This page lists 248 electrical bulb & socket parts for the 2007 Buick Lacrosse, across 27 part types, covering both the 3.6L V6 and the 3.8L V6. Every part shows its brand, manufacturer part number and fitment notes.
The bulb and socket system on the 2007 Buick Lacrosse covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination. The largest groups are Headlamp Bulb (24 parts), Headlamp Socket (23 parts) and Tail Lamp Bulb (23 parts). The other 24 part types cover the remaining 178 parts.
The 2007 Buick Lacrosse was sold with both the 3.6L V6 and the 3.8L V6. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2007 Buick Lacrosse electrical bulb & socket parts are SYLVANIA (73 parts), WAGNER (55 parts) and HELLA (44 parts), plus 12 more brands. Quality grades include Standard Replacement, LED and Extended Life.
51 parts on this 2007 Buick Lacrosse page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including SYLVANIA 921LL (Back Up / Reverse Lamp Bulb) and SYLVANIA 3057 (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 |
|---|---|---|---|---|
| SYLVANIA Popular Fits: 3.8L V6 | 921LL | 🇺🇸 US | Long LifeBase Type: W2.1x9.2d | View on Amazon |
| HELLA Fits: 3.8L V6 | 921LL | 🇺🇸 US | IncandescentLong Life | View on Amazon |
| WAGNER Fits: 3.8L V6 | 921LL | 🇺🇸 US | Long LifeWedge Base | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 3.8L V6 | 921ST | 🇺🇸 US | Cool WhiteSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Fits: 3.8L V6 | 921WLED | 🇺🇸 US | LEDWhite | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: 3.8L V6 | 921 | 🇺🇸 US | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| SYLVANIA Fits: 3.8L V6 | 921 | 🇺🇸 US | Base Type: W2.1x9.2dWattage: 18.00 W | View on Amazon |
| WAGNER Fits: 3.8L V6 | 921 | 🇺🇸 US | Bulb Type: T-5 Bulb 5/8 (16mm) DiameterVoltage: 12.800 Volts (Direct Current) | 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 are listed for the 2007 Buick Lacrosse, from SYLVANIA, WAGNER and HELLA. SYLVANIA 921LL carries the "Popular" badge.
The Extended Life section lists 3 options from SYLVANIA, HELLA and WAGNER — grouped under the catalog's "Extended Life" designation — the notes column spells out what sets them apart. SYLVANIA 921LL 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 921ST is listed in this group.
In the LED (instant-on, long life, energy-saving) grade, WAGNER 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 WAGNER 921WLED.
The Standard Replacement section lists 3 options from HELLA, SYLVANIA and WAGNER — built to original-equipment specification. HELLA 921 is listed in this group.
Part numbers include SYLVANIA 921LL, among others listed above.
Brake Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 3.8L V6 | 3057LL | 🇺🇸 US | Long LifeBase Type: W2.5x16q | View on Amazon |
| WAGNER Fits: 3.8L V6 | 3057LL | 🇺🇸 US | Long LifeBulb Type: Miniature Lamp GT-8 | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 3.8L V6 | 3057ST | 🇺🇸 US | Silver StarCool White | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 3.8L V6 | 3057SL | 🇺🇸 US | LED | View on Amazon |
| SYLVANIA Fits: 3.8L V6 | 3057LED | 🇺🇸 US | ZEVO | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: 3.8L V6 | 3057 | 🇺🇸 US | Base Type: W2.5x16qWattage: 26.90 W | View on Amazon |
| WAGNER Popular Fits: 3.8L V6 | 3057 | 🇺🇸 US | Bulb Type: Miniature Lamp GT-8Double Contact Wedge Base | View on Amazon |
| ACDELCO Fits: 3.8L V6 | L3057 | 🇺🇸 US 🇨🇦 CA | Professional | View on Amazon |
| HELLA Fits: 3.8L V6 | 3057 | 🇺🇸 US | IncandescentAverage Rated Life: 1200.0 HR | 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.
9 Brake Light Bulb parts are listed for the 2007 Buick Lacrosse, from SYLVANIA, WAGNER, ACDELCO and 1 other brand. SYLVANIA 3057 carries the "Popular" badge.
The Extended Life section: 2 options from SYLVANIA and WAGNER. SYLVANIA 3057LL is listed in this group.
The Extra Bright (improved visibility, but shorter life) section: 1 option from SYLVANIA. SYLVANIA 3057ST is listed in this group.
LED (instant-on, long life, energy-saving): 2 parts, from SYLVANIA. A representative part number is SYLVANIA 3057SL.
The Standard Replacement section: 4 options from SYLVANIA, WAGNER, ACDELCO and 1 other brand. SYLVANIA 3057 is listed in this group.
Part numbers include SYLVANIA 3057, SYLVANIA 3057LL and SYLVANIA 3057ST, among others listed above.
Daytime Running Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: 3.8L V6 | H11LL | 🇺🇸 US | Long Life | View on Amazon |
| HELLA Fits: 3.8L V6 | H11LL | 🇺🇸 US | HalogenSocket Type Bulb: PGJ19-2 | View on Amazon |
| WAGNER Fits: 3.8L V6 | 1255H11LL | 🇺🇸 US | Long Life | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: 3.8L V6 | H11P50 | 🇺🇸 US | HalogenPerformance 50+ | View on Amazon |
| HELLA Fits: 3.8L V6 | H1120 | 🇺🇸 US | HalogenSocket Type Bulb: PGJ19-2 | View on Amazon |
| SYLVANIA Fits: 3.8L V6 | H11XV | 🇺🇸 US | Xtra VisionColor Temperature: 3200 KV | View on Amazon |
| SYLVANIA Fits: 3.8L V6 | H11SU | 🇺🇸 US | Silver Star UltraColor Temperature: 4100 KV | View on Amazon |
| SYLVANIA Fits: 3.8L V6 | H11ST | 🇺🇸 US | Color Temperature: 4000 KVSilver Star | View on Amazon |
| WAGNER Fits: 3.8L V6 | H11BLX | 🇺🇸 US | BritelitePGJ19-2 Base | View on Amazon |
| WAGNER Fits: 3.8L V6 | H11TVX | 🇺🇸 US | Truview Plus1.733 Base | View on Amazon |
Reduced Glare (for rain, fog, snow, or rural driving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: 3.8L V6 | H11YL | 🇺🇸 US | HalogenSocket Type Bulb: PGJ19-2 | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: 3.8L V6 | H11 | 🇺🇸 US | Base Type: PGJ19-2 | View on Amazon |
| WAGNER Popular Fits: 3.8L V6 | 1255H11 | 🇺🇸 US | Bulb Color: Clear | View on Amazon |
| HELLA Fits: 3.8L V6 | H11 | 🇺🇸 US | HalogenSocket Type Bulb: PGJ19-2 or Socket Type Bulb: PGJY19-2 | 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.
14 Daytime Running Light Bulb parts for the 2007 Buick Lacrosse come from 3 brands — SYLVANIA, HELLA and WAGNER. The "Popular" part is SYLVANIA H11LL.
Extended Life: 3 parts, from SYLVANIA, HELLA and WAGNER. A representative part number is SYLVANIA H11LL.
Extra Bright (improved visibility, but shorter life): 7 parts, from SYLVANIA, HELLA and WAGNER. A representative part number is HELLA H11P50.
The Reduced Glare (for rain, fog, snow, or rural driving) section lists 1 option from HELLA — grouped under the catalog's "Reduced Glare (for rain, fog, snow, or rural driving)" designation — the notes column spells out what sets them apart. HELLA H11YL is listed in this group.
Standard Replacement: 3 parts, from SYLVANIA, WAGNER and HELLA. A representative part number is SYLVANIA H11.
Daytime Running Light Socket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: 3.8L V6 | PT2298 | 🇺🇸 US 🇨🇦 CA | GoldHeight (In): 1.5 in | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 3.8L V6 | HP3835 | 🇺🇸 US | HandypackConnector Shape: Oval | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 3.8L V6 | S553 | 🇺🇸 US | Connector Shape: OvalContact Terminal Material: Metal | View on Amazon |
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.
3 Daytime Running Light Socket parts for the 2007 Buick Lacrosse come from 2 brands — STANDARD MOTOR PRODUCTS and ACDELCO.
This group includes ACDELCO PT2298, STANDARD MOTOR PRODUCTS HP3835 and STANDARD MOTOR PRODUCTS S553.
Dome Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 3.8L V6 | 168LL | 🇺🇸 US | Long LifeBase Type: W2.1x9.2d | View on Amazon |
| WAGNER Fits: 3.8L V6 | 168LL | 🇺🇸 US | Long LifeWedge Base | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 3.8L V6 | 168ST | 🇺🇸 US | Cool WhiteSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: 3.8L V6 | 921LED5K | 🇺🇸 US | LED Miniature Bulb with Color Temperature of 5000KSocket Type Bulb: SV8.5-8 | View on Amazon |
| SYLVANIA Fits: 3.8L V6 | 168SL | 🇺🇸 US | LEDCool White | View on Amazon |
| WAGNER Fits: 3.8L V6 | T10LED | 🇺🇸 US | Tru View PLUS LED | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: 3.8L V6 | 168 | 🇺🇸 US | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| WAGNER Popular Fits: 3.8L V6 | 168 | 🇺🇸 US | Wedge Base4.900 Watt | View on Amazon |
| GM GENUINE Fits: 3.8L V6 | L168 | 🇺🇸 US 🇨🇦 CA | Bulb Technology: IncandescentHeight: 2 in | View on Amazon |
| SYLVANIA Fits: 3.8L V6 | 168 | 🇺🇸 US | Base Type: W2.1x9.2dWattage: 4.90 W | 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.
10 Dome Light Bulb parts are listed for the 2007 Buick Lacrosse, from SYLVANIA, WAGNER, HELLA and 1 other brand. HELLA 168 carries the "Popular" badge.
The Extended Life section: 2 options from SYLVANIA and WAGNER. SYLVANIA 168LL is listed in this group.
The Extra Bright (improved visibility, but shorter life) section: 1 option from SYLVANIA. SYLVANIA 168ST is listed in this group.
LED (instant-on, long life, energy-saving): 3 parts, from HELLA, SYLVANIA and WAGNER. A representative part number is HELLA 921LED5K.
The Standard Replacement section: 4 options from HELLA, WAGNER, GM GENUINE and 1 other brand. HELLA 168 is listed in this group.
Fog / Driving Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: 3.8L V6 | H11LL | 🇺🇸 US | Long Life | View on Amazon |
| HELLA Fits: 3.8L V6 | H11LL | 🇺🇸 US | HalogenSocket Type Bulb: PGJ19-2 | View on Amazon |
| WAGNER Fits: 3.8L V6 | 1255H11LL | 🇺🇸 US | Long Life | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: 3.8L V6 | H1120 | 🇺🇸 US | HalogenSocket Type Bulb: PGJ19-2 | View on Amazon |
| HELLA Fits: 3.8L V6 | H11P50 | 🇺🇸 US | HalogenPerformance 50+ | View on Amazon |
| SYLVANIA Fits: 3.8L V6 | H11XV | 🇺🇸 US | Xtra VisionColor Temperature: 3200 KV | View on Amazon |
| SYLVANIA Fits: 3.8L V6 | H11SU | 🇺🇸 US | Silver Star UltraColor Temperature: 4100 KV | View on Amazon |
| SYLVANIA Fits: 3.8L V6 | H11ST | 🇺🇸 US | Color Temperature: 4000 KVSilver Star | View on Amazon |
| WAGNER Fits: 3.8L V6 | H11BLX | 🇺🇸 US | BritelitePGJ19-2 Base | View on Amazon |
| WAGNER Fits: 3.8L V6 | H11TVX | 🇺🇸 US | Truview Plus1.733 Base | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 3.8L V6 | H11LEDSP | 🇺🇸 US | LEDBase Type: PGJ19-2 | View on Amazon |
| SYLVANIA Fits: 3.8L V6 | H11LEDHP | 🇺🇸 US | LED ULTRABase Type: PGJ19-2 | View on Amazon |
| WAGNER Fits: 3.8L V6 | H11LED | 🇺🇸 US | LED | View on Amazon |
Reduced Glare (for rain, fog, snow, or rural driving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: 3.8L V6 | H11YL | 🇺🇸 US | HalogenSocket Type Bulb: PGJ19-2 | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: 3.8L V6 | H11 | 🇺🇸 US | Base Type: PGJ19-2 | View on Amazon |
| WAGNER Popular Fits: 3.8L V6 | 1255H11 | 🇺🇸 US | Bulb Color: Clear | View on Amazon |
| GM GENUINE Fits: 3.8L V6 | 13503417 | 🇺🇸 US 🇨🇦 CA | FrontTrade # 11 | View on Amazon |
| HELLA Fits: 3.8L V6 | H11 | 🇺🇸 US | HalogenSocket Type Bulb: PGJ19-2 or Socket Type Bulb: PGJY19-2 | 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 Buick Lacrosse come from 4 brands — SYLVANIA, HELLA, WAGNER and 1 other brand. The "Popular" part is SYLVANIA H11LL.
Extended Life: 3 parts, from SYLVANIA, HELLA and WAGNER. A representative part number is SYLVANIA H11LL.
Extra Bright (improved visibility, but shorter life): 7 parts, from SYLVANIA, HELLA and WAGNER. A representative part number is HELLA H1120.
The LED (instant-on, long life, energy-saving) section: 3 options from SYLVANIA and WAGNER. SYLVANIA H11LEDSP is listed in this group.
The Reduced Glare (for rain, fog, snow, or rural driving) section: 1 option from HELLA. HELLA H11YL is listed in this group.
Standard Replacement: 4 parts, from SYLVANIA, WAGNER, GM GENUINE and 1 other brand. A representative part number is SYLVANIA H11.
Fog / Driving Lamp Socket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 3.8L V6 | S2611 | 🇺🇸 US | Connector Shape: OvalContact Terminal Material: Plastic | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 3.8L V6 | LWH104 | 🇺🇸 US | Blue Streak | View on Amazon |
| WALKER PRODUCTS Fits: 3.8L V6 | 2701120 | 🇺🇸 US | Terminal Gender: Female | View on Amazon |
| WELLS Fits: 3.8L V6 | 1P3537 | 🇺🇸 US | Used with H11 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 for the 2007 Buick Lacrosse come from 3 brands — STANDARD MOTOR PRODUCTS, WALKER PRODUCTS and WELLS.
Part numbers include STANDARD MOTOR PRODUCTS S2611, STANDARD MOTOR PRODUCTS LWH104 and WALKER PRODUCTS 2701120, among others listed above.
Glove Box Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: 3.8L V6 | 194LL | 🇺🇸 US | IncandescentLong Life | View on Amazon |
| SYLVANIA Fits: 3.8L V6 | 194LL | 🇺🇸 US | Long LifeBase Type: W2.1x9.2d | View on Amazon |
| WAGNER Fits: 3.8L V6 | 194LL | 🇺🇸 US | Long LifeBulb Type: T-3-1/4 Bulb 13/32 (10mm) Diameter | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 3.8L V6 | 194ST | 🇺🇸 US | Color Temperature: 3200 KVSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: 3.8L V6 | 921LED5K | 🇺🇸 US | LED Miniature Bulb with Color Temperature of 5000KSocket Type Bulb: SV8.5-8 | View on Amazon |
| DORMAN Fits: 3.8L V6 | 194WHP | 🇺🇸 US | Bulb Type 1942 Watt | View on Amazon |
| DORMAN Fits: 3.8L V6 | 194WSMD | 🇺🇸 US | Bulb Type 1941.2 Watt | View on Amazon |
| SYLVANIA Fits: 3.8L V6 | 194BSL | 🇺🇸 US | LEDBlue | View on Amazon |
| SYLVANIA Fits: 3.8L V6 | 194SL | 🇺🇸 US | LEDCool White | View on Amazon |
| SYLVANIA Fits: 3.8L V6 | 194BLED | 🇺🇸 US | BlueZEVO | View on Amazon |
| SYLVANIA Fits: 3.8L V6 | 194LED | 🇺🇸 US | ZEVOCool White | View on Amazon |
| WAGNER Fits: 3.8L V6 | T10LED | 🇺🇸 US | Tru View PLUS LED | View on Amazon |
| WAGNER Fits: 3.8L V6 | 194LEDW | 🇺🇸 US | 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: 3.8L V6 | 194 | 🇺🇸 US | Brightness: 2.0 CPIncandescent | View on Amazon |
| SYLVANIA Popular Fits: 3.8L V6 | 194 | 🇺🇸 US | Base Type: W2.1x9.2dWattage: 3.80 W | View on Amazon |
| WAGNER Popular Fits: 3.8L V6 | 194 | 🇺🇸 US | Wedge Base3.780 Watt | View on Amazon |
| GM GENUINE Fits: 3.8L V6 | 13503401 | 🇺🇸 US 🇨🇦 CA | T3-1/4 MINIATURE WEDGE BASE | View on Amazon |
| GM GENUINE Fits: 3.8L V6 | 13503359 | 🇺🇸 US 🇨🇦 CA | SIDE MARKER SOCKET | 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.
18 Glove Box Light Bulb parts for the 2007 Buick Lacrosse come from 5 brands — SYLVANIA, WAGNER, HELLA and 2 other brands. The "Popular" part is HELLA 921LED5K.
Extended Life: 3 parts, from HELLA, SYLVANIA and WAGNER. A representative part number is HELLA 194LL.
Extra Bright (improved visibility, but shorter life): 1 part, from SYLVANIA. A representative part number is SYLVANIA 194ST.
The LED (instant-on, long life, energy-saving) section: 9 options from SYLVANIA, DORMAN, WAGNER and 1 other brand. HELLA 921LED5K is listed in this group.
Standard Replacement: 5 parts, from GM GENUINE, HELLA, SYLVANIA and 1 other brand. A representative part number is HELLA 194.
Headlamp Bulb
Blue-Coated (stylish, bright-white look)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: 3.8L V6 | H71070792 | 🇺🇸 US | Extreme WhiteHalogen | View on Amazon |
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: 3.8L V6 | H11LL | 🇺🇸 US | Long Life | View on Amazon |
| HELLA Fits: 3.8L V6 | H11LL | 🇺🇸 US | HalogenSocket Type Bulb: PGJ19-2 | View on Amazon |
| WAGNER Fits: 3.8L V6 | 1255H11LL | 🇺🇸 US | Long Life | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: 3.8L V6 | H11P50 | 🇺🇸 US | HalogenPerformance 50+ | View on Amazon |
| HELLA Popular Fits: 3.8L V6 | H1120 | 🇺🇸 US | HalogenSocket Type Bulb: PGJ19-2 | View on Amazon |
| HELLA Fits: 3.8L V6 | H920 | 🇺🇸 US | HalogenSocket Type Bulb: PGJ19-5 | View on Amazon |
| SYLVANIA Fits: 3.8L V6 | H11XV | 🇺🇸 US | Xtra VisionColor Temperature: 3200 KV | View on Amazon |
| SYLVANIA Fits: 3.8L V6 | H11SU | 🇺🇸 US | Silver Star UltraColor Temperature: 4100 KV | View on Amazon |
| SYLVANIA Fits: 3.8L V6 | H11ST | 🇺🇸 US | Color Temperature: 4000 KVSilver Star | View on Amazon |
| SYLVANIA Fits: 3.8L V6 | H9ST | 🇺🇸 US | Silver StarColor Temperature: 4000 KV | View on Amazon |
| WAGNER Fits: 3.8L V6 | H11BLX | 🇺🇸 US | BritelitePGJ19-2 Base | View on Amazon |
| WAGNER Fits: 3.8L V6 | H11TVX | 🇺🇸 US | Truview Plus1.733 Base | View on Amazon |
Reduced Glare (for rain, fog, snow, or rural driving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: 3.8L V6 | H71071092 | 🇺🇸 US | Extreme YellowHalogen | View on Amazon |
| HELLA Fits: 3.8L V6 | H11YL | 🇺🇸 US | HalogenSocket Type Bulb: PGJ19-2 | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: 3.8L V6 | H11 | 🇺🇸 US | Base Type: PGJ19-2 | View on Amazon |
| WAGNER Popular Fits: 3.8L V6 | 1255H11 | 🇺🇸 US | Bulb Color: Clear | View on Amazon |
| GM GENUINE Fits: 3.8L V6 | H9 | 🇺🇸 US 🇨🇦 CA | High BeamTRADE # H9 | View on Amazon |
| GM GENUINE Fits: 3.8L V6 | 13503417 | 🇺🇸 US 🇨🇦 CA | Low BeamTrade # 11 | View on Amazon |
| HELLA Fits: 3.8L V6 | H9 | 🇺🇸 US | HalogenSocket Type Bulb: PGJ19-5 | View on Amazon |
| HELLA Fits: 3.8L V6 | H11 | 🇺🇸 US | HalogenSocket Type Bulb: PGJ19-2 or Socket Type Bulb: PGJY19-2 | View on Amazon |
| PHILIPS Fits: 3.8L V6 | H9 | 🇺🇸 US | High Beam | View on Amazon |
| SYLVANIA Fits: 3.8L V6 | H9 | 🇺🇸 US | High Beam | View on Amazon |
| WAGNER Fits: 3.8L V6 | 1265H9 | 🇺🇸 US | High BeamHalogen | 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.
24 Headlamp Bulb parts for the 2007 Buick Lacrosse come from 5 brands — HELLA, SYLVANIA, WAGNER and 2 other brands. The "Popular" part is SYLVANIA H11LL.
In the Blue-Coated (stylish, bright-white look) grade, HELLA supplies 1 part: grouped under the catalog's "Blue-Coated (stylish, bright-white look)" designation — the notes column spells out what sets them apart. A representative part number is HELLA H71070792.
Extended Life: 3 parts, from SYLVANIA, HELLA and WAGNER. A representative part number is SYLVANIA H11LL.
Extra Bright (improved visibility, but shorter life): 9 parts, from SYLVANIA, HELLA and WAGNER. A representative part number is HELLA H11P50.
The Reduced Glare (for rain, fog, snow, or rural driving) section: 2 options from HELLA. HELLA H71071092 is listed in this group.
Standard Replacement: 9 parts, from SYLVANIA, WAGNER, GM GENUINE and 2 other brands. A representative part number is SYLVANIA H11.
Headlamp Socket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Popular Fits: 3.8L V6 | 84783 | 🇺🇸 US | H8/H11 HARNESS | View on Amazon |
| DORMAN Popular Fits: 3.8L V6 | 645993 | 🇺🇸 US | Low BeamH11 | View on Amazon |
| SKP Popular Fits: 3.8L V6 | SKS553 | 🇺🇸 US | Fits Low Beamor Black and Blu | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular Fits: 3.8L V6 | HP3835 | 🇺🇸 US | HandypackConnector Shape: Oval | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular Fits: 3.8L V6 | S553 | 🇺🇸 US | Connector Shape: OvalContact Terminal Material: Metal | View on Amazon |
| ACDELCO Fits: 3.8L V6 | PT2298 | 🇺🇸 US 🇨🇦 CA | GoldHeight (In): 1.5 in | View on Amazon |
| DORMAN Fits: 3.8L V6 | 84402 | 🇺🇸 US | High Temperature Socket | View on Amazon |
| DORMAN Fits: 3.8L V6 | 84784 | 🇺🇸 US | H9 HARNESS | View on Amazon |
| DORMAN Fits: 3.8L V6 | 90803 | 🇺🇸 US | Low BeamCeramic Socket | View on Amazon |
| DORMAN Fits: 3.8L V6 | 90804 | 🇺🇸 US | Bulb H9Ceramic Socket | View on Amazon |
| GM GENUINE Fits: 3.8L V6 | PT3800 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| GM GENUINE Fits: 3.8L V6 | PT3880 | 🇺🇸 US 🇨🇦 CA | Gray6-Way Female | View on Amazon |
| ROSTRA Fits: 3.8L V6 | 610029 | 🇺🇸 US | View on Amazon | |
| ROSTRA Fits: 3.8L V6 | 610001 | 🇺🇸 US | Low Beam | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 3.8L V6 | S2611 | 🇺🇸 US | Connector Shape: OvalContact Terminal Material: Plastic | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 3.8L V6 | S1664 | 🇺🇸 US | Orange and WhiteHigh Beam | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: 3.8L V6 | CON33 | 🇺🇸 US | High Beamwith 2 Female Terminals | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: 3.8L V6 | CON78 | 🇺🇸 US | Low Beamwith 2 Female Terminals | View on Amazon |
| WALKER PRODUCTS Fits: 3.8L V6 | 2701120 | 🇺🇸 US | Terminal Gender: Female | View on Amazon |
| WELLS Fits: 3.8L V6 | 1P2076 | 🇺🇸 US | Low Beam | View on Amazon |
| WELLS Fits: 3.8L V6 | 1P1473 | 🇺🇸 US | High Beam | View on Amazon |
| WELLS Fits: 3.8L V6 | 1P3537 | 🇺🇸 US | Used with H11 BulbLow Beam | View on Amazon |
| WELLS Fits: 3.8L V6 | 1P3545 | 🇺🇸 US | Used with H9 BulbHigh 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.
23 Headlamp Socket parts for the 2007 Buick Lacrosse come from 9 brands — DORMAN, STANDARD MOTOR PRODUCTS, WELLS and 6 other brands. The "Popular" part is DORMAN 84783.
LED Bulb Adapter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Fits: 3.8L V6 | CBH8H11H16 | 🇺🇸 US | For H8 / H11 / H16 Bulb | View on Amazon |
This table covers the LED Bulb adapters.
This group shows a single part: WAGNER CBH8H11H16.
License Plate Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: 3.8L V6 | 194LL | 🇺🇸 US | IncandescentLong Life | View on Amazon |
| SYLVANIA Fits: 3.8L V6 | 194LL | 🇺🇸 US | Long LifeBase Type: W2.1x9.2d | View on Amazon |
| WAGNER Fits: 3.8L V6 | 194LL | 🇺🇸 US | Long LifeBulb Type: T-3-1/4 Bulb 13/32 (10mm) Diameter | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 3.8L V6 | 194ST | 🇺🇸 US | Color Temperature: 3200 KVSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: 3.8L V6 | 921LED5K | 🇺🇸 US | LED Miniature Bulb with Color Temperature of 5000KSocket Type Bulb: SV8.5-8 | View on Amazon |
| SYLVANIA Fits: 3.8L V6 | 194BSL | 🇺🇸 US | LEDBlue | View on Amazon |
| SYLVANIA Fits: 3.8L V6 | 194SL | 🇺🇸 US | LEDCool White | View on Amazon |
| WAGNER Fits: 3.8L V6 | 194LEDW | 🇺🇸 US | 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: 3.8L V6 | 194 | 🇺🇸 US | Brightness: 2.0 CPIncandescent | View on Amazon |
| PHILIPS Popular Fits: 3.8L V6 | 194 | 🇺🇸 US 🇨🇦 CA | License Plate LightStandard | View on Amazon |
| WAGNER Popular Fits: 3.8L V6 | 194 | 🇺🇸 US | Wedge Base3.780 Watt | View on Amazon |
| SYLVANIA Fits: 3.8L V6 | 194 | 🇺🇸 US | Base Type: W2.1x9.2dWattage: 3.80 W | 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.
12 License Plate Lamp Bulb parts are listed for the 2007 Buick Lacrosse, from SYLVANIA, HELLA, WAGNER and 1 other brand. HELLA 194 carries the "Popular" badge.
The Extended Life section: 3 options from HELLA, SYLVANIA and WAGNER. HELLA 194LL is listed in this group.
The Extra Bright (improved visibility, but shorter life) section: 1 option from SYLVANIA. SYLVANIA 194ST is listed in this group.
LED (instant-on, long life, energy-saving): 4 parts, from SYLVANIA, HELLA and WAGNER. A representative part number is HELLA 921LED5K.
The Standard Replacement section: 4 options from HELLA, PHILIPS, WAGNER and 1 other brand. HELLA 194 is listed in this group.
License Plate Lamp Socket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ROSTRA Fits: 3.8L V6 | 610941 | 🇺🇸 US | View on Amazon | |
| WELLS Fits: 3.8L V6 | 1P2154 | 🇺🇸 US | View on Amazon |
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.
2 License Plate Lamp Socket parts are listed for the 2007 Buick Lacrosse, from ROSTRA and WELLS.
Part numbers include ROSTRA 610941 and WELLS 1P2154.
Map / Reading Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: 3.8L V6 | 168LL | 🇺🇸 US | IncandescentLong Life | View on Amazon |
| SYLVANIA Fits: 3.8L V6 | 168LL | 🇺🇸 US | Long LifeBase Type: W2.1x9.2d | View on Amazon |
| WAGNER Fits: 3.8L V6 | 168LL | 🇺🇸 US | Long LifeWedge Base | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 3.8L V6 | 168ST | 🇺🇸 US | Cool WhiteSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: 3.8L V6 | 921LED5K | 🇺🇸 US | LED Miniature Bulb with Color Temperature of 5000KSocket Type Bulb: SV8.5-8 | View on Amazon |
| SYLVANIA Fits: 3.8L V6 | 168SL | 🇺🇸 US | LEDCool White | View on Amazon |
| WAGNER Fits: 3.8L V6 | T10LED | 🇺🇸 US | Tru View PLUS LED | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: 3.8L V6 | 168 | 🇺🇸 US | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| WAGNER Popular Fits: 3.8L V6 | 168 | 🇺🇸 US | Wedge Base4.900 Watt | View on Amazon |
| GM GENUINE Fits: 3.8L V6 | L168 | 🇺🇸 US 🇨🇦 CA | Bulb Technology: IncandescentHeight: 2 in | View on Amazon |
| SYLVANIA Fits: 3.8L V6 | 168 | 🇺🇸 US | Base Type: W2.1x9.2dWattage: 4.90 W | 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.
11 Map / Reading Light Bulb parts are listed for the 2007 Buick Lacrosse, from SYLVANIA, HELLA, WAGNER and 1 other brand. HELLA 921LED5K carries the "Popular" badge.
The Extended Life section: 3 options from HELLA, SYLVANIA and WAGNER. HELLA 168LL is listed in this group.
The Extra Bright (improved visibility, but shorter life) section: 1 option from SYLVANIA. SYLVANIA 168ST is listed in this group.
LED (instant-on, long life, energy-saving): 3 parts, from HELLA, SYLVANIA and WAGNER. A representative part number is HELLA 921LED5K.
The Standard Replacement section: 4 options from HELLA, WAGNER, GM GENUINE and 1 other brand. HELLA 168 is listed in this group.
Overhead Console Light Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.8L V6 | L168 | 🇺🇸 US 🇨🇦 CA | Bulb Technology: IncandescentHeight: 2 in | 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.
One part is listed for the 2007 Buick Lacrosse — GM GENUINE L168.
Parking Brake Warning Light Bulb
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PILOT AUTOMOTIVE Fits: 3.8L V6 | LI3057RC | 🇺🇸 US 🇨🇦 CA | Stop LightExterior Bulbs,Standard | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Fits: 3.8L V6 | 3057 | 🇺🇸 US 🇨🇦 CA | Stop LightStandard | View on Amazon |
This table covers the replacement bulbs for the Parking Brake Warning 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.
2 Parking Brake Warning Light Bulb parts are listed for the 2007 Buick Lacrosse, from PILOT AUTOMOTIVE and PHILIPS.
LED (instant-on, long life, energy-saving): 1 part, from PILOT AUTOMOTIVE. A representative part number is PILOT AUTOMOTIVE LI3057RC.
The Standard Replacement section: 1 option from PHILIPS. PHILIPS 3057 is listed in this group.
Part numbers include PILOT AUTOMOTIVE LI3057RC and PHILIPS 3057.
Parking Lamp Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Fits: 3.8L V6 | 4157NALL | 🇺🇸 US | Longer LifeNatural Amber | View on Amazon |
| SYLVANIA Fits: 3.8L V6 | 4157NALL | 🇺🇸 US | Long LifeAmber | View on Amazon |
| WAGNER Fits: 3.8L V6 | 4157NALL | 🇺🇸 US | Long LifeNatural Amber | 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.
3 Parking Lamp Bulb parts for the 2007 Buick Lacrosse come from 3 brands — PHILIPS, SYLVANIA and WAGNER.
Part numbers include PHILIPS 4157NALL, among others listed above.
Parking Lamp Socket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular Fits: 3.8L V6 | LS44 | 🇺🇸 US 🇨🇦 CA | DK Gray2-Way Female | View on Amazon |
| GM GENUINE Fits: 3.8L V6 | LS116 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ROSTRA Fits: 3.8L V6 | 610091 | 🇺🇸 US | Front Right | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 3.8L V6 | S1735 | 🇺🇸 US | with Straight Socket | View on Amazon |
| WELLS Fits: 3.8L V6 | 1P1722 | 🇺🇸 US | Front Right | View on Amazon |
This table covers the sockets that hold a Parking 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 Parking Lamp Socket parts for the 2007 Buick Lacrosse come from 4 brands — GM GENUINE, ROSTRA, STANDARD MOTOR PRODUCTS and 1 other brand. The "Popular" part is GM GENUINE LS44.
Listed part numbers: GM GENUINE LS44, GM GENUINE LS116 and ROSTRA 610091, plus the other parts above.
Side Marker Lamp Socket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.8L V6 | LS98 | 🇺🇸 US 🇨🇦 CA | Fits RearWedge Based 2-Way Female with Leads | View on Amazon |
| WELLS Fits: 3.8L V6 | 1P2616 | 🇺🇸 US | Fits Frontwith 2 Terminals | 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.
2 Side Marker Lamp Socket parts are listed for the 2007 Buick Lacrosse, from GM GENUINE and WELLS.
Part numbers include GM GENUINE LS98 and WELLS 1P2616.
Side Marker Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: 3.8L V6 | 194LL | 🇺🇸 US | IncandescentLong Life | View on Amazon |
| SYLVANIA Fits: 3.8L V6 | 194LL | 🇺🇸 US | Long LifeBase Type: W2.1x9.2d | View on Amazon |
| WAGNER Fits: 3.8L V6 | 194LL | 🇺🇸 US | Long LifeBulb Type: T-3-1/4 Bulb 13/32 (10mm) Diameter | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 3.8L V6 | 194ST | 🇺🇸 US | Color Temperature: 3200 KVSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 3.8L V6 | 194BSL | 🇺🇸 US | LEDBlue | View on Amazon |
| SYLVANIA Fits: 3.8L V6 | 194SL | 🇺🇸 US | LEDCool White | View on Amazon |
| WAGNER Fits: 3.8L V6 | 194LEDW | 🇺🇸 US | 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: 3.8L V6 | 194 | 🇺🇸 US | Brightness: 2.0 CPIncandescent | View on Amazon |
| PHILIPS Popular Fits: 3.8L V6 | 194 | 🇺🇸 US 🇨🇦 CA | Fits FrontStandard | View on Amazon |
| WAGNER Popular Fits: 3.8L V6 | 194 | 🇺🇸 US | Wedge Base3.780 Watt | View on Amazon |
| SYLVANIA Fits: 3.8L V6 | 194 | 🇺🇸 US | Base Type: W2.1x9.2dWattage: 3.80 W | 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.
11 Side Marker Light Bulb parts are listed for the 2007 Buick Lacrosse, from SYLVANIA, WAGNER, HELLA and 1 other brand. HELLA 194 carries the "Popular" badge.
The Extended Life section: 3 options from HELLA, SYLVANIA and WAGNER. HELLA 194LL is listed in this group.
The Extra Bright (improved visibility, but shorter life) section: 1 option from SYLVANIA. SYLVANIA 194ST is listed in this group.
LED (instant-on, long life, energy-saving): 3 parts, from SYLVANIA and WAGNER. A representative part number is SYLVANIA 194BSL.
The Standard Replacement section: 4 options from HELLA, PHILIPS, WAGNER and 1 other brand. HELLA 194 is listed in this group.
Step / Courtesy Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: 3.8L V6 | 194LL | 🇺🇸 US | IncandescentLong Life | View on Amazon |
| SYLVANIA Fits: 3.8L V6 | 194LL | 🇺🇸 US | Long LifeBase Type: W2.1x9.2d | View on Amazon |
| WAGNER Fits: 3.8L V6 | 194LL | 🇺🇸 US | Long LifeBulb Type: T-3-1/4 Bulb 13/32 (10mm) Diameter | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 3.8L V6 | 194ST | 🇺🇸 US | Color Temperature: 3200 KVSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: 3.8L V6 | 921LED5K | 🇺🇸 US | LED Miniature Bulb with Color Temperature of 5000KSocket Type Bulb: SV8.5-8 | View on Amazon |
| DORMAN Fits: 3.8L V6 | 194WHP | 🇺🇸 US | Bulb Type 1942 Watt | View on Amazon |
| DORMAN Fits: 3.8L V6 | 194WSMD | 🇺🇸 US | Bulb Type 1941.2 Watt | View on Amazon |
| SYLVANIA Fits: 3.8L V6 | 194BSL | 🇺🇸 US | LEDBlue | View on Amazon |
| SYLVANIA Fits: 3.8L V6 | 194SL | 🇺🇸 US | LEDCool White | View on Amazon |
| SYLVANIA Fits: 3.8L V6 | 194BLED | 🇺🇸 US | BlueZEVO | View on Amazon |
| SYLVANIA Fits: 3.8L V6 | 194LED | 🇺🇸 US | ZEVOCool White | View on Amazon |
| WAGNER Fits: 3.8L V6 | T10LED | 🇺🇸 US | Tru View PLUS LED | View on Amazon |
| WAGNER Fits: 3.8L V6 | 194LEDW | 🇺🇸 US | 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: 3.8L V6 | 194 | 🇺🇸 US | Brightness: 2.0 CPIncandescent | View on Amazon |
| SYLVANIA Popular Fits: 3.8L V6 | 194 | 🇺🇸 US | Base Type: W2.1x9.2dWattage: 3.80 W | View on Amazon |
| WAGNER Popular Fits: 3.8L V6 | 194 | 🇺🇸 US | Wedge Base3.780 Watt | View on Amazon |
| GM GENUINE Fits: 3.8L V6 | L168 | 🇺🇸 US 🇨🇦 CA | Bulb Technology: IncandescentHeight: 2 in | 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.
17 Step / Courtesy Light Bulb parts are listed for the 2007 Buick Lacrosse, from SYLVANIA, WAGNER, HELLA and 2 other brands. HELLA 921LED5K carries the "Popular" badge.
The Extended Life section: 3 options from HELLA, SYLVANIA and WAGNER. HELLA 194LL is listed in this group.
The Extra Bright (improved visibility, but shorter life) section: 1 option from SYLVANIA. SYLVANIA 194ST is listed in this group.
LED (instant-on, long life, energy-saving): 9 parts, from SYLVANIA, DORMAN, WAGNER and 1 other brand. A representative part number is HELLA 921LED5K.
The Standard Replacement section: 4 options from HELLA, SYLVANIA, WAGNER and 1 other brand. HELLA 194 is listed in this group.
Tail Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: 3.8L V6 | 194LL | 🇺🇸 US | Long LifeBase Type: W2.1x9.2d | View on Amazon |
| FAMOUS BRAND Fits: 3.8L V6 | BLB3057LL | 🇺🇸 US 🇨🇦 CA | Tail LightOuter | View on Amazon |
| HELLA Fits: 3.8L V6 | 194LL | 🇺🇸 US | IncandescentLong Life | View on Amazon |
| SYLVANIA Fits: 3.8L V6 | 3057LL | 🇺🇸 US | Long LifeBase Type: W2.5x16q | View on Amazon |
| WAGNER Fits: 3.8L V6 | 194LL | 🇺🇸 US | Long LifeBulb Type: T-3-1/4 Bulb 13/32 (10mm) Diameter | View on Amazon |
| WAGNER Fits: 3.8L V6 | 3057LL | 🇺🇸 US | Long LifeBulb Type: Miniature Lamp GT-8 | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 3.8L V6 | 3057ST | 🇺🇸 US | Silver StarCool White | View on Amazon |
| SYLVANIA Fits: 3.8L V6 | 194ST | 🇺🇸 US | Color Temperature: 3200 KVSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 3.8L V6 | 194WHP | 🇺🇸 US | Bulb Type 1942 Watt | View on Amazon |
| DORMAN Fits: 3.8L V6 | 194WSMD | 🇺🇸 US | Bulb Type 1941.2 Watt | View on Amazon |
| PILOT AUTOMOTIVE Fits: 3.8L V6 | LI3057RC | 🇺🇸 US 🇨🇦 CA | Exterior Bulbs,StandardWide Angle Red LED, 3057 APP | View on Amazon |
| WAGNER Fits: 3.8L V6 | T10LED | 🇺🇸 US | Tru View PLUS LED | View on Amazon |
| WAGNER Fits: 3.8L V6 | 194LEDW | 🇺🇸 US | LEDGlass:Clear (T3-1/4), Number of Filaments:1, Watts:3.78 (0.16 cp), Base:Wedge (W2.1x9.5d) | View on Amazon |
| WAGNER Fits: 3.8L V6 | 3057WLED | 🇺🇸 US | LED2 Watt | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: 3.8L V6 | 194 | 🇺🇸 US | Brightness: 2.0 CPIncandescent | View on Amazon |
| PHILIPS Popular Fits: 3.8L V6 | 194 | 🇺🇸 US 🇨🇦 CA | Tail LightStandard | View on Amazon |
| SYLVANIA Popular Fits: 3.8L V6 | 194 | 🇺🇸 US | Base Type: W2.1x9.2dWattage: 3.80 W | View on Amazon |
| WAGNER Popular Fits: 3.8L V6 | 194 | 🇺🇸 US | Wedge Base3.780 Watt | View on Amazon |
| ACDELCO Fits: 3.8L V6 | L3057 | 🇺🇸 US 🇨🇦 CA | Professional | View on Amazon |
| HELLA Fits: 3.8L V6 | 3057 | 🇺🇸 US | IncandescentAverage Rated Life: 1200.0 HR | View on Amazon |
| PHILIPS Fits: 3.8L V6 | 3057 | 🇺🇸 US 🇨🇦 CA | Standard | View on Amazon |
| SYLVANIA Fits: 3.8L V6 | 3057 | 🇺🇸 US | Base Type: W2.5x16qWattage: 26.90 W | View on Amazon |
| WAGNER Fits: 3.8L V6 | 3057 | 🇺🇸 US | Bulb Type: Miniature Lamp GT-8Double Contact Wedge Base | 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.
23 Tail Lamp Bulb parts for the 2007 Buick Lacrosse come from 8 brands — WAGNER, SYLVANIA, HELLA and 5 other brands. The "Popular" part is SYLVANIA 194LL.
Extended Life: 6 parts, from SYLVANIA, WAGNER, FAMOUS BRAND and 1 other brand. A representative part number is SYLVANIA 194LL.
Extra Bright (improved visibility, but shorter life): 2 parts, from SYLVANIA. A representative part number is SYLVANIA 3057ST.
The LED (instant-on, long life, energy-saving) section: 6 options from WAGNER, DORMAN and PILOT AUTOMOTIVE. DORMAN 194WHP is listed in this group.
Standard Replacement: 9 parts, from HELLA, PHILIPS, SYLVANIA and 2 other brands. A representative part number is HELLA 194.
Tail Lamp Socket / Connector Plate
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 3.8L V6 | 85882 | 🇺🇸 US | Terminal Gender: Female3-Wire | View on Amazon |
This table covers the Tail Lamp Socket / Connector plates. Typical signs include warpage, cracks, or a plate that no longer locates the assembly. Confirm which plate the notes describe — backing plates, clutch plates and strike plates are different parts.
This group shows a single part: DORMAN 85882.
Trunk / Cargo Area Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 3.8L V6 | 912LL | 🇺🇸 US | Long LifeBase Type: W2.1x9.2d | View on Amazon |
| WAGNER Fits: 3.8L V6 | 912LL | 🇺🇸 US | Long LifeWedge Base | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: 3.8L V6 | 921LED5K | 🇺🇸 US | LED Miniature Bulb with Color Temperature of 5000KSocket Type Bulb: SV8.5-8 | View on Amazon |
| SYLVANIA Fits: 3.8L V6 | 912SL | 🇺🇸 US | LEDCool White | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Popular Fits: 3.8L V6 | 912 | 🇺🇸 US | Wedge Base12.800 Watt | View on Amazon |
| HELLA Fits: 3.8L V6 | 912 | 🇺🇸 US | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| PHILIPS Fits: 3.8L V6 | 912 | 🇺🇸 US 🇨🇦 CA | Trunk Light | View on Amazon |
| SYLVANIA Fits: 3.8L V6 | 912 | 🇺🇸 US | Base Type: W2.1x9.2dWattage: 13.00 W | 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.
8 Trunk / Cargo Area Light Bulb parts for the 2007 Buick Lacrosse come from 4 brands — SYLVANIA, WAGNER, HELLA and 1 other brand. The "Popular" part is HELLA 921LED5K.
Extended Life: 2 parts, from SYLVANIA and WAGNER. A representative part number is SYLVANIA 912LL.
The LED (instant-on, long life, energy-saving) section: 2 options from HELLA and SYLVANIA. HELLA 921LED5K is listed in this group.
Standard Replacement: 4 parts, from WAGNER, HELLA, PHILIPS and 1 other brand. A representative part number is WAGNER 912.
Part numbers include HELLA 921LED5K and SYLVANIA 912LL, among others listed above.
Turn Signal Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Popular Fits: 3.8L V6 | 4157NALL | 🇺🇸 US | Longer LifeNatural Amber | View on Amazon |
| FAMOUS BRAND Fits: 3.8L V6 | BLB3057LL | 🇺🇸 US 🇨🇦 CA | Rear26.9/6.72 Watt, Plastic Wedge Base, Long Life | View on Amazon |
| SYLVANIA Fits: 3.8L V6 | 3057LL | 🇺🇸 US | Long LifeBase Type: W2.5x16q | View on Amazon |
| SYLVANIA Fits: 3.8L V6 | 4157NALL | 🇺🇸 US | Long LifeAmber | View on Amazon |
| WAGNER Fits: 3.8L V6 | 3057LL | 🇺🇸 US | Long LifeBulb Type: Miniature Lamp GT-8 | View on Amazon |
| WAGNER Fits: 3.8L V6 | 4157NALL | 🇺🇸 US | Long LifeNatural Amber | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 3.8L V6 | 3057ST | 🇺🇸 US | Silver StarCool White | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PILOT AUTOMOTIVE Fits: 3.8L V6 | LI3057RC | 🇺🇸 US 🇨🇦 CA | RearExterior Bulbs,Standard | View on Amazon |
| WAGNER Fits: 3.8L V6 | 3057WLED | 🇺🇸 US | LED2 Watt | View on Amazon |
| WAGNER Fits: 3.8L V6 | 4157NALED | 🇺🇸 US | Natural AmberLED | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Popular Fits: 3.8L V6 | 3057 | 🇺🇸 US 🇨🇦 CA | RearStandard | View on Amazon |
| WAGNER Popular Fits: 3.8L V6 | 3057 | 🇺🇸 US | Bulb Type: Miniature Lamp GT-8Double Contact Wedge Base | View on Amazon |
| ACDELCO Fits: 3.8L V6 | L3057 | 🇺🇸 US 🇨🇦 CA | Professional | View on Amazon |
| HELLA Fits: 3.8L V6 | 3057 | 🇺🇸 US | IncandescentAverage Rated Life: 1200.0 HR | View on Amazon |
| SYLVANIA Fits: 3.8L V6 | 3057 | 🇺🇸 US | Base Type: W2.5x16qWattage: 26.90 W | 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.
15 Turn Signal Lamp Bulb parts are listed for the 2007 Buick Lacrosse, from WAGNER, SYLVANIA, PHILIPS and 4 other brands. PHILIPS 4157NALL carries the "Popular" badge.
The Extended Life section: 6 options from SYLVANIA, WAGNER, PHILIPS and 1 other brand. PHILIPS 4157NALL is listed in this group.
The Extra Bright (improved visibility, but shorter life) section: 1 option from SYLVANIA. SYLVANIA 3057ST is listed in this group.
LED (instant-on, long life, energy-saving): 3 parts, from WAGNER and PILOT AUTOMOTIVE. A representative part number is PILOT AUTOMOTIVE LI3057RC.
The Standard Replacement section: 5 options from PHILIPS, WAGNER, ACDELCO and 2 other brands. PHILIPS 3057 is listed in this group.
Turn Signal Lamp Socket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ROSTRA Fits: 3.8L V6 | 610091 | 🇺🇸 US | Fits Front Right | View on Amazon |
| WELLS Fits: 3.8L V6 | 1P1722 | 🇺🇸 US | Fits Front Right | View on Amazon |
This table covers the sockets that hold a Turn Signal 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.
2 Turn Signal Lamp Socket parts are listed for the 2007 Buick Lacrosse, from ROSTRA and WELLS.
Part numbers include ROSTRA 610091 and WELLS 1P1722.
Vanity Mirror / Sun Visor Light Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.8L V6 | L7065 | 🇺🇸 US 🇨🇦 CA | Terminal Type: Bullet | View on Amazon |
This table covers the replacement bulbs for the Vanity Mirror / Sun Visor 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: GM GENUINE L7065.
Buying Electrical Bulb & Socket Parts for a 2007 Buick Lacrosse
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 Headlamp Socket .
Frequently Asked Questions
How many electrical bulb & socket parts fit the 2007 Buick Lacrosse?
Our catalog currently lists 248 electrical bulb & socket parts for the 2007 Buick Lacrosse across 27 subcategories and 15 brands, covering both the 3.6L V6 and the 3.8L V6. Each part is matched to the engine(s) it fits.
Do electrical bulb & socket parts differ between 2007 Buick Lacrosse 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 Buick Lacrosse?
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 Buick Lacrosse 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 Buick Lacrosse?
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 Buick Lacrosse
Electrical Bulb & Socket Parts for Other Buick Lacrosse 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.