2021 GMC Acadia Headlight Bulb Size
The 2021 GMC Acadia headlights have a single bulb size (LED) for high and low beams.
Using the 2021 GMC Acadia bulb chart below, you can quickly identify the correct replacement lamp for all 23 positions of its lighting system.
Headlight Bulb High Beam and Low Beam - LED
“LED” means it is impossible to replace the bulb. Need to change the whole unit.
Fog Light Bulb Front - H11 LED
Fog Light Bulb Front - H16 LED
Headlight Bulb High Beam - D3S
Headlight Bulb Low Beam - D3S
Headlight Bulb High Beam and Low Beam(with halogen headlights) - 9012
Headlight Bulb High Beam and Low Beam(with HID headlights) - D3S
Center High Mount Stop Light Bulb - LED
“LED” means it is impossible to replace the bulb. Need to change the whole unit.
Brake Light Bulb - LED
“LED” means it is impossible to replace the bulb. Need to change the whole unit.
Turn Signal Light Bulb Front - 7444NA
License Plate Light Bulb - 2825
License Plate Light Bulb - 98
Parking Light Bulb - 7444NA
Tail Light Bulb - LED
“LED” means it is impossible to replace the bulb. Need to change the whole unit.
Daytime Running Light Bulb - LED
“LED” means it is impossible to replace the bulb. Need to change the whole unit.
Turn Signal Light Bulb Rear - 7440
Back Up Reverse Light Bulb - 921
Side Marker Light Bulb Front - LED
“LED” means it is impossible to replace the bulb. Need to change the whole unit.
Side Marker Light Bulb Rear - LED
“LED” means it is impossible to replace the bulb. Need to change the whole unit.
Vanity Mirror Light Bulb - 6612F
Dome Light Bulb - 12961
Map Light Bulb - 2825
Map Light Bulb - 98
Replacement Bulb Size for the 2021 GMC Acadia
Considering an upgrade from the Halogen to LED or HID headlights? Find below aftermarket replacements for OEM bulbs compatible with the 2021 GMC Acadia's housing. Note that you may need additional equipment to install LED or Xenon bulbs despite the correct bulb size of the lamp.
2021 GMC Acadia Fog Light bulb size - H11 LED
LED Lights
- See The Difference - The newest Japanese CSP LED chips create +500% more brightness and +250% better night vision than your original halogen or...
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The new generation of LED lights is here to make your nighttime safer and more enjoyable. The brighter they glow, the better! These bulbs will...
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2021 GMC Acadia High Beam bulb size - D3S
LED Lights
Looking for an LED conversion kit that will perfectly replace your OEM D3S D3R D3C Xenon bulb without changing any wiring? Look no further than...
Product review
Please note before purchasing:
1. These bulbs can only replace factory D1S D1R D3S D3R HID bulbs.
2. Not plug-and-play installation. This product includes two adapter wires,...
Product review
Xenon HID Conversion Kit
Extremely Long Life with precise light distribution & consistent performance - can efficiently work for 4000 hours. All HID lights discolor to get whiter/bluer over...
Product review
Xenon HID lights deliver better light but consume less power. This offers drivers enhanced visibility while allowing the vehicle to save electrical power for other...
Product review
2021 GMC Acadia Low Beam bulb size - D3S
LED Lights
Looking for an LED conversion kit that will perfectly replace your OEM D3S D3R D3C Xenon bulb without changing any wiring? Look no further than...
Product review
Please note before purchasing:
1. These bulbs can only replace factory D1S D1R D3S D3R HID bulbs.
2. Not plug-and-play installation. This product includes two adapter wires,...
Product review
Xenon HID Conversion Kit
Extremely Long Life with precise light distribution & consistent performance - can efficiently work for 4000 hours. All HID lights discolor to get whiter/bluer over...
Product review
Xenon HID lights deliver better light but consume less power. This offers drivers enhanced visibility while allowing the vehicle to save electrical power for other...
Product review
Popular Headlights
Explore the custom LED headlight kits that will improve the visibility ahead of the 2021 GMC Acadia at night. Made of quality materials, bright and long-lasting, they would be a perfect alternative to old or dimmed factory headlights. Explore more headlights for GMC Acadia 2021 here.
Popular Taillights
A pair of custom tail lights is necessary if the people behind your 2021 GMC Acadia are to be impressed. Consider direct bolt-on replacements powered by LED instead of worn-out or damaged tail lights.
GMC Acadia 2021 bulb size chart specifies the recommended bulb part numbers and types for all positions of its lighting system, like headlights, fog lights, brake lights, side markers, etc.
If you want to upgrade the headlights, the aftermarket bulb you select has to be the exact size your GMC Acadia 2021 requires to fit into the housing and match the wattage and voltage specifications.
LightningLab project pulls information about the 2021 GMC Acadia bulb sizes from the vehicle's manual and leading automotive lighting suppliers. All the data is classified and fact-checked by our editorial team.
The following chart with the 2021 GMC Acadia bulb sizes is provided for informative purposes only. Consult the owner's manual or contact the dealership to double-check the correct bulb type, wattage, voltage, and whether it requires any additional equipment or modifications to be installed on the specific 2021 GMC Acadia trim.
Ensure the bulb is "DOT" compliant to avoid legal issues.
FAQs
How to replace the 2021 GMC Acadia headlight bulb?
First things first, you'll need the right 2021 GMC Acadia bulb size. Of course, you may consult the owner's manual, but let's be honest, that's as dull. Instead, just look at the chart above or remove the old bulb to see its size. It's not rocket science; it's more like... bulb science.
Follow the simple step-by-step instructions:
- 1) Park the 2021 GMC Acadia on an even surface and turn off the ignition.
- 2) Open the hood and pop it up.
- 3) Pull the lock bar up and out of the clip to fix the hood.
- 4) Identify the back of the headlight assembly where the bulb is housed.
- 5) You may need to remove other components to access it.
- 6) Locate the electrical connector at the back of the headlight compartment.
- 7) Press down on the locking tab and pull the connector away from the bulb.
- 8) Remove the Old Bulb. Depending on your trim, you may need to:
- a) Unscrew a retaining ring
- b) Unclip a metal pin
- c) Rotate the bulb counterclockwise
- 9) Insert the new bulb without touching the glass.
- 10) Plug the electrical connector back, making sure it clicks into place.
- 11) Turn on the headlights to test the new bulb.
- 12) You may need to aim your headlights.
Reviewed by Brent Ordway
Brent Ordway is an ASE-certified car technician. He has been working on cars since he was a teenager and loved helping people keep their vehicles running smoothly. Brent's skills as a mechanic are unrivaled. In 2022, he earned his place on the list of winners for the ASE Master Automobile Technician of the Year award.
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GMC Acadia Bulb Chart By Years
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