GMC Terrain 2021 Bulb Size

Bulb size chart

Fog Light Bulb Front - H11 LED, H16 LED
Headlight Bulb High Beam and Low Beam(with HID headlights) - D5S
Headlight Bulb High Beam and Low Beam(with LED headlights) - LED
Back Up Reverse Light Bulb - 921
Brake Light Bulb(with HID headlights) - 7440R
Brake Light Bulb(with LED headlights) - LED
Center High Mount Stop Light Bulb - LED
Daytime Running Light Bulb - LED
License Plate Light Bulb - 2825, 98
Parking Light Bulb - 7444NA
Side Marker Light Bulb Rear - LED
Tail Light Bulb - LED
Turn Signal Light Bulb Front - 7444NA
Turn Signal Light Bulb Rear(with HID headlights) - 7440
Turn Signal Light Bulb Rear(with LED headlights) - LED

H11 LED Bulbs

Used for: Fog Light Bulb Front

View all 5 replacement options for size H11 LED →

H16 LED Bulbs

Used for: Fog Light Bulb Front

View all 5 replacement options for size H16 LED →

D5S Bulbs

Used for: Headlight Bulb High Beam and Low Beam(with HID headlights)

Philips D5S Standard Authentic Xenon

Philips D5S Standard Authentic Xenon

POWERFUL LIGHT FROM XENON HID BULBS OFFER MAXIMUM SAFETY: Xenon HID (High Intensity Discharge) headlight bulbs offer twice as much light* for safer driving in all conditions while consuming 50% less power. The intense white light produced by the Xenon HID lamps is comparable to daylight. Studies have demonstrated that xenon automotive lighting helps drivers to concentrate on the road and to distinguish obstacles and road signs much faster than traditional lamps. *Compared to standard halogen bulbs

$99.00

Buy on Amazon →

View all 10 replacement options for size D5S →

921 Bulbs

Used for: Back Up Reverse Light Bulb

View all 14 replacement options for size 921 →

7440R Bulbs

Used for: Brake Light Bulb(with HID headlights)

View all 8 replacement options for size 7440R →

2825 Bulbs

Used for: License Plate Light Bulb

View all 12 replacement options for size 2825 →

98 Bulbs

Used for: License Plate Light Bulb

View all 10 replacement options for size 98 →

7444NA Bulbs

Used for: Parking Light Bulb, Turn Signal Light Bulb Front

TUINCYN 7444NA W21W LED White Light Bulb

TUINCYN 7444NA W21W LED White Light Bulb

Introducing the TUINCYN 7444NA W21W LED White Light Bulb, a reliable and easy-to-install lighting solution for your car. With its advanced features and impressive specifications, this bulb is designed to provide bright and efficient illumination, enhancing your driving experience. Installation is a breeze with the TUINCYN 7444NA W21W LED White Light Bulb. It is a plug and play bulb, which means no complicated wiring or modifications are needed. Simply remove your old bulb and insert the TUINCYN LED bulb into the socket for an instant upgrade. It's a hassle-free process that saves you time and effort. The light body structure of this bulb is designed for durability and longevity. With point-to-point welding, the light body is firm and not easily damaged. This ensures that the bulb can withstand various road conditions and vibrations, providing you with a reliable lighting solution that will last. Experience exceptional lighting coverage with the 360-degree beam angle design of the TUINCYN LED bulb. This design ensures that every corner is illuminated, leaving no dark spots or shadows. Whether you're driving in the city or on winding roads, you can rely on the TUINCYN LED bulb to provide clear and consistent lighting. With its faster on/off response time, the TUINCYN 7444NA W21W LED White Light Bulb delivers instant illumination when activated. This quick response ensures that other drivers can easily see your vehicle, enhancing safety on the road.

Buy on Amazon →

View all 11 replacement options for size 7444NA →

7440 Bulbs

Used for: Turn Signal Light Bulb Rear(with HID headlights)

View all 8 replacement options for size 7440 →

This 2021 GMC Terrain bulb size page is here to help you quickly verify the correct replacement bulb by lighting position. Whether you are changing a headlight, brake light, turn signal, or license plate lamp, matching the bulb to the exact location is the easiest way to avoid buying the wrong part.

The 2021 GMC Terrain uses different bulb types depending on the headlight setup and lighting package, so the correct fit can vary by trim and market. Use this page as a reference for the bulb chart by position, including front, rear, interior-exterior style lighting, and the available LED or HID-equipped configurations.

For best results, compare the bulb chart with the bulb already installed on your vehicle before ordering, especially if your Terrain has an optional package or a previous owner made changes. Halogen, LED, and HID versions can use different bulb numbers even on the same model year, and aftermarket LED conversions may not match the factory bulb type or connector style. If your Terrain has been modified, or if you are unsure whether it uses LED headlights, HID headlights, or a standard setup, confirm the installed bulb and housing before purchase so you get the right fit the first time.

FAQ

What bulb size does the 2021 GMC Terrain use for the back up reverse light?

The back up reverse light bulb is 921 on the 2021 GMC Terrain.

What is the front turn signal bulb size for a 2021 GMC Terrain?

The front turn signal light bulb is 7444NA.

What bulb fits the parking light on a 2021 GMC Terrain?

The parking light bulb is 7444NA.

What license plate bulb sizes are listed for the 2021 GMC Terrain?

The license plate light bulb sizes listed are 2825 and 98.

What fog light bulb options are listed for the 2021 GMC Terrain?

The front fog light bulb options listed are H11 LED and H16 LED.

Does the 2021 GMC Terrain use different rear turn signal bulbs with LED headlights?

Yes. For Terrain models with LED headlights, the rear turn signal bulb is listed as LED rather than a halogen bulb number.

Does the 2021 GMC Terrain use different rear brake light bulbs with HID headlights?

Yes. For Terrain models with HID headlights, the rear brake light bulb is listed as 7440R.

What headlight bulb is listed for a 2021 GMC Terrain with HID headlights?

For HID-equipped models, the headlight bulb high beam and low beam is listed as D5S.

What headlight bulb is listed for a 2021 GMC Terrain with LED headlights?

For LED-equipped models, the headlight bulb high beam and low beam is listed as LED.

Are the center high mount stop light and tail light bulbs the same on every 2021 GMC Terrain?

No. The page lists LED for the center high mount stop light and tail light bulbs, but fitment can still vary by trim, lighting package, and market.

Why should I check my 2021 GMC Terrain bulb before buying a replacement?

Because the same year and model can use different bulbs depending on whether it has LED headlights, HID headlights, or another lighting package. Checking the installed bulb helps confirm the exact fit.

Can aftermarket LED bulbs be used in a 2021 GMC Terrain?

Sometimes, but fitment and performance depend on the housing, connector, and lighting package. Aftermarket LED conversions may not match the factory bulb type, so verify compatibility before buying.

GMC Terrain Bulb Size by Year