2017 Buick Envision Electrical Bulb & Socket Parts

Engine:

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

The 2017 Buick Envision has 88 electrical bulb & socket parts with verified fitment on this page — 12 part types and 12 brands, covering both the 2.0L L4 Turbocharged and the 2.5L L4. Each part includes a manufacturer part number and application notes.

The bulb and socket system on the 2017 Buick Envision covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination. The largest groups are Fog / Driving Lamp Bulb (20 parts), Turn Signal Lamp Bulb (16 parts) and Headlamp Bulb (15 parts). The other 9 part types cover the remaining 37 parts.

Back Up / Reverse Lamp Bulb

Extended Life

Brand Part Number Markets Notes Buy
SYLVANIA Popular Fits: 2.5L L4 921LL
🇺🇸 US 🇨🇦 CA
Long LifeBase Type: W2.1x9.2d
Fitment notes — SYLVANIA 921LL
Long LifeBase Type: W2.1x9.2dWattage: 17.90 W
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HELLA Fits: 2.5L L4 921LL
🇺🇸 US 🇨🇦 CA
IncandescentLong Life
Fitment notes — HELLA 921LL
IncandescentLong LifeSocket Type Bulb: W2.1x9.5dLong Life
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WAGNER Fits: 2.5L L4 921LL
🇺🇸 US 🇨🇦 CA
Long LifeWedge Base
Fitment notes — WAGNER 921LL
Long LifeWedge Base17.920 WattBulb Type: T-5 Bulb 5/8 (16mm) Diameter
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Extra Bright (improved visibility, but shorter life)

Brand Part Number Markets Notes Buy
SYLVANIA Fits: 2.5L L4 921ST
🇺🇸 US 🇨🇦 CA
Cool WhiteSilver Star
Fitment notes — SYLVANIA 921ST
Cool WhiteSilver StarColor Temperature: 3200 KVBase Type: W2.1x9.2dWattage: 17.90 W
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LED (instant-on, long life, energy-saving)

Brand Part Number Markets Notes Buy
WAGNER Fits: 2.5L L4 921WLED
🇺🇸 US 🇨🇦 CA
LEDWhite
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Standard Replacement

Brand Part Number Markets Notes Buy
HELLA Popular Fits: 2.5L L4 921
🇺🇸 US 🇨🇦 CA
IncandescentSocket Type Bulb: W2.1x9.5d
Fitment notes — HELLA 921
IncandescentSocket Type Bulb: W2.1x9.5d
W16W
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GM GENUINE Fits: 2.5L L4 13503360
🇺🇸 US 🇨🇦 CA
TRADE # W16WCLEAR
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SYLVANIA Fits: 2.5L L4 921
🇺🇸 US 🇨🇦 CA
Base Type: W2.1x9.2dWattage: 18.00 W
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WAGNER Fits: 2.5L L4 921
🇺🇸 US 🇨🇦 CA
Bulb Type: T-5 Bulb 5/8 (16mm) DiameterVoltage: 12.800 Volts (Direct Current)
Fitment notes — WAGNER 921
Bulb Type: T-5 Bulb 5/8 (16mm) DiameterVoltage: 12.800 Volts (Direct Current)Wedge Base17.920 Watt
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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.

Door Panel Light Bulb

Brand Part Number Markets Notes Buy
SYLVANIA Fits: 2.5L L4 175SL
🇺🇸 US 🇨🇦 CA
LED
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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

Extended Life

Brand Part Number Markets Notes Buy
SYLVANIA Popular Fits: 2.5L L4 H11LL
🇺🇸 US 🇨🇦 CA
Long Life
Fitment notes — SYLVANIA H11LL
Long Life
Front
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HELLA Fits: 2.5L L4 H11LL
🇺🇸 US 🇨🇦 CA
HalogenSocket Type Bulb: PGJ19-2
Fitment notes — HELLA H11LL
HalogenSocket Type Bulb: PGJ19-2Long Life
FrontH11
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WAGNER Fits: 2.5L L4 1255H11LL
🇺🇸 US 🇨🇦 CA
Long Life
Fitment notes — WAGNER 1255H11LL
Long Life
FrontHalogen
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Extra Bright (improved visibility, but shorter life)

Brand Part Number Markets Notes Buy
HELLA Popular Fits: 2.5L L4 H1120
🇺🇸 US 🇨🇦 CA
HalogenSocket Type Bulb: PGJ19-2
Fitment notes — HELLA H1120
HalogenSocket Type Bulb: PGJ19-2Up to 100% More Light
FrontH11
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HELLA Fits: 2.5L L4 H11P50
🇺🇸 US 🇨🇦 CA
HalogenPerformance 50+
Fitment notes — HELLA H11P50
HalogenPerformance 50+Socket Type Bulb: PGJ19-2
FrontH11
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SYLVANIA Fits: 2.5L L4 H11XV
🇺🇸 US 🇨🇦 CA
Xtra VisionColor Temperature: 3200 KV
Fitment notes — SYLVANIA H11XV
Xtra VisionColor Temperature: 3200 KVBase Type: PGJ19-2 or PGJ19Wattage: 55.00 WFront
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SYLVANIA Fits: 2.5L L4 H11SU
🇺🇸 US 🇨🇦 CA
Silver Star UltraColor Temperature: 4100 KV
Fitment notes — SYLVANIA H11SU
Silver Star UltraColor Temperature: 4100 KVBase Type: PGJ19-2 or PGJ19Wattage: 55.00 WFront
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SYLVANIA Fits: 2.5L L4 H11ST
🇺🇸 US 🇨🇦 CA
Color Temperature: 4000 KVSilver Star
Fitment notes — SYLVANIA H11ST
Color Temperature: 4000 KVSilver StarBase Type: PGJ19 or PGJ19-2Wattage: 55.00 WFront
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SYLVANIA Fits: 2.5L L4 H11SZGP
🇺🇸 US 🇨🇦 CA
Silver Star zXe GOLDBase Type: PGJ19
Fitment notes — SYLVANIA H11SZGP
Silver Star zXe GOLDBase Type: PGJ19Wattage: 55.00 WExtra White LightFront
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WAGNER Fits: 2.5L L4 H11BLX
🇺🇸 US 🇨🇦 CA
BritelitePGJ19-2 Base
Fitment notes — WAGNER H11BLX
BritelitePGJ19-2 Base55.000 Watt80% More Light
FrontHalogen
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WAGNER Fits: 2.5L L4 H11TVX
🇺🇸 US 🇨🇦 CA
Truview Plus1.733 Base
Fitment notes — WAGNER H11TVX
Truview Plus1.733 Base4.580 WattHID Look
FrontHalogen
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LED (instant-on, long life, energy-saving)

Brand Part Number Markets Notes Buy
HELLA Fits: 2.5L L4 226971571
🇺🇸 US 🇨🇦 CA
Socket Type Bulb: PX22D
Fitment notes — HELLA 226971571
Socket Type Bulb: PX22D
FrontFor Fog Light Bulb Use OnlyLED-HIR2/LED12/24V6500K
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SYLVANIA Fits: 2.5L L4 H11LEDSP
🇺🇸 US 🇨🇦 CA
LEDBase Type: PGJ19-2
Fitment notes — SYLVANIA H11LEDSP
LEDBase Type: PGJ19-2Wattage: 13 WFront
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SYLVANIA Fits: 2.5L L4 H11LEDHP
🇺🇸 US 🇨🇦 CA
LED ULTRABase Type: PGJ19-2
Fitment notes — SYLVANIA H11LEDHP
LED ULTRABase Type: PGJ19-2Wattage: 20 WFront
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WAGNER Fits: 2.5L L4 H11LED
🇺🇸 US 🇨🇦 CA
LED
Fitment notes — WAGNER H11LED
LED
FrontFor Use with Fog Light
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Reduced Glare (for rain, fog, snow, or rural driving)

Brand Part Number Markets Notes Buy
HELLA Fits: 2.5L L4 H11YL
🇺🇸 US 🇨🇦 CA
HalogenSocket Type Bulb: PGJ19-2
Fitment notes — HELLA H11YL
HalogenSocket Type Bulb: PGJ19-2
FrontH11
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Standard Replacement

Brand Part Number Markets Notes Buy
SYLVANIA Popular Fits: 2.5L L4 H11
🇺🇸 US 🇨🇦 CA
Base Type: PGJ19-2
Fitment notes — SYLVANIA H11
Base Type: PGJ19-2
or:
Right AngleWattage: 55.00 WFront
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WAGNER Popular Fits: 2.5L L4 1255H11
🇺🇸 US 🇨🇦 CA
Bulb Color: Clear
Fitment notes — WAGNER 1255H11
Bulb Color: Clear
FrontHalogen
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GM GENUINE Fits: 2.5L L4 13503417
🇺🇸 US 🇨🇦 CA
FrontTrade # 11
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HELLA Fits: 2.5L L4 H11
🇺🇸 US 🇨🇦 CA
HalogenSocket Type Bulb: PGJ19-2 or Socket Type Bulb: PGJY19-2
Fitment notes — HELLA H11
HalogenSocket Type Bulb: PGJ19-2 or Socket Type Bulb: PGJY19-2
FrontH11
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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.

Headlamp Bulb

Blue-Coated (stylish, bright-white look)

Brand Part Number Markets Notes Buy
HELLA Fits: 2.5L L4 H71071502
🇺🇸 US 🇨🇦 CA
Extreme WhiteHalogen
Fitment notes — HELLA H71071502
Extreme WhiteHalogenSocket Type Bulb: P43T
High Beam and Low Beam
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Extended Life

Brand Part Number Markets Notes Buy
HELLA Popular Fits: 2.5L L4 9012LL
🇺🇸 US 🇨🇦 CA
HalogenSocket Type Bulb: PX22D
Fitment notes — HELLA 9012LL
HalogenSocket Type Bulb: PX22DLong Life
High Beam and Low BeamHIR2
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WAGNER Fits: 2.5L L4 9012LL
🇺🇸 US 🇨🇦 CA
Long Life
Fitment notes — WAGNER 9012LL
Long Life
High Beam and Low Beamwith Factory HalogensHalogen
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Extra Bright (improved visibility, but shorter life)

Brand Part Number Markets Notes Buy
WAGNER Popular Fits: 2.5L L4 9012BLX
🇺🇸 US 🇨🇦 CA
80% More Light
Fitment notes — WAGNER 9012BLX
80% More Light
High Beam and Low Beamwith Factory HalogensHalogen
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SYLVANIA Fits: 2.5L L4 9012XV
🇺🇸 US 🇨🇦 CA
Xtra VisionColor Temperature: 3200 KV
Fitment notes — SYLVANIA 9012XV
Xtra VisionColor Temperature: 3200 KV
High Beam and Low Beamwith Factory Halogen Headlights
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SYLVANIA Fits: 2.5L L4 9012ST
🇺🇸 US 🇨🇦 CA
Silver StarColor Temperature: 4000 KV
Fitment notes — SYLVANIA 9012ST
Silver StarColor Temperature: 4000 KV
High Beam and Low Beamwith Factory Halogen Headlights
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SYLVANIA Fits: 2.5L L4 9012SU
🇺🇸 US 🇨🇦 CA
Silver Star UltraColor Temperature: 4100 KV
Fitment notes — SYLVANIA 9012SU
Silver Star UltraColor Temperature: 4100 KV
High Beam and Low Beamwith Factory Halogen Headlights
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WAGNER Fits: 2.5L L4 9012TVX
🇺🇸 US 🇨🇦 CA
Tru View PLUSHID Look
Fitment notes — WAGNER 9012TVX
Tru View PLUSHID Look
High Beam and Low Beamwith Factory HalogensHalogen
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HID (intense white light)

Brand Part Number Markets Notes Buy
AUTOTECNICA Fits: 2.5L L4 D3S
🇺🇸 US 🇨🇦 CA
High Beam and Low Beam
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HELLA Fits: 2.5L L4 D3S4300K
🇺🇸 US 🇨🇦 CA
4300KSocket Type Bulb: PK32D-5
Fitment notes — HELLA D3S4300K
4300KSocket Type Bulb: PK32D-5
High Beam and Low BeamXenonD3S12/24V
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SYLVANIA Fits: 2.5L L4 D3S
🇺🇸 US 🇨🇦 CA
Dual Beamwith HID Headlamps
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WAGNER Fits: 2.5L L4 D3S
🇺🇸 US 🇨🇦 CA
with Xenon Gas
Fitment notes — WAGNER D3S
with Xenon Gas
High Beam and Low Beamwith HID Headlights
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Reduced Glare (for rain, fog, snow, or rural driving)

Brand Part Number Markets Notes Buy
HELLA Fits: 2.5L L4 H71071542
🇺🇸 US 🇨🇦 CA
Extreme YellowHalogen
Fitment notes — HELLA H71071542
Extreme YellowHalogenSocket Type Bulb: P43T
High Beam and Low Beam
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Standard Replacement

Brand Part Number Markets Notes Buy
SYLVANIA Popular Fits: 2.5L L4 9012
🇺🇸 US 🇨🇦 CA
High Beam and Low Beamwith Factory Halogen Headlights
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GM GENUINE Fits: 2.5L L4 13579204
🇺🇸 US 🇨🇦 CA
Trade HIR2 BI-halogen HeadlampsHalogen Headlamps(T4A)
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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
ACDELCO Popular Fits: 2.5L L4 LS254
🇺🇸 US 🇨🇦 CA
Gold
Fitment notes — ACDELCO LS254
Gold
with Halogen Headlightswith Dual Beam Bulb
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WELLS Popular Fits: 2.5L L4 6S1046
🇺🇸 US 🇨🇦 CA
High Beam and Low Beamwith Factory Halogen Headlights
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ROSTRA Fits: 2.5L L4 610004
🇺🇸 US 🇨🇦 CA
Low Beam
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STANDARD MOTOR PRODUCTS Fits: 2.5L L4 HP3960
🇺🇸 US 🇨🇦 CA
Handy PackBlack
Fitment notes — STANDARD MOTOR PRODUCTS HP3960
Handy PackBlack
with Halogen Headlightswith Dual Beam Bulb
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STANDARD MOTOR PRODUCTS Fits: 2.5L L4 S523
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — STANDARD MOTOR PRODUCTS S523
Black
with Halogen Headlightswith Dual Beam Bulb
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WALKER PRODUCTS Fits: 2.5L L4 2701121
🇺🇸 US 🇨🇦 CA
Terminal Gender: Male
Fitment notes — WALKER PRODUCTS 2701121
Terminal Gender: Male
with Halogen Headlights
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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.

LED Bulb Adapter

Brand Part Number Markets Notes Buy
WAGNER Fits: 2.5L L4 CB900590069012
🇺🇸 US 🇨🇦 CA
LEDFor 9005 / 9006 / 9012 Bulb
Fitment notes — WAGNER CB900590069012
LEDFor 9005 / 9006 / 9012 Bulb
with Factory Halogenswith LED Bulb
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WAGNER Fits: 2.5L L4 CBH8H11H16
🇺🇸 US 🇨🇦 CA
For H8 / H11 / H16 Bulb
Fitment notes — WAGNER CBH8H11H16
For H8 / H11 / H16 Bulb
Halogenwith LED Bulb
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This table covers the LED Bulb adapters.

License Plate Lamp Bulb

Extended Life

Brand Part Number Markets Notes Buy
SYLVANIA Fits: 2.5L L4 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: 2.5L L4 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: 2.5L L4 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: 2.5L L4 921LED5K
🇺🇸 US 🇨🇦 CA
LED Miniature Bulb with Color Temperature of 5000KSocket Type Bulb: SV8.5-8
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SYLVANIA Fits: 2.5L L4 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: 2.5L L4 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: 2.5L L4 2825
🇺🇸 US 🇨🇦 CA
Base Type: W2.1x9.5dWattage: 5.00 W
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WAGNER Fits: 2.5L L4 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.

Parking Lamp Bulb

Extended Life

Brand Part Number Markets Notes Buy
PHILIPS Popular Fits: 2.5L L4 7444NALL
🇺🇸 US 🇨🇦 CA
Longer LifeNatural Amber
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SYLVANIA Popular Fits: 2.5L L4 7444NALL
🇺🇸 US 🇨🇦 CA
Long LifeAmber
Fitment notes — SYLVANIA 7444NALL
Long LifeAmberBase Type: W3X16QWattage: 8.30 W
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WAGNER Fits: 2.5L L4 7444NALL
🇺🇸 US 🇨🇦 CA
Long LifeNatural Amber
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Standard Replacement

Brand Part Number Markets Notes Buy
HELLA Fits: 2.5L L4 7443A
🇺🇸 US 🇨🇦 CA
IncandescentSocket Type Bulb: PK22S
Fitment notes — HELLA 7443A
IncandescentSocket Type Bulb: PK22S
5/21W
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HELLA Fits: 2.5L L4 7443NA
🇺🇸 US 🇨🇦 CA
IncandescentNatural Amber
Fitment notes — HELLA 7443NA
IncandescentNatural Amber21/5WSocket Type Bulb: PK22S
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WAGNER Fits: 2.5L L4 7444NA
🇺🇸 US 🇨🇦 CA
Natural Amber
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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.

Step / Courtesy Light Bulb

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 2.5L L4 13500832
🇺🇸 US 🇨🇦 CA
RearCLEAR
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HELLA Fits: 2.5L L4 2825
🇺🇸 US 🇨🇦 CA
IncandescentSocket Type Bulb: W2.1x9.5d
Fitment notes — HELLA 2825
IncandescentSocket Type Bulb: W2.1x9.5d
W5WStepwell
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PEAK Fits: 2.5L L4 168
🇺🇸 US 🇨🇦 CA
Step or Courtesy LightInterior Door Light Bulb
Fitment notes — PEAK 168
Step or Courtesy LightInterior Door Light BulbProfessional BoxExcept Exterior Bulbs
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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: 2.5L L4 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: 2.5L L4 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 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: 2.5L L4 7444NALL
🇺🇸 US 🇨🇦 CA
Longer LifeNatural Amber
Fitment notes — PHILIPS 7444NALL
Longer LifeNatural AmberFront
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HELLA Fits: 2.5L L4 7444NALL
🇺🇸 US 🇨🇦 CA
IncandescentLong Life
Fitment notes — HELLA 7444NALL
IncandescentLong LifeSocket Type Bulb: WX3X16DLong LifeFront
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SYLVANIA Fits: 2.5L L4 7440ALL
🇺🇸 US 🇨🇦 CA
AmberBase Type: W3X16D
Fitment notes — SYLVANIA 7440ALL
AmberBase Type: W3X16DLong LifeWattage: 21.00 WRear
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SYLVANIA Fits: 2.5L L4 7444NALL
🇺🇸 US 🇨🇦 CA
Long LifeAmber
Fitment notes — SYLVANIA 7444NALL
Long LifeAmberBase Type: W3X16QWattage: 8.30 WFront
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WAGNER Fits: 2.5L L4 7440NALL
🇺🇸 US 🇨🇦 CA
Long LifeNatural Amber
Fitment notes — WAGNER 7440NALL
Long LifeNatural AmberSingle Contact Wedge Base21.000 WattRear
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WAGNER Fits: 2.5L L4 7444NALL
🇺🇸 US 🇨🇦 CA
Long LifeNatural Amber
Fitment notes — WAGNER 7444NALL
Long LifeNatural AmberFront
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LED (instant-on, long life, energy-saving)

Brand Part Number Markets Notes Buy
WAGNER Fits: 2.5L L4 7440NALED
🇺🇸 US 🇨🇦 CA
Natural AmberLED
Fitment notes — WAGNER 7440NALED
Natural AmberLEDRear
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WAGNER Fits: 2.5L L4 7440RLED
🇺🇸 US 🇨🇦 CA
LEDRed
Fitment notes — WAGNER 7440RLED
LEDRedRear
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Standard Replacement

Brand Part Number Markets Notes Buy
HELLA Popular Fits: 2.5L L4 7443
🇺🇸 US 🇨🇦 CA
Incandescent21/5W
Fitment notes — HELLA 7443
Incandescent21/5WSocket Type Bulb: PK22S or W3X16D
Front5/21W
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HELLA Popular Fits: 2.5L L4 7440NA
🇺🇸 US 🇨🇦 CA
IncandescentNatural Amber
Fitment notes — HELLA 7440NA
IncandescentNatural AmberSocket Type Bulb: W3X16DRear
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WAGNER Popular Fits: 2.5L L4 7440NA
🇺🇸 US 🇨🇦 CA
Natural AmberSingle Contact Wedge Base
Fitment notes — WAGNER 7440NA
Natural AmberSingle Contact Wedge Base25.000 WattSecondary Wattage: 26.500 WattRear
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GM GENUINE Fits: 2.5L L4 13596817
🇺🇸 US 🇨🇦 CA
WY21W BULBAMBER
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HELLA Fits: 2.5L L4 7443A
🇺🇸 US 🇨🇦 CA
IncandescentSocket Type Bulb: PK22S
Fitment notes — HELLA 7443A
IncandescentSocket Type Bulb: PK22S
Front5/21W
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HELLA Fits: 2.5L L4 7443NA
🇺🇸 US 🇨🇦 CA
IncandescentNatural Amber
Fitment notes — HELLA 7443NA
IncandescentNatural Amber21/5WSocket Type Bulb: PK22SFront
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SYLVANIA Fits: 2.5L L4 7440A
🇺🇸 US 🇨🇦 CA
Amber
Fitment notes — SYLVANIA 7440A
Amber
Rear
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WAGNER Fits: 2.5L L4 7444NA
🇺🇸 US 🇨🇦 CA
Natural Amber
Fitment notes — WAGNER 7444NA
Natural Amber
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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 2017 Buick Envision

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: Fog / Driving Lamp Bulb and Turn Signal Lamp Bulb .

Frequently Asked Questions

How many electrical bulb & socket parts fit the 2017 Buick Envision?

Our catalog currently lists 88 electrical bulb & socket parts for the 2017 Buick Envision across 12 subcategories and 12 brands, covering both the 2.0L L4 Turbocharged and the 2.5L L4. Each part is matched to the engine(s) it fits.

Do electrical bulb & socket parts differ between 2017 Buick Envision 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 2017 Buick Envision?

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 2017 Buick Envision 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 2017 Buick Envision?

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 2017 Buick Envision

Electrical Bulb & Socket Parts for Other Buick Envision 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.