GMC Terrain 2018 Bulb Size

Bulb size chart

Fog Light Bulb Front - H11 LED, H16 LED, H8 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 →

H8 LED Bulbs

Used for: Fog Light Bulb Front

Sealight L2 Series

Sealight L2 Series

Prevents blinding on-coming vehicles: these light bulbs utilize the super high quality and most modern technology LED chips. This technology helps you get a LED array similar to the filament inside of an original halogen bulb. This creates a nice cut line on top of the beam. No pain in replacing bulbs often: a maximum level of heat dissipation is achieved when they are in use thanks to the ball-bearing cooling fan, the copper thermal heat sink, and the high-density aluminum body, ensuring up to 50,000 hrs lifespan.

$27.94

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View all 4 replacement options for size H8 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

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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.

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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 page helps you find the correct bulb sizes for the 2018 GMC Terrain by lighting position, so you can match the right bulb to the right socket before you buy. Because the Terrain could be equipped with different lighting setups, it is important to confirm whether your vehicle uses LED, HID, or another headlight package before replacing any exterior bulb.

For the 2018 GMC Terrain, several bulbs are listed by function rather than one universal part number, especially on trims with LED or HID lighting. Use the bulb chart on this page to verify the exact fit for headlights, tail lights, brake lights, turn signals, fog lights, reverse lights, parking lights, and license plate lights, then compare that information with your vehicle’s current setup.

Fitment can vary by trim, lighting package, market, and body style, so the same 2018 GMC Terrain may not use the same bulb in every position. Halogen, LED, and HID-equipped models can differ in both bulb type and socket design, and aftermarket LED conversions may also change what fits correctly. The safest approach is to check the bulb already installed in your Terrain before ordering, especially for headlights, fog lights, and rear signal bulbs, where package differences are most common.

FAQ

What bulb size does the 2018 GMC Terrain use for the front turn signal?

The front turn signal bulb listed for the 2018 GMC Terrain is 7444NA.

What bulb size fits the parking light on a 2018 GMC Terrain?

The parking light bulb listed for the 2018 GMC Terrain is 7444NA.

What bulb size is used for the back up reverse light on this vehicle?

The back up reverse light bulb listed for the 2018 GMC Terrain is 921.

What are the license plate light bulb options for a 2018 GMC Terrain?

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

What bulb does the 2018 GMC Terrain use for the rear turn signal with HID headlights?

For models with HID headlights, the rear turn signal bulb is listed as 7440.

What bulb does the 2018 GMC Terrain use for the rear brake light with HID headlights?

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

What headlight bulb does the 2018 GMC Terrain use with HID headlights?

For HID headlight setups, the headlight bulb is listed as D5S.

What headlight bulb does the 2018 GMC Terrain use with LED headlights?

For LED headlight setups, the page lists the headlight bulb as LED for both high beam and low beam, rather than a single replaceable halogen part number.

What fog light bulb fits the 2018 GMC Terrain?

The front fog light bulb options listed are H11 LED, H16 LED, and H8 LED, depending on the vehicle’s equipment.

Does the 2018 GMC Terrain use the same bulb for every trim?

No. Trim level and lighting package can change the bulb type, especially for headlights, rear signals, brake lights, and fog lights.

How can I be sure I am buying the right bulb for my 2018 GMC Terrain?

Check the bulb currently installed in your vehicle and compare it with the bulb chart on this page. This is especially important if your Terrain has LED headlights, HID headlights, or an aftermarket lighting conversion.

Are the center high mount stop light, tail light, daytime running light, and side marker bulbs replaceable with standard part numbers?

On this page, those positions are listed as LED for the 2018 GMC Terrain, so they are not shown with a standard halogen bulb number.

GMC Terrain Bulb Size by Year