RAM 1500 2021 Bulb Size

Bulb size chart

Fog Light Bulb Front - H11 LED
Headlight Bulb High Beam - 9005LL
Headlight Bulb Low Beam - H11
Back Up Light Bulb - 7440
Brake Light Bulb - 7440R
Center High Mount Stop Light Bulb - 921
Parking Light Bulb - 7444NA
Side Marker Light Bulb Front - 2825
Tail Light Bulb - 7440R
Turn Signal Light Bulb Front - 7444NA
Turn Signal Light Bulb Rear - 7440
Dome Light Bulb - 578
Engine Compartment Light Bulb - 561
Glove Box Light Bulb - 194
Map Light Bulb - 578
Roof Marker Light Bulb - 194NA
Trunk or Cargo Area Light - 921

H11 LED Bulbs

Used for: Fog Light Bulb Front

View all 5 replacement options for size H11 LED →

9005LL Bulbs

Used for: Headlight Bulb High Beam

SEALIGHT Scoparc S2 9005LL/HB3 LED Light Bulbs

SEALIGHT Scoparc S2 9005LL/HB3 LED Light Bulbs

- 5 Min Easy Plug&Play: 1:1 plant of original halogen design for optimized compatibility, Install only 5 min without modification, no worry about the external driver being too big to install or the connector break - 1200 Ft Visibility Improved: Ditch your dim yellow halogens and make way for a 6500K bright white ones. Super focused beam pattern design provides wider and farther lighting range, adding confidence in night driving - Provide 60% Cooling: 12000RPM powerful turbofan provides up to 60% better cooling compared to those without fans. Just like drying hair with a hairdryer, which is more efficient than drying it naturally

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View all 9 replacement options for size 9005LL →

H11 Bulbs

Used for: Headlight Bulb Low Beam

PIAA 15211 H11 Xtreme White Plus

PIAA 15211 H11 Xtreme White Plus

Xtreme White Hybrid bulbs are worth it if you want the lightest possible. They're brighter and provide better contrast versus stock, allowing drivers to see farther with greater safety on dark roads or high traffic areas like city streets at night time - because these lights don't have any filters that would interfere with their visibility! Made from quality materials such as quartz glass alongside our special alloy filaments which reflect heat much more efficiently than common metals do; this means they will last longer without getting too hot and eventually cracking under pressure (which can lead us to an accident).

$73.19

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View all 24 replacement options for size H11 →

7440 Bulbs

Used for: Back Up Light Bulb, Turn Signal Light Bulb Rear

View all 8 replacement options for size 7440 →

7440R Bulbs

Used for: Brake Light Bulb, Tail Light Bulb

View all 8 replacement options for size 7440R →

921 Bulbs

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

View all 14 replacement options for size 921 →

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 →

2825 Bulbs

Used for: Side Marker Light Bulb Front

View all 12 replacement options for size 2825 →

578 Bulbs

Used for: Dome Light Bulb, Map Light Bulb

KATUR Festoon 578 (C5W) Led Bulbs

KATUR Festoon 578 (C5W) Led Bulbs

The KATUR Festoon 578 (C5W) Led Bulbs are a great choice for those looking to upgrade their car's lighting. With lower power consumption and a longer lifespan, these bulbs are more efficient and long-lasting than traditional incandescent bulbs. The fast light response and safe design of these bulbs make them a reliable choice for drivers. The high power 3014 chips and 180-degree illumination angle ensure there are no blind spots and provide bright, renewed lighting for your car. All LED Series products come in a static sealed bag for long-term preservation and are error-free with CANBUS technology. Choose the KATUR Festoon 578 (C5W) Led Bulbs for a brighter and more efficient car lighting solution.

$14.99

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View all 12 replacement options for size 578 →

561 Bulbs

Used for: Engine Compartment Light Bulb

Sylvania Long Life 561 Miniature Bulb

Sylvania Long Life 561 Miniature Bulb

The Sylvania 561 Long Life Mini Bulb is an excellent choice for replacing the interior or exterior lighting in your car or truck. These bulbs have been designed to last longer, withstanding road shock and vibration. With their durable filament construction and unique gas mixture, the 3 Long Life bulbs have an extended lifespan, saving you time and money on replacements. Sylvania's OEM status guarantees high-quality lighting that enhances both safety and functionality in your vehicle. The 3 bulb emits bright, white light and is simple to install. It is also compliant with road regulations.

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Ruiandsion 561 LED Interior Bulbs

Ruiandsion 561 LED Interior Bulbs

Upgrade your car's lighting system today with the Ruiandsion 561 LED Interior Bulbs and experience enhanced brightness and longevity. These bulbs require no wire modification and consume low power, offering energy efficiency. With a wide lighting angle of 360 degrees, they provide comprehensive and uniform lighting coverage.Boasting an impressive service life of 50,000 hours, these bulbs are built to last. They are specifically designed for car interior lights, including dome and map lights. Featuring a low working temperature and excellent heat dissipation, these bulbs ensure efficient and safe operation. Installation is a breeze and can be done in minutes without the need for any tools. Equipped with 12 pieces of high-quality 2835 LED chipset per bulb, the Ruiandsion 561 LED Interior Bulbs deliver a much brighter illumination compared to the original bulbs. The aluminum body design further enhances heat dissipation for prolonged lifespan.

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View all 11 replacement options for size 561 →

194 Bulbs

Used for: Glove Box Light Bulb

View all 21 replacement options for size 194 →

194NA Bulbs

Used for: Roof Marker Light Bulb

Marsauto 194 LED Light Bulbs Amber Yellow

Marsauto 194 LED Light Bulbs Amber Yellow

Introducing the Marsauto 194 LED Light Bulbs in Amber Yellow, the perfect lighting solution for your car's various applications. With their impressive brightness and ease of installation, these bulbs will stay with you all the time, providing enhanced visibility and style.Experience a super bright light output with the Marsauto 194 LED Light Bulbs. With 200 lumens of brightness, these bulbs ensure excellent visibility in a variety of applications. Whether you need them for map lights, dome lights, license plate lights, dashboard instruments, trunk lights, or courtesy lights, these bulbs will illuminate your vehicle with a vibrant amber yellow glow. Installation is a breeze with the Marsauto 194 LED Light Bulbs. With their user-friendly design, you can easily install them in just 3 minutes. Simply remove your old bulbs and replace them with the Marsauto LEDs for an instant upgrade. There's no need for complex wiring or modifications – it's a hassle-free process that anyone can do. The Marsauto 194 LED Light Bulbs will stay with you all the time, providing reliable and long-lasting performance. Whether you're driving during the day or night, these bulbs will consistently deliver the illumination you need. You can count on them to enhance your visibility and add a touch of style to your vehicle's interior and exterior lighting. Upgrade your car's lighting system with the Marsauto 194 LED Light Bulbs in Amber Yellow and enjoy enhanced brightness, easy installation, and versatile applications. With their super bright light output, quick installation, and compatibility with various car lighting functions, these bulbs are the perfect choice for improving your driving experience. Trust Marsauto for high-quality lighting solutions that will exceed your expectations.

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Alla Lightning 194NA LED Amber Bulbs

Alla Lightning 194NA LED Amber Bulbs

Each bulb is quipped with 18pcs high power and high illumination 3014 SMD LEDs; Built-in smart IC driver for stable current control and longer lifespan; Each bulb is about 240 lumens, fully 360° light output. More than 400% brighter than stock lamps. Equipped with aluminum heat sink for the best heat dissipation. Especially designed for license plate lights, side marker lights, parking lights, interior map, dome, trunk, door courtesy, stepwell lights lamps.

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View all 12 replacement options for size 194NA →

If you are looking up bulb sizes for the 2021 RAM 1500, this page is designed to help you verify the correct bulb by lighting position. That matters because the same truck can use different bulbs for the headlamps, markers, cargo lights, and interior lamps depending on trim, body style, and lighting package.

Use the bulb chart on this page as a practical reference before you buy replacements. For the 2021 RAM 1500, common positions include H11 low beams, 9005LL high beams, 7444NA front turn signals and parking lights, and 7440 or 7440R bulbs in several rear lighting locations. Matching the bulb to the exact lamp location helps avoid ordering the wrong part.

Fitment can vary by market, trim level, and factory equipment, so it is smart to confirm what is actually installed on your truck before purchasing. This is especially important if your RAM 1500 has halogen headlights, LED fog lights, or an aftermarket conversion, because the bulb type listed for the vehicle may not match a modified assembly. Always compare the old bulb, the socket, and the lamp housing, and check for any differences between left and right sides if the truck has been repaired or upgraded.

FAQ

What are the low beam bulb sizes for a 2021 RAM 1500?

The listed low beam bulb size for the 2021 RAM 1500 is H11. This is the bulb position to check for the main low beam headlight function.

What high beam bulb does the 2021 RAM 1500 use?

The listed high beam bulb size is 9005LL. If you are replacing the high beams, verify the bulb type against the installed part before ordering.

Which bulb fits the front turn signal on a 2021 RAM 1500?

The front turn signal bulb is listed as 7444NA. The same bulb type is also listed for the front parking light position on this truck.

What bulb is used for the rear turn signal on this model year?

The rear turn signal bulb is listed as 7440. Rear lighting can vary by trim and package, so it is a good idea to confirm the exact lamp assembly on your truck.

What is the backup light bulb size for a 2021 RAM 1500?

The backup light bulb is listed as 7440. On some vehicles, backup and rear signal functions can use similar bulb families, so position matters.

What bulb fits the brake light and tail light positions?

Both the brake light and tail light positions are listed as 7440R for the 2021 RAM 1500. Make sure you are replacing the correct rear lamp location.

What are the dome and map light bulb sizes?

The dome light and map light bulbs are both listed as 578. These are interior bulbs, so access and connector style may matter during replacement.

What bulb is used in the glove box light?

The glove box light bulb is listed as 194. This is a small interior bulb, so handle it carefully during removal and installation.

What bulb fits the center high mount stop light and cargo area light?

Both the center high mount stop light and trunk or cargo area light are listed as 921. These positions may not be equipped on every body style in the same way, so check your truck first.

Does the 2021 RAM 1500 use LED fog lights?

The fog light bulb is listed as H11 LED. Because lighting packages can differ, confirm whether your truck has factory LED fog lamps or a halogen setup before buying replacements.

What is the side marker bulb size on the front of the truck?

The front side marker bulb is listed as 2825. This is another position where trim and market differences can affect the exact lamp configuration.

What should I check before replacing bulbs on a 2021 RAM 1500?

Check the installed bulb, the socket shape, and the lamp location first. The 2021 RAM 1500 can have different lighting setups by trim, package, and body style, so verifying the actual bulb on the vehicle is the safest way to get the right replacement.

RAM 1500 Bulb Size by Year