHILIPS 1156RLED is listed in this group.
Standard Replacement: 9 parts, from HELLA, WAGNER, PHILIPS and 1 other brand. A representative part number is HELLA 2825.
Trunk / Cargo Area Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS | 12821LL | 🇲🇽 MX | Longer Life | View on Amazon |
| SYLVANIA | 5007LL | 🇲🇽 MX | Long LifeBase Type: BA15S | View on Amazon |
| WAGNER | 11005LL | 🇲🇽 MX | Long LifeSV8.5 Base | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER | 6418WLED | 🇲🇽 MX | LED1.16 Watt | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular | 2825 | 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| HELLA Popular | 6418 | 🇲🇽 MX | IncandescentSocket Type Bulb: SV8.5-8 | View on Amazon |
| WAGNER Popular | 11005 | 🇲🇽 MX | Bulb Type: T-4 Bulb 1/2 (13mm) DiameterSV8.5 Base | View on Amazon |
| HELLA | 2825BL | 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| HELLA | 5007 | 🇲🇽 MX | Incandescent | View on Amazon |
| PHILIPS | 12821 | 🇲🇽 MX | Fits Sedanor Wagon Tailgate | View on Amazon |
| SYLVANIA | 5007 | 🇲🇽 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.
11 Trunk / Cargo Area Light Bulb parts for the 2007 Cadillac BLS come from 4 brands — HELLA, WAGNER, PHILIPS and 1 other brand. The "Popular" part is HELLA 2825.
Extended Life: 3 parts, from PHILIPS, SYLVANIA and WAGNER. A representative part number is PHILIPS 12821LL.
The LED (instant-on, long life, energy-saving) section: 1 option from WAGNER. WAGNER 6418WLED is listed in this group.
Standard Replacement: 7 parts, from HELLA, WAGNER, PHILIPS and 1 other brand. A representative part number is HELLA 2825.
Turn Signal Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Popular | PY21WLL | 🇲🇽 MX | Longer LifeNatural Amber | View on Amazon |
| SYLVANIA Popular | 7506LL | 🇲🇽 MX | Long LifeBase Type: BA15S | View on Amazon |
| HELLA | 7506ALL | 🇲🇽 MX | IncandescentAmber | View on Amazon |
| HELLA | 7506LL | 🇲🇽 MX | IncandescentLong Life | View on Amazon |
| WAGNER | 17635LL | 🇲🇽 MX | Long LifeBA15S Base | View on Amazon |
| WAGNER | 17638NALL | 🇲🇽 MX | Long LifeNatural Amber | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | 7506ST | 🇲🇽 MX | Cool WhiteSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS | 1156ALED | 🇲🇽 MX | Ultinon LEDAmber | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular | 7506 | 🇲🇽 MX | IncandescentSocket Type Bulb: BA15S | View on Amazon |
| HELLA Popular | 7507 | 🇲🇽 MX | IncandescentSocket Type Bulb: S8.5d or Socket Type Bulb: BAU15S | View on Amazon |
| HELLA | 7506A | 🇲🇽 MX | IncandescentBulb Diameter: 26.5 mm | View on Amazon |
| HELLA | 7506NA | 🇲🇽 MX | IncandescentNatural Amber | View on Amazon |
| SYLVANIA | 7506 | 🇲🇽 MX | Base Type: BA15SWattage: 25.00 W | View on Amazon |
| WAGNER | 17635 | 🇲🇽 MX | BA15S Base21.000 Watt | View on Amazon |
| WAGNER | 17638NA | 🇲🇽 MX | Natural AmberBAU15S Base | View on Amazon |
| WAGNER | 7506L | 🇲🇽 MX | Long LifeBulb Type: T-6 Bulb 3/4 (19mm) Diameter | 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.
16 Turn Signal Lamp Bulb parts are listed for the 2007 Cadillac BLS, from HELLA, WAGNER, SYLVANIA and 1 other brand. PHILIPS PY21WLL carries the "Popular" badge.
The Extended Life section: 6 options from HELLA, WAGNER, PHILIPS and 1 other brand. PHILIPS PY21WLL is listed in this group.
The Extra Bright (improved visibility, but shorter life) section: 1 option from SYLVANIA. SYLVANIA 7506ST is listed in this group.
LED (instant-on, long life, energy-saving): 1 part, from PHILIPS. A representative part number is PHILIPS 1156ALED.
The Standard Replacement section: 8 options from HELLA, WAGNER and SYLVANIA. HELLA 7506 is listed in this group.
Buying Electrical Bulb & Socket Parts for a 2007 Cadillac BLS
On this vehicle, the bulb and socket system covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination.
- Confirm you have the 2.0L L4 Turbocharged engine — every part on this page is matched to it.
- 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: Fog / Driving Lamp Bulb and Turn Signal Lamp Bulb .
Frequently Asked Questions
How many electrical bulb & socket parts fit the 2007 Cadillac BLS?
Our catalog currently lists 142 electrical bulb & socket parts for the 2007 Cadillac BLS across 14 subcategories and 4 brands, covering the 2.0L L4 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical bulb & socket problems on a 2007 Cadillac BLS?
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 BLS 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 BLS?
Every part on this page is matched to the 2.0L L4 Turbocharged engine. 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 BLS
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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.