GMC Sierra 2500HD 2020 Bulb Size

Bulb size chart

Fog Light Bulb Front - 5202 LED
Headlight Bulb High Beam and Low Beam - D5S
Back Up Light Bulb - 921
Brake Light Bulb - 7443
Center High Mount Stop Light Bulb - 921
License Plate Light Bulb - 2825
Parking Light Bulb - 7443
Side Marker Light Bulb Rear - 194
Tail Light Bulb - 7443
Turn Signal Light Bulb Front - 7443
Turn Signal Light Bulb Rear - 7443
Trunk or Cargo Area Light - 921

5202 LED Bulbs

Used for: Fog Light Bulb Front

BEAMTECH 5202 Led Fog Light Bulb,H16(European Type,Not Japan vehicles)

BEAMTECH 5202 Led Fog Light Bulb,H16(European Type,Not Ja...

The BEAMTECH 5202 Led Fog Light Bulbs come in a set of 2 bulbs, each equipped with 6 SEOUL Z8Y19 high power CSP chips. These bulbs have a lower power consumption compared to halogen bulbs, resulting in energy savings while providing a greater light output. Each bulb has a power of 30w, emitting a Xenon White color at 6500K. With a lumen rating of 800 lms and a voltage range of 12V to 24V, these bulbs have a lifespan of over 10,000 working hours. They offer a 320-degree lighting angle, delivering an impressive emitted light effect. The bulbs feature a Cold Pressed Aluminum Heat Sink that provides 35% higher heat reduction. Their advanced design prioritizes heat protection and ensures consistent brightness output. The efficient spacing and aviation aluminum heatsink guarantee maximum LED bulb longevity. These bulbs are designed to be compatible with various fitment sizes and feature a non-polarity design, allowing for easy installation through a simple Plug & Play process. Their meticulously engineered beam angularity matches that of halogen bulbs while delivering superior lighting results.

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View all 7 replacement options for size 5202 LED →

D5S Bulbs

Used for: Headlight Bulb High Beam and Low Beam

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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921 Bulbs

Used for: Back Up Light Bulb, Center High Mount Stop Light Bulb, Trunk or Cargo Area Light

View all 14 replacement options for size 921 →

7443 Bulbs

Used for: Brake Light Bulb, Parking Light Bulb, Tail Light Bulb, Turn Signal Light Bulb Front, Turn Signal Light Bulb Rear

AUXITO 7443 LED Bulbs - Red

AUXITO 7443 LED Bulbs - Red

Upgrade your vehicle's brake lights with confidence, as the AUXITO 7443 LED Bulbs offer ultra-brightness and a safer lighting solution. These bulbs utilize advanced LED technology to deliver an intensified illumination that surpasses traditional incandescent bulbs. Enjoy a noticeable upgrade in brightness, making your brake lights highly visible and ensuring a safer driving experience for you and those around you. Say goodbye to complicated installations, as the AUXITO 7443 LED Bulbs are designed for a direct fit. Simply replace your existing bulbs with these LED counterparts, saving you time and effort. Additionally, these bulbs have versatile applications, making them suitable for various lighting functions beyond brake lights. Illuminate your turn signals, tail lights, or other compatible applications with the same confidence and superior brightness. Reliability is key, and the AUXITO 7443 LED Bulbs offer stable use and a longer lifespan. Built with quality and durability in mind, these bulbs provide a consistent lighting performance that you can rely on. Enjoy peace of mind knowing that these bulbs will last longer, saving you from frequent replacements and ensuring a stable and reliable lighting solution for your vehicle.

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2825 Bulbs

Used for: License Plate Light Bulb

View all 12 replacement options for size 2825 →

194 Bulbs

Used for: Side Marker Light Bulb Rear

View all 21 replacement options for size 194 →

This page helps you verify the bulb sizes for the 2020 GMC Sierra 2500HD by lighting position, so you can match the correct replacement before you buy. Whether you are replacing a headlight, tail light, license plate lamp, or cargo light, checking the bulb chart by location is the easiest way to avoid ordering the wrong part.

The 2020 GMC Sierra 2500HD uses a mix of common incandescent bulbs and specific headlamp and fog lamp types, and the exact setup can vary by trim, body style, and lighting package. Use the listed bulb positions on this page as a practical guide for routine bulb replacement and fitment checks.

For best results, compare the bulb in your truck with the bulb listed for that position before ordering, especially if your Sierra 2500HD has been modified or equipped with a different lighting package. Some trims may use halogen-style bulbs in certain locations, while others may have LED-equipped assemblies or optional lighting changes that affect fitment. Aftermarket conversions can also change the bulb type or require adapters, resistors, or different housings. If you are unsure, remove the installed bulb and verify the number printed on the base or glass before purchase.

FAQ

What bulb does the 2020 GMC Sierra 2500HD use for the low beam and high beam headlights?

The headlight bulb listed for both high beam and low beam on the 2020 GMC Sierra 2500HD is D5S.

What is the fog light bulb size for the 2020 Sierra 2500HD?

The front fog light bulb listed for this truck is 5202 LED.

What bulb fits the front turn signal on the 2020 GMC Sierra 2500HD?

The front turn signal light bulb is 7443.

What bulb is used for the rear turn signal?

The rear turn signal light bulb is 7443.

What bulb size is used for the tail lights?

The tail light bulb listed for the 2020 GMC Sierra 2500HD is 7443.

What bulb fits the brake light on this model year?

The brake light bulb is 7443.

What bulb is used for the parking light?

The parking light bulb listed is 7443.

What bulb does the rear side marker light use?

The rear side marker light bulb is 194.

What bulb fits the license plate lights?

The license plate light bulb is 2825.

What bulb is used for the center high mount stop light?

The center high mount stop light bulb is 921.

What bulb fits the cargo area light?

The trunk or cargo area light bulb is 921.

What bulb is used for the back up light?

The back up light bulb is 921.

Do all 2020 GMC Sierra 2500HD trucks use the same bulbs?

Not always. Trim level, body style, market, and lighting package can change the exact bulb setup, so it is smart to confirm the installed bulb before ordering.

Can I replace halogen bulbs with LED bulbs on this truck?

In some positions, LED replacements may be available, but fitment and function depend on the housing and the vehicle's lighting design. Check compatibility carefully before converting.

Why should I check the installed bulb before buying a replacement?

Because the same year and model can have different lighting equipment, and aftermarket changes can alter the original bulb type. Verifying the installed bulb helps prevent returns and installation issues.

GMC Sierra 2500HD Bulb Size by Year