2007 Cadillac XLR Electrical Bulb & Socket Parts

Engine:

Showing parts for every engine. Select an engine to see only what fits.

This page lists 123 electrical bulb & socket parts for the 2007 Cadillac XLR, across 18 part types, covering both the 4.4L V8 Supercharged and the 4.6L V8. Every part shows its brand, manufacturer part number and fitment notes.

On the 2007 Cadillac XLR, 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 Step / Courtesy Light Bulb (21 parts), Glove Box Light Bulb (16 parts) and Back Up / Reverse Lamp Bulb (14 parts). The other 15 part types cover the remaining 72 parts.

Back Up / Reverse Lamp Bulb

Extended Life

Brand Part Number Markets Notes Buy
WAGNER Popular Fits: 4.4L V8 Supercharged 3156LL
🇺🇸 US 🇨🇦 CA
Long LifeSingle Contact Wedge Base
Fitment notes — WAGNER 3156LL
Long LifeSingle Contact Wedge Base26.880 Watt
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SYLVANIA Fits: 4.4L V8 Supercharged 3156LL
🇺🇸 US 🇨🇦 CA
Long LifeBase Type: W2.5x16d
Fitment notes — SYLVANIA 3156LL
Long LifeBase Type: W2.5x16dWattage: 26.90 W
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Extra Bright (improved visibility, but shorter life)

Brand Part Number Markets Notes Buy
SYLVANIA Fits: 4.4L V8 Supercharged 3156ST
🇺🇸 US 🇨🇦 CA
Cool WhiteSilver Star
Fitment notes — SYLVANIA 3156ST
Cool WhiteSilver StarColor Temperature: 3200 KVBase Type: W2.5x16dWattage: 27.00 W
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LED (instant-on, long life, energy-saving)

Brand Part Number Markets Notes Buy
DORMAN Fits: 4.4L V8 Supercharged 3156WSMD
🇺🇸 US 🇨🇦 CA
Bulb Type 3156
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DORMAN Fits: 4.4L V8 Supercharged 3156WHP
🇺🇸 US 🇨🇦 CA
Bulb Type 3156
Fitment notes — DORMAN 3156WHP
Bulb Type 3156
Wattage: 16 W
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PILOT AUTOMOTIVE Fits: 4.4L V8 Supercharged IL3156R15
🇺🇸 US 🇨🇦 CA
Backup LightEXTERIOR BULBS,STANDARD - 3156 LED SURFACE MOUNT DESIGN 15 RED 2 PC - COMPARE withoutRIGINAL
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PILOT AUTOMOTIVE Fits: 4.4L V8 Supercharged IL3156A15
🇺🇸 US 🇨🇦 CA
Backup LightEXTERIOR BULBS,STANDARD - 3156 LED SURFACE MOUNT DESIGN 15 AMBR 2 PC - COMPARE withoutRIGINAL
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PILOT AUTOMOTIVE Fits: 4.4L V8 Supercharged IL3156B15
🇺🇸 US 🇨🇦 CA
Backup LightEXTERIOR BULBS,STANDARD - 3156 LED SURFACE MOUNT DESIGN 15 BLUE 2 PC - COMPARE withoutRIGINAL
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WAGNER Fits: 4.4L V8 Supercharged 3156WLED
🇺🇸 US 🇨🇦 CA
LEDWhite
Fitment notes — WAGNER 3156WLED
LEDWhiteLED
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Standard Replacement

Brand Part Number Markets Notes Buy
PHILIPS Popular Fits: 4.4L V8 Supercharged 3156
🇺🇸 US 🇨🇦 CA
Backup LightStandard
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WAGNER Popular Fits: 4.4L V8 Supercharged 3156
🇺🇸 US 🇨🇦 CA
Single Contact Wedge Base26.880 Watt
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ACDELCO Fits: 4.4L V8 Supercharged 3157KX
🇺🇸 US 🇨🇦 CA
Gold
Fitment notes — ACDELCO 3157KX
Gold
TRADE 3157KX
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HELLA Fits: 4.4L V8 Supercharged 3156
🇺🇸 US 🇨🇦 CA
IncandescentSocket Type Bulb: W2.5x16d
Fitment notes — HELLA 3156
IncandescentSocket Type Bulb: W2.5x16d
P27W
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SYLVANIA Fits: 4.4L V8 Supercharged 3156
🇺🇸 US 🇨🇦 CA
Base Type: W2.5x16dWattage: 26.90 W
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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.

Daytime Running Light Bulb

Extended Life

Brand Part Number Markets Notes Buy
PHILIPS Popular Fits: 4.4L V8 Supercharged 3757NALL
🇺🇸 US 🇨🇦 CA
Longer LifeNatural Amber
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SYLVANIA Fits: 4.4L V8 Supercharged 3757ALL
🇺🇸 US 🇨🇦 CA
Long LifeAmber
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WAGNER Fits: 4.4L V8 Supercharged 3757NALL
🇺🇸 US 🇨🇦 CA
Long LifeNatural Amber
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Standard Replacement

Brand Part Number Markets Notes Buy
HELLA Popular Fits: 4.4L V8 Supercharged 3757A
🇺🇸 US 🇨🇦 CA
IncandescentAverage Rated Life: 600.0 HR
Fitment notes — HELLA 3757A
IncandescentAverage Rated Life: 600.0 HR27/7WSocket Type Bulb: W2.5x16q
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GM GENUINE Fits: 4.4L V8 Supercharged 23757NAK
🇺🇸 US 🇨🇦 CA
Natural Amber
Fitment notes — GM GENUINE 23757NAK
Natural Amber
TRADE # 3757KA
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PILOT AUTOMOTIVE Fits: 4.4L V8 Supercharged PL3757APK
🇺🇸 US 🇨🇦 CA
Exterior Bulbs, Standard10 Pack
Fitment notes — PILOT AUTOMOTIVE PL3757APK
Exterior Bulbs, Standard10 PackCompare with Original
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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.

Daytime Running Light Socket

Brand Part Number Markets Notes Buy
ACDELCO Fits: 4.4L V8 Supercharged LS240
🇺🇸 US 🇨🇦 CA
SOCKET,DAYTIME RUNNING LP withRH RULE OF ROAD HDLP (T84) or LH RULE OF ROAD HDLP (T85)
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GM GENUINE Fits: 4.4L V8 Supercharged LS239
🇺🇸 US 🇨🇦 CA
DRL SOCKET ONLY
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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.

Door Panel Light Bulb

Extended Life

Brand Part Number Markets Notes Buy
SYLVANIA Fits: 4.4L V8 Supercharged 561LL
🇺🇸 US 🇨🇦 CA
Base Type: Rigid LoopLong Life
Fitment notes — SYLVANIA 561LL
Base Type: Rigid LoopLong LifeWattage: 12.41 W
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WAGNER Fits: 4.4L V8 Supercharged 561LL
🇺🇸 US 🇨🇦 CA
Long LifeRigid Loop Base
Fitment notes — WAGNER 561LL
Long LifeRigid Loop Base12.420 Watt
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Standard Replacement

Brand Part Number Markets Notes Buy
PHILIPS Popular Fits: 4.4L V8 Supercharged 561
🇺🇸 US 🇨🇦 CA
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SYLVANIA Fits: 4.4L V8 Supercharged 561
🇺🇸 US 🇨🇦 CA
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WAGNER Fits: 4.4L V8 Supercharged 561
🇺🇸 US 🇨🇦 CA
Rigid Loop Base12.420 Watt
Fitment notes — WAGNER 561
Rigid Loop Base12.420 WattBulb Type: T-3 Bulb 3/8 (9.5mm) Diameter
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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.

Fog / Driving Lamp Bulb

Brand Part Number Markets Notes Buy
PHILIPS Fits: 4.4L V8 Supercharged 9055
🇺🇸 US 🇨🇦 CA
For vehicle with Lamp Fog, ECE Requirements
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PHILIPS Fits: 4.4L V8 Supercharged 9045
🇺🇸 US 🇨🇦 CA
Fits Frontor Fog LightStandardor For vehicle without Lamp Fog, ECE Requirements
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SYLVANIA Fits: 4.4L V8 Supercharged 9045
🇺🇸 US 🇨🇦 CA
Base Type: PZ20DWattage: 40.00 W
Fitment notes — SYLVANIA 9045
Base Type: PZ20DWattage: 40.00 WFront
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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.

Fog / Driving Lamp Socket

Brand Part Number Markets Notes Buy
WELLS Fits: 4.4L V8 Supercharged 1P3539
🇺🇸 US 🇨🇦 CA
with Bulb # 9005Wiring Harness
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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.

Glove Box Light Bulb

Extended Life

Brand Part Number Markets Notes Buy
HELLA Fits: 4.4L V8 Supercharged 194LL
🇺🇸 US 🇨🇦 CA
IncandescentLong Life
Fitment notes — HELLA 194LL
IncandescentLong LifeSocket Type Bulb: W2.1x9.5dLong Life
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SYLVANIA Fits: 4.4L V8 Supercharged 194LL
🇺🇸 US 🇨🇦 CA
Long LifeBase Type: W2.1x9.2d
Fitment notes — SYLVANIA 194LL
Long LifeBase Type: W2.1x9.2dWattage: 3.80 W
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WAGNER Fits: 4.4L V8 Supercharged 194LL
🇺🇸 US 🇨🇦 CA
Long LifeBulb Type: T-3-1/4 Bulb 13/32 (10mm) Diameter
Fitment notes — WAGNER 194LL
Long LifeBulb Type: T-3-1/4 Bulb 13/32 (10mm) DiameterWedge Base3.780 Watt
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Extra Bright (improved visibility, but shorter life)

Brand Part Number Markets Notes Buy
SYLVANIA Fits: 4.4L V8 Supercharged 194ST
🇺🇸 US 🇨🇦 CA
Color Temperature: 3200 KVSilver Star
Fitment notes — SYLVANIA 194ST
Color Temperature: 3200 KVSilver StarBase Type: W2.1x9.2dWattage: 3.80 W
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LED (instant-on, long life, energy-saving)

Brand Part Number Markets Notes Buy
HELLA Popular Fits: 4.4L V8 Supercharged 921LED5K
🇺🇸 US 🇨🇦 CA
LED Miniature Bulb with Color Temperature of 5000KSocket Type Bulb: SV8.5-8
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DORMAN Fits: 4.4L V8 Supercharged 194WHP
🇺🇸 US 🇨🇦 CA
Bulb Type 1942 Watt
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DORMAN Fits: 4.4L V8 Supercharged 194WSMD
🇺🇸 US 🇨🇦 CA
Bulb Type 1941.2 Watt
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SYLVANIA Fits: 4.4L V8 Supercharged 194BSL
🇺🇸 US 🇨🇦 CA
LEDBlue
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SYLVANIA Fits: 4.4L V8 Supercharged 194SL
🇺🇸 US 🇨🇦 CA
LEDCool White
Fitment notes — SYLVANIA 194SL
LEDCool WhiteBase Type: W2.1x9.2dWattage: 0.50 W
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SYLVANIA Fits: 4.4L V8 Supercharged 194BLED
🇺🇸 US 🇨🇦 CA
BlueZEVO
Fitment notes — SYLVANIA 194BLED
BlueZEVOBase Type: WedgeWattage: 0.50 W
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SYLVANIA Fits: 4.4L V8 Supercharged 194LED
🇺🇸 US 🇨🇦 CA
ZEVOCool White
Fitment notes — SYLVANIA 194LED
ZEVOCool WhiteBase Type: W2.1x9.2dWattage: 1.00 W
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WAGNER Fits: 4.4L V8 Supercharged T10LED
🇺🇸 US 🇨🇦 CA
Tru View PLUS LED
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WAGNER Fits: 4.4L V8 Supercharged 194LEDW
🇺🇸 US 🇨🇦 CA
LEDGlass:Clear (T3-1/4), Number of Filaments:1, Watts:3.78 (0.16 cp), Base:Wedge (W2.1x9.5d)
Fitment notes — WAGNER 194LEDW
LEDGlass:Clear (T3-1/4), Number of Filaments:1, Watts:3.78 (0.16 cp), Base:Wedge (W2.1x9.5d)
LED BULB
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Standard Replacement

Brand Part Number Markets Notes Buy
HELLA Popular Fits: 4.4L V8 Supercharged 194
🇺🇸 US 🇨🇦 CA
Brightness: 2.0 CPIncandescent
Fitment notes — HELLA 194
Brightness: 2.0 CPIncandescentSocket Type Bulb: W2.1x9.5d
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SYLVANIA Popular Fits: 4.4L V8 Supercharged 194
🇺🇸 US 🇨🇦 CA
Base Type: W2.1x9.2dWattage: 3.80 W
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WAGNER Popular Fits: 4.4L V8 Supercharged 194
🇺🇸 US 🇨🇦 CA
Wedge Base3.780 Watt
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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.

Headlamp Bulb

HID (intense white light)

Brand Part Number Markets Notes Buy
HELLA Popular Fits: 4.4L V8 Supercharged D1S4300K
🇺🇸 US 🇨🇦 CA
4300KSocket Type Bulb: PK32D-2
Fitment notes — HELLA D1S4300K
4300KSocket Type Bulb: PK32D-2
High Beam and Low BeamXenon
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SYLVANIA Popular Fits: 4.4L V8 Supercharged D1S
🇺🇸 US 🇨🇦 CA
High Beam and Low Beam
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HELLA Fits: 4.4L V8 Supercharged D1S5000K
🇺🇸 US 🇨🇦 CA
5000KSocket Type Bulb: PK32D-2
Fitment notes — HELLA D1S5000K
5000KSocket Type Bulb: PK32D-2
High Beam and Low BeamXenon85V
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PHILIPS Fits: 4.4L V8 Supercharged D1S
🇺🇸 US 🇨🇦 CA
High Beam and Low Beam
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SYLVANIA Fits: 4.4L V8 Supercharged D1SSZ
🇺🇸 US 🇨🇦 CA
Silver Star zXe
Fitment notes — SYLVANIA D1SSZ
Silver Star zXe
High Beam and Low Beam
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ÜRO PARTS Fits: 4.4L V8 Supercharged D1S
🇺🇸 US 🇨🇦 CA
4300K
Fitment notes — ÜRO PARTS D1S
4300K
High Beam and Low Beam85V - 35W
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WAGNER Fits: 4.4L V8 Supercharged D1S
🇺🇸 US 🇨🇦 CA
with Xenon Gas
Fitment notes — WAGNER D1S
with Xenon Gas
High Beam and Low Beam
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Standard Replacement

Brand Part Number Markets Notes Buy
ACDELCO Fits: 4.4L V8 Supercharged 19352020
🇺🇸 US 🇨🇦 CA
GM Original EquipmentBeam Type: High Beam Low Beam
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ACDELCO Fits: 4.4L V8 Supercharged 19351924
🇺🇸 US 🇨🇦 CA
GM Original EquipmentBeam Type: High Beam
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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.

Headlamp Socket

Brand Part Number Markets Notes Buy
DORMAN Fits: 4.4L V8 Supercharged 645595
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — DORMAN 645595
Black
6 WayFemale with Leads
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GM GENUINE Fits: 4.4L V8 Supercharged PT1595
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE PT1595
Black
GT280Except Signal and Marker Lamp (T90)10-Way Malewith Leads
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STANDARD MOTOR PRODUCTS Fits: 4.4L V8 Supercharged S1500
🇺🇸 US 🇨🇦 CA
Connector Shape: Rectangle
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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.

License Plate Lamp Bulb

Extended Life

Brand Part Number Markets Notes Buy
SYLVANIA Fits: 4.4L V8 Supercharged 2825LL
🇺🇸 US 🇨🇦 CA
Long LifeBase Type: W2.1x9.5d
Fitment notes — SYLVANIA 2825LL
Long LifeBase Type: W2.1x9.5dWattage: 5.00 W
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WAGNER Fits: 4.4L V8 Supercharged 17177LL
🇺🇸 US 🇨🇦 CA
Long LifeW2.1x9.5d Base
Fitment notes — WAGNER 17177LL
Long LifeW2.1x9.5d Base5.000 Watt
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Extra Bright (improved visibility, but shorter life)

Brand Part Number Markets Notes Buy
SYLVANIA Fits: 4.4L V8 Supercharged 2825ST
🇺🇸 US 🇨🇦 CA
BlueSilver Star
Fitment notes — SYLVANIA 2825ST
BlueSilver StarColor Temperature: 3200 KVBase Type: W2.1x9.5dWattage: 5.00 W
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LED (instant-on, long life, energy-saving)

Brand Part Number Markets Notes Buy
HELLA Popular Fits: 4.4L V8 Supercharged 921LED5K
🇺🇸 US 🇨🇦 CA
LED Miniature Bulb with Color Temperature of 5000KSocket Type Bulb: SV8.5-8
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SYLVANIA Fits: 4.4L V8 Supercharged 2825SL
🇺🇸 US 🇨🇦 CA
LEDCool White
Fitment notes — SYLVANIA 2825SL
LEDCool WhiteBase Type: W2.1x9.5dWattage: 0.50 W
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Standard Replacement

Brand Part Number Markets Notes Buy
HELLA Popular Fits: 4.4L V8 Supercharged 2825
🇺🇸 US 🇨🇦 CA
IncandescentSocket Type Bulb: W2.1x9.5d
Fitment notes — HELLA 2825
IncandescentSocket Type Bulb: W2.1x9.5d
W5W
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GM GENUINE Fits: 4.4L V8 Supercharged 13500812
🇺🇸 US 🇨🇦 CA
TRADE # W5WLL
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HELLA Fits: 4.4L V8 Supercharged 2825BL
🇺🇸 US 🇨🇦 CA
IncandescentSocket Type Bulb: W2.1x9.5d
Fitment notes — HELLA 2825BL
IncandescentSocket Type Bulb: W2.1x9.5dBlue
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SYLVANIA Fits: 4.4L V8 Supercharged 2825
🇺🇸 US 🇨🇦 CA
Base Type: W2.1x9.5dWattage: 5.00 W
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WAGNER Fits: 4.4L V8 Supercharged 17177
🇺🇸 US 🇨🇦 CA
W2.1x9.5d Base5.000 Watt
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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.

License Plate Lamp Socket

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 4.4L V8 Supercharged LS44
🇺🇸 US 🇨🇦 CA
RearDK Gray
Fitment notes — GM GENUINE LS44
RearDK Gray2-Way FemaleWedge Basewith Leads
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This table covers the sockets that hold a License Plate 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.

Map / Reading Light Bulb

Extended Life

Brand Part Number Markets Notes Buy
SYLVANIA Fits: 4.4L V8 Supercharged 2122LL
🇺🇸 US 🇨🇦 CA
Base Type: Double-End CapLong Life
Fitment notes — SYLVANIA 2122LL
Base Type: Double-End CapLong LifeWattage: 9.99 W
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WAGNER Fits: 4.4L V8 Supercharged 2122LL
🇺🇸 US 🇨🇦 CA
Long LifeDouble End Cap Base
Fitment notes — WAGNER 2122LL
Long LifeDouble End Cap Base9.990 Watt
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LED (instant-on, long life, energy-saving)

Brand Part Number Markets Notes Buy
DORMAN Popular Fits: 4.4L V8 Supercharged 212WSMD
🇺🇸 US 🇨🇦 CA
Wattage: 1.44 WLight Color:
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Standard Replacement

Brand Part Number Markets Notes Buy
PHILIPS Popular Fits: 4.4L V8 Supercharged 2122
🇺🇸 US 🇨🇦 CA
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SYLVANIA Fits: 4.4L V8 Supercharged 2122
🇺🇸 US 🇨🇦 CA
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WAGNER Fits: 4.4L V8 Supercharged 2122
🇺🇸 US 🇨🇦 CA
Double End Cap Base9.990 Watt
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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.

Parking Lamp Bulb

Extended Life

Brand Part Number Markets Notes Buy
SYLVANIA Popular Fits: 4.4L V8 Supercharged 2825LL
🇺🇸 US 🇨🇦 CA
Long LifeBase Type: W2.1x9.5d
Fitment notes — SYLVANIA 2825LL
Long LifeBase Type: W2.1x9.5dWattage: 5.00 W
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WAGNER Fits: 4.4L V8 Supercharged 17177LL
🇺🇸 US 🇨🇦 CA
Long LifeW2.1x9.5d Base
Fitment notes — WAGNER 17177LL
Long LifeW2.1x9.5d Base5.000 Watt
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Extra Bright (improved visibility, but shorter life)

Brand Part Number Markets Notes Buy
SYLVANIA Fits: 4.4L V8 Supercharged 2825ST
🇺🇸 US 🇨🇦 CA
BlueSilver Star
Fitment notes — SYLVANIA 2825ST
BlueSilver StarColor Temperature: 3200 KVBase Type: W2.1x9.5dWattage: 5.00 W
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LED (instant-on, long life, energy-saving)

Brand Part Number Markets Notes Buy
SYLVANIA Fits: 4.4L V8 Supercharged 2825SL
🇺🇸 US 🇨🇦 CA
LEDCool White
Fitment notes — SYLVANIA 2825SL
LEDCool WhiteBase Type: W2.1x9.5dWattage: 0.50 W
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Standard Replacement

Brand Part Number Markets Notes Buy
HELLA Popular Fits: 4.4L V8 Supercharged 2825
🇺🇸 US 🇨🇦 CA
IncandescentSocket Type Bulb: W2.1x9.5d
Fitment notes — HELLA 2825
IncandescentSocket Type Bulb: W2.1x9.5d
W5W
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SYLVANIA Fits: 4.4L V8 Supercharged 2825
🇺🇸 US 🇨🇦 CA
Base Type: W2.1x9.5dWattage: 5.00 W
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WAGNER Fits: 4.4L V8 Supercharged 17177
🇺🇸 US 🇨🇦 CA
W2.1x9.5d Base5.000 Watt
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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.

Side Marker Light Bulb

Extended Life

Brand Part Number Markets Notes Buy
SYLVANIA Popular Fits: 4.4L V8 Supercharged 2825LL
🇺🇸 US 🇨🇦 CA
Long LifeBase Type: W2.1x9.5d
Fitment notes — SYLVANIA 2825LL
Long LifeBase Type: W2.1x9.5dWattage: 5.00 WFront
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WAGNER Fits: 4.4L V8 Supercharged 17177LL
🇺🇸 US 🇨🇦 CA
Long LifeW2.1x9.5d Base
Fitment notes — WAGNER 17177LL
Long LifeW2.1x9.5d Base5.000 WattFront
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Extra Bright (improved visibility, but shorter life)

Brand Part Number Markets Notes Buy
SYLVANIA Fits: 4.4L V8 Supercharged 2825ST
🇺🇸 US 🇨🇦 CA
BlueSilver Star
Fitment notes — SYLVANIA 2825ST
BlueSilver StarColor Temperature: 3200 KVBase Type: W2.1x9.5dWattage: 5.00 WFront
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LED (instant-on, long life, energy-saving)

Brand Part Number Markets Notes Buy
SYLVANIA Fits: 4.4L V8 Supercharged 2825SL
🇺🇸 US 🇨🇦 CA
LEDCool White
Fitment notes — SYLVANIA 2825SL
LEDCool WhiteBase Type: W2.1x9.5dWattage: 0.50 WFront
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Standard Replacement

Brand Part Number Markets Notes Buy
HELLA Popular Fits: 4.4L V8 Supercharged 2825
🇺🇸 US 🇨🇦 CA
IncandescentSocket Type Bulb: W2.1x9.5d
Fitment notes — HELLA 2825
IncandescentSocket Type Bulb: W2.1x9.5d
FrontW5W
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GM GENUINE Fits: 4.4L V8 Supercharged 13500812
🇺🇸 US 🇨🇦 CA
FrontTRADE # W5WLL
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SYLVANIA Fits: 4.4L V8 Supercharged 2825
🇺🇸 US 🇨🇦 CA
Base Type: W2.1x9.5dWattage: 5.00 W
Fitment notes — SYLVANIA 2825
Base Type: W2.1x9.5dWattage: 5.00 WFront
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WAGNER Fits: 4.4L V8 Supercharged 17177
🇺🇸 US 🇨🇦 CA
W2.1x9.5d Base5.000 Watt
Fitment notes — WAGNER 17177
W2.1x9.5d Base5.000 WattFront
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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.

Step / Courtesy Light Bulb

Extended Life

Brand Part Number Markets Notes Buy
SYLVANIA Popular Fits: 4.4L V8 Supercharged 194LL
🇺🇸 US 🇨🇦 CA
Long LifeBase Type: W2.1x9.2d
Fitment notes — SYLVANIA 194LL
Long LifeBase Type: W2.1x9.2dWattage: 3.80 W
Stepwell
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HELLA Fits: 4.4L V8 Supercharged 194LL
🇺🇸 US 🇨🇦 CA
IncandescentLong Life
Fitment notes — HELLA 194LL
IncandescentLong LifeSocket Type Bulb: W2.1x9.5dLong Life
Stepwell
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SYLVANIA Fits: 4.4L V8 Supercharged 561LL
🇺🇸 US 🇨🇦 CA
Base Type: Rigid LoopLong Life
Fitment notes — SYLVANIA 561LL
Base Type: Rigid LoopLong LifeWattage: 12.41 W
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SYLVANIA Fits: 4.4L V8 Supercharged 2122LL
🇺🇸 US 🇨🇦 CA
Base Type: Double-End CapLong Life
Fitment notes — SYLVANIA 2122LL
Base Type: Double-End CapLong LifeWattage: 9.99 W
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WAGNER Fits: 4.4L V8 Supercharged 194LL
🇺🇸 US 🇨🇦 CA
Long LifeBulb Type: T-3-1/4 Bulb 13/32 (10mm) Diameter
Fitment notes — WAGNER 194LL
Long LifeBulb Type: T-3-1/4 Bulb 13/32 (10mm) DiameterWedge Base3.780 Watt
LightStepwell
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Extra Bright (improved visibility, but shorter life)

Brand Part Number Markets Notes Buy
SYLVANIA Fits: 4.4L V8 Supercharged 194ST
🇺🇸 US 🇨🇦 CA
Color Temperature: 3200 KVSilver Star
Fitment notes — SYLVANIA 194ST
Color Temperature: 3200 KVSilver StarBase Type: W2.1x9.2dWattage: 3.80 W
Stepwell
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LED (instant-on, long life, energy-saving)

Brand Part Number Markets Notes Buy
HELLA Popular Fits: 4.4L V8 Supercharged 921LED5K
🇺🇸 US 🇨🇦 CA
LED Miniature Bulb with Color Temperature of 5000KSocket Type Bulb: SV8.5-8
Fitment notes — HELLA 921LED5K
LED Miniature Bulb with Color Temperature of 5000KSocket Type Bulb: SV8.5-8
Stepwell
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DORMAN Fits: 4.4L V8 Supercharged 194WHP
🇺🇸 US 🇨🇦 CA
Bulb Type 1942 Watt
Fitment notes — DORMAN 194WHP
Bulb Type 1942 Watt
Light Color:Stepwell
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DORMAN Fits: 4.4L V8 Supercharged 194WSMD
🇺🇸 US 🇨🇦 CA
Bulb Type 1941.2 Watt
Fitment notes — DORMAN 194WSMD
Bulb Type 1941.2 Watt
Light Color:Stepwell
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SYLVANIA Fits: 4.4L V8 Supercharged 194BSL
🇺🇸 US 🇨🇦 CA
LEDBlue
Fitment notes — SYLVANIA 194BSL
LEDBlue
Stepwell
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SYLVANIA Fits: 4.4L V8 Supercharged 194SL
🇺🇸 US 🇨🇦 CA
LEDCool White
Fitment notes — SYLVANIA 194SL
LEDCool WhiteBase Type: W2.1x9.2dWattage: 0.50 W
Stepwell
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SYLVANIA Fits: 4.4L V8 Supercharged 194BLED
🇺🇸 US 🇨🇦 CA
BlueZEVO
Fitment notes — SYLVANIA 194BLED
BlueZEVOBase Type: WedgeWattage: 0.50 W
Stepwell
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SYLVANIA Fits: 4.4L V8 Supercharged 194LED
🇺🇸 US 🇨🇦 CA
ZEVOCool White
Fitment notes — SYLVANIA 194LED
ZEVOCool WhiteBase Type: W2.1x9.2dWattage: 1.00 W
Stepwell
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WAGNER Fits: 4.4L V8 Supercharged T10LED
🇺🇸 US 🇨🇦 CA
Tru View PLUS LED
Fitment notes — WAGNER T10LED
Tru View PLUS LED
Stepwell
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WAGNER Fits: 4.4L V8 Supercharged 194LEDW
🇺🇸 US 🇨🇦 CA
LEDGlass:Clear (T3-1/4), Number of Filaments:1, Watts:3.78 (0.16 cp), Base:Wedge (W2.1x9.5d)
Fitment notes — WAGNER 194LEDW
LEDGlass:Clear (T3-1/4), Number of Filaments:1, Watts:3.78 (0.16 cp), Base:Wedge (W2.1x9.5d)
Stepwell
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Standard Replacement

Brand Part Number Markets Notes Buy
HELLA Popular Fits: 4.4L V8 Supercharged 194
🇺🇸 US 🇨🇦 CA
Brightness: 2.0 CPIncandescent
Fitment notes — HELLA 194
Brightness: 2.0 CPIncandescentSocket Type Bulb: W2.1x9.5d
Stepwell
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SYLVANIA Popular Fits: 4.4L V8 Supercharged 194
🇺🇸 US 🇨🇦 CA
Base Type: W2.1x9.2dWattage: 3.80 W
Fitment notes — SYLVANIA 194
Base Type: W2.1x9.2dWattage: 3.80 W
Stepwell
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WAGNER Popular Fits: 4.4L V8 Supercharged 194
🇺🇸 US 🇨🇦 CA
Wedge Base3.780 Watt
Fitment notes — WAGNER 194
Wedge Base3.780 Watt
Stepwell
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PHILIPS Fits: 4.4L V8 Supercharged 2122
🇺🇸 US 🇨🇦 CA
Step or Courtesy LightCourtesy
Fitment notes — PHILIPS 2122
Step or Courtesy LightCourtesyStandard
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SYLVANIA Fits: 4.4L V8 Supercharged 561
🇺🇸 US 🇨🇦 CA
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SYLVANIA Fits: 4.4L V8 Supercharged 2122
🇺🇸 US 🇨🇦 CA
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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.

Tail Lamp Bulb

Brand Part Number Markets Notes Buy
HELLA Fits: 4.4L V8 Supercharged 2825
🇺🇸 US 🇨🇦 CA
IncandescentSocket Type Bulb: W2.1x9.5d
Fitment notes — HELLA 2825
IncandescentSocket Type Bulb: W2.1x9.5d
W5W
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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.

Trunk / Cargo Area Light Bulb

Brand Part Number Markets Notes Buy
HELLA Fits: 4.4L V8 Supercharged 168
🇺🇸 US 🇨🇦 CA
IncandescentSocket Type Bulb: W2.1x9.5d
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PHILIPS Fits: 4.4L V8 Supercharged PC168
🇺🇸 US 🇨🇦 CA
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SYLVANIA Fits: 4.4L V8 Supercharged PC168
🇺🇸 US 🇨🇦 CA
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WAGNER Fits: 4.4L V8 Supercharged PC168
🇺🇸 US 🇨🇦 CA
Printed Circuit Base4.900 Watt
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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.

Turn Signal Lamp Bulb

Extended Life

Brand Part Number Markets Notes Buy
PHILIPS Popular Fits: 4.4L V8 Supercharged 3757NALL
🇺🇸 US 🇨🇦 CA
Longer LifeNatural Amber
Fitment notes — PHILIPS 3757NALL
Longer LifeNatural AmberFront
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SYLVANIA Fits: 4.4L V8 Supercharged 3757ALL
🇺🇸 US 🇨🇦 CA
Long LifeAmber
Fitment notes — SYLVANIA 3757ALL
Long LifeAmberFront
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WAGNER Fits: 4.4L V8 Supercharged 3757NALL
🇺🇸 US 🇨🇦 CA
Long LifeNatural Amber
Fitment notes — WAGNER 3757NALL
Long LifeNatural AmberFront
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Standard Replacement

Brand Part Number Markets Notes Buy
HELLA Popular Fits: 4.4L V8 Supercharged 3757A
🇺🇸 US 🇨🇦 CA
IncandescentAverage Rated Life: 600.0 HR
Fitment notes — HELLA 3757A
IncandescentAverage Rated Life: 600.0 HR27/7WSocket Type Bulb: W2.5x16qFront
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GM GENUINE Fits: 4.4L V8 Supercharged 13500812
🇺🇸 US 🇨🇦 CA
FrontTRADE # W5WLL
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PILOT AUTOMOTIVE Fits: 4.4L V8 Supercharged PL3757APK
🇺🇸 US 🇨🇦 CA
FrontExterior Bulbs,Standard
Fitment notes — PILOT AUTOMOTIVE PL3757APK
FrontExterior Bulbs,Standard10 PackCompare with Original
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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.

Buying Electrical Bulb & Socket Parts for a 2007 Cadillac XLR

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: Step / Courtesy Light Bulb and Glove Box Light Bulb .

Frequently Asked Questions

How many electrical bulb & socket parts fit the 2007 Cadillac XLR?

Our catalog currently lists 123 electrical bulb & socket parts for the 2007 Cadillac XLR across 18 subcategories and 11 brands, covering both the 4.4L V8 Supercharged and the 4.6L V8. Each part is matched to the engine(s) it fits.

Do electrical bulb & socket parts differ between 2007 Cadillac XLR 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 XLR?

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 XLR 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 XLR?

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 XLR

Electrical Bulb & Socket Parts for Other Cadillac XLR Years

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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.