2021 GMC Terrain Headlight Bulb Size
The 2021 GMC Terrain headlights have a single bulb size (LED) for high and low beams.
Using the 2021 GMC Terrain bulb chart below, you can quickly identify the correct replacement lamp for all 17 positions of its lighting system.
Fog Light Bulb Front - H11 LED
Fog Light Bulb Front - H16 LED
Headlight Bulb High Beam and Low Beam(with LED headlights) - LED
“LED” means it is impossible to replace the bulb. Need to change the whole unit.
Headlight Bulb High Beam and Low Beam(with HID headlights) - D5S
Center High Mount Stop 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.
Back Up Reverse Light Bulb - 921
Turn Signal Light Bulb Rear(with LED headlights) - 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.
Brake Light Bulb(with LED headlights) - LED
“LED” means it is impossible to replace the bulb. Need to change the whole unit.
Brake Light Bulb(with HID headlights) - 7440R
Turn Signal Light Bulb Rear(with HID headlights) - 7440
Replacement Bulb Size for the 2021 GMC Terrain
Considering an upgrade from the Halogen to LED or HID headlights? Find below aftermarket replacements for OEM bulbs compatible with the 2021 GMC Terrain'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 Terrain 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...
Product review
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...
Product review
2021 GMC Terrain High and Low Beam bulb size - D5S
LED Lights
Upgrade your vehicle's lighting system with these LED headlight bulb kits and enjoy a focused and wider beam, better visibility, and enhanced clarity. With high-quality and...
Product review
Xenon HID Conversion Kit
- Get up to 200% more vision on the road.
- Consumes less energy and enhances visibility on the road.
- Original equipment quality with an Electronic high voltage starter...
Product review
2021 GMC Terrain Turn Signal bulb size - 7444NA
LED Lights
You have a high-quality, durable, and reliable product. It is the only bulb that can be used as a replacement for all types of turn...
Product review
Halogen Lights
- Twice the life of standard incandescent bulbs.
- Best value.
- Original equipment quality seal for the most reliable performance.
- Miniature bulbs by Philips, for over 100 years we have...
Product review
2021 GMC Terrain License Plate bulb size - 2825
LED Lights
– Better beam pattern: each bulb has 5 pcs high power SMD led, color temperature: 6000K(xenon white), voltage: 12V
– No polarity no flip: it...
Product review
2021 GMC Terrain License Plate bulb size - 98
LED Lights
Experience unmatched brightness with the WLJH Instrument Panel 98 LED Light Bulb, boasting a 360-degree glow and modern aesthetics thanks to its high-quality 3030 chips....
Product review
2021 GMC Terrain Parking bulb size - 7444NA
LED Lights
You have a high-quality, durable, and reliable product. It is the only bulb that can be used as a replacement for all types of turn...
Product review
Halogen Lights
- Twice the life of standard incandescent bulbs.
- Best value.
- Original equipment quality seal for the most reliable performance.
- Miniature bulbs by Philips, for over 100 years we have...
Product review
Popular Headlights
Explore the custom LED headlight kits that will improve the visibility ahead of the 2021 GMC Terrain 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 Terrain 2021 here.
Popular Taillights
A pair of custom tail lights is necessary if the people behind your 2021 GMC Terrain are to be impressed. Consider direct bolt-on replacements powered by LED instead of worn-out or damaged tail lights.
GMC Terrain 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 Terrain 2021 requires to fit into the housing and match the wattage and voltage specifications.
LightningLab project pulls information about the 2021 GMC Terrain 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 Terrain 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 Terrain trim.
Ensure the bulb is "DOT" compliant to avoid legal issues.
FAQs
How to replace the 2021 GMC Terrain headlight bulb?
First things first, you'll need the right 2021 GMC Terrain 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 Terrain 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 Terrain Bulb Chart By Years
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