RAM 1500 2018 Bulb Size

Bulb size chart

Headlight Bulb High Beam - 9005
Headlight Bulb Low Beam - H11
Headlight Bulb Low Beam(with projector-type headlights) - 9005
Headlight Bulb Low Beam(without projector-type headlights) - H11
Back Up Reverse Light Bulb - 921
Back Up Reverse Light Bulb (with projector-type headlights) - 7440
Back Up Reverse Light Bulb (without projector-type headlights) - 921
Brake Light Bulb - 3157R
Brake Light Bulb(with projector-type headlights) - LED
Brake Light Bulb(without projector-type headlights) - 3057R
Center High Mount Stop Light Bulb - 921
License Plate Light Bulb - 194, 7441
Parking Light Bulb(with 2 headlights) - 3157
Parking Light Bulb(with 4 headlights) - 3157A
Parking Light Bulb(with projector-type headlights) - LED
Parking Light Bulb(without projector-type headlights) - 3157A
Side Marker Light Bulb Front - 3157A
Side Marker Light Bulb Front(with projector-type headlights) - LED
Side Marker Light Bulb Front(without projector-type headlights) - 3157A
Side Marker Light Bulb Rear(with projector-type headlights) - LED
Side Marker Light Bulb Rear(without projector-type headlights) - 3057A
Stepwell Light Bulb - LED
Tail Light Bulb - 3157R
Tail Light Bulb(with projector-type headlights) - LED
Tail Light Bulb(without projector-type headlights) - 3157R
Turn Signal Light Bulb Front(with 2 headlights) - 3157
Turn Signal Light Bulb Front(with 4 headlights) - 3157A
Turn Signal Light Bulb Front(with projector-type headlights) - LED
Turn Signal Light Bulb Front(without projector-type headlights) - 3157A
Turn Signal Light Bulb Rear - 3157
Turn Signal Light Bulb Rear(with projector-type headlights) - LED
Turn Signal Light Bulb Rear(without projector-type headlights) - 3057
Ash Tray Light Bulb - 37
Dome Light Bulb - 578
Engine Compartment Light Bulb - 561
Glove Box Light Bulb - 194, 7441
Map Light Bulb - 212-2, 578
Trunk or Cargo Area Light - 921

9005 Bulbs

Used for: Headlight Bulb High Beam, Headlight Bulb Low Beam(with projector-type headlights)

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H11 Bulbs

Used for: Headlight Bulb Low Beam, Headlight Bulb Low Beam(without projector-type headlights)

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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921 Bulbs

Used for: Back Up Reverse Light Bulb, Back Up Reverse Light Bulb (without projector-type headlights), Center High Mount Stop Light Bulb, Trunk or Cargo Area Light

View all 14 replacement options for size 921 →

7440 Bulbs

Used for: Back Up Reverse Light Bulb (with projector-type headlights)

View all 8 replacement options for size 7440 →

3157R Bulbs

Used for: Brake Light Bulb, Tail Light Bulb, Tail Light Bulb(without projector-type headlights)

View all 13 replacement options for size 3157R →

3057R Bulbs

Used for: Brake Light Bulb(without projector-type headlights)

PA 3057 Red Light Bulb - Turn Signal, Side Marker, Stop, Back, Tail Light

PA 3057 Red Light Bulb - Turn Signal, Side Marker, Stop, ...

FITMENT - Compatible with 3056, 3057, 3156, 3157, and 4157 bulbs. Commonly used for various vehicle lights such as Parking, Indicator, Direction Indicator, Third Stop, Rear, Stop, Signal Turn, Day Running, and Tail Lights (Specific application may vary by vehicle model). EASY INSTALLATION - Designed with Constant Current technology for a simple plug-and-play setup. Not suitable for CK sockets. NOTICE - Hyper flash prevention may require a Load resistor when replacing Turn Signal Lights. Alternatively, some vehicles may require a flasher relay to resolve fast blinker issues.

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KATUR Red 3057 LED Light Bulb

KATUR Red 3057 LED Light Bulb

Why would you like this product? Enhanced Visibility with 4014 LED Chips Utilizing super bright 4014 48Chips, these LEDs deliver optimal beam patterns for superior visibility. Say goodbye to dark spots, short beams, and scattered light. Enjoy 360-degree lighting that produces an astonishing emitted light effect. Outstanding Performance Designed to be waterproof, the 3157 3156 LED Bulbs can withstand any harsh weather conditions. They provide excellent visibility while driving, even in situations with poor visibility caused by rain, fog, dust, or snow. Efficient Heat Dissipation Design Incorporating a large aluminum heat sink, these LEDs effectively dissipate heat, ensuring trouble-free operation and outstanding heat resistance even under high temperatures. This design not only enhances lighting efficiency but also extends the service life to over 50,000 hours. Built for Durability Featuring a robust aluminum housing and a glass lens projector, these LEDs offer maximum light output. The aircraft-grade aluminum heat sink maintains low temperatures, while the built-in constant current IC ensures a longer lifespan and minimal power consumption. With a working lifespan of over 50,000 hours, they outlast halogen bulbs by 50 times.

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194 Bulbs

Used for: License Plate Light Bulb, Glove Box Light Bulb

View all 21 replacement options for size 194 →

7441 Bulbs

Used for: License Plate Light Bulb, Glove Box Light Bulb

KATUR T20 White/Amber Switchback LED Light Bulbs (7441)

KATUR T20 White/Amber Switchback LED Light Bulbs (7441)

The KATUR T20 White/Amber Switchback LED Light Bulbs (7441) are a great upgrade for your vehicle's lighting. These energy-efficient bulbs have a 12V operating voltage and are designed to last 50,000 hours, 50 times longer than traditional incandescent bulbs. The single-contact 7440 LED light bulb replaces most auto car incandescents and is well-matched with the original incandescent lights. The easy plug-and-play installation means you just have to plug it into the socket, and flip the bulb horizontally if it does not light up to match the + and - polarity. With 42 2835 SMD LED lights, this bulb provides bright and versatile white/amber switchback lighting. It is CE/RoHS compliant, ensuring high standards and quality. Choose the KATUR T20 White/Amber Switchback LED Light Bulbs for a longer-lasting and more versatile lighting solution.

$17.99

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3157 Bulbs

Used for: Parking Light Bulb(with 2 headlights), Turn Signal Light Bulb Front(with 2 headlights), Turn Signal Light Bulb Rear

Alla Lighting 3157 Red LED Bulbs (Brake, Tail Lights, Turn Signal)

Alla Lighting 3157 Red LED Bulbs (Brake, Tail Lights, Tur...

Product benefits and features: Each bulb is quipped with 39pcs high power and high illumination 2835 SMD LEDs; Built-in smart IC driver for stable current control and longer lifespan; Equipped with projector-lens for fully 360° light output. Equipped with aluminum heat sink for the best heat dissipation. Especially designed for replacing back-up reverse lights, turn signal lights, brake tail lights, daytime running lights(DRL) lamps.

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KAKEMONO 3157 LED Amber Yellow Light Bulb

KAKEMONO 3157 LED Amber Yellow Light Bulb

Improve your car's lighting with the brilliant combination of brightness, energy efficiency, and broad compatibility offered by KAKEMONO BrightBeam 3157 LED Amber Yellow Bulbs. Built for multiple functions, these bulbs perform expertly to promise safety and style in each ride. BrightBeam LED bulbs are good for brake lights, turn signals, reverse lights, tail lights, and much more. Amber yellow in color and with a bright 400 lumens output, it gives better visibility and makes your vehicle more noticeable to others to improve safety on the road. Replacing traditional 40W halogen bulbs, these 4W LED bulbs reduce power consumption by a large margin while keeping very good brightness. Ceramic and aluminum housing allows for efficient heat dissipation, contributing to a longer lifespan and consistent performance over time. With a wide voltage input range of AC10-18V/DC10-30V, they are stable and work well on different vehicle models. They boast a 360° beam angle with no dark spots, providing super uniform light distribution. Plug-and-play installation, besides, makes upgrading your lighting a breeze. Note that some vehicles may require a load resistor to prevent hyper-flashing or dashboard error codes.

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3157A Bulbs

Used for: Parking Light Bulb(with 4 headlights), Parking Light Bulb(without projector-type headlights), Side Marker Light Bulb Front, Side Marker Light Bulb Front(without projector-type headlights), Turn Signal Light Bulb Front(with 4 headlights), Turn Signal Light Bulb Front(without projector-type headlights)

TUINCYN 3157A LED Amber Bulb

TUINCYN 3157A LED Amber Bulb

Standard 3157 LED Bulb Lamp with 5630 33SMD High Power LEDs, Brighter than Normal Incandescent Bulbs. Cross-Compatibility: Fits 3047, 3057, 3057A, 3155, 3157, 3157A, 3157NA, 3357, 3357A, 3454NA, 3457, 3457A, 3457NA, 3757A, 3156, 3056, 3356, 3456, 4156, 4057, 4114, 4157, 4157NA, 5702A, 5702AK Used for Tail Lights, Brake Lights, Reverse Lights, Turn Signals Lights, Side Marker Lights, Rear Light, Stop Lamp, Backup Lights, etc. Easy to install, plug and play bulb, no wiring needed. Point-to-point welding, the light body structure and firm, not easy to damage. 360 Degree Beam Angle design lights up every corner. Faster on/off response time.

$13.99

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AUXITO LED Turn Signal Light Bulbs 3157 LED Bulbs Amber Yellow

AUXITO LED Turn Signal Light Bulbs 3157 LED Bulbs Amber Y...

Non-polarity. Can be used for front rear turn signal light, side marker light, blinker light, parking light, daytime running light, brake light, tail light, etc. When these 3157 led amber bulbs are used for turn signal lights or blinker lights, some vehicles may meet canbus issues, such as flicker, hyper flash or error warning, etc, load resistors or flasher relay may be required to solve the issues, you can contact us through Amazon Buyer Message to get help and solutions

$16.19

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Philips 3157A LLB2 Miniature Bulb

Philips 3157A LLB2 Miniature Bulb

The Philips 3157A LLB2 miniature bulb is a halogen bulb that provides twice the life of standard incandescent bulbs. It has a long-life rating of 2,500 hours and is used in many applications such as headlamps, turn signal lights, license plate lights and marker lamps. The Miniature Bulb by Philips is an original equipment quality seal for the most reliable performance. Always replace in pairs to ensure a symmetric light beam from both bulbs on the road. Bulbs dim over time. This package contains two miniature bulbs with one year warranty.

$5.76

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3057A Bulbs

Used for: Side Marker Light Bulb Rear(without projector-type headlights)

View all 10 replacement options for size 3057A →

3057 Bulbs

Used for: Turn Signal Light Bulb Rear(without projector-type headlights)

KaTur 3057 LED  High-Power Bulbs

KaTur 3057 LED High-Power Bulbs

3157 T25 LED Bulbs 360°viewing angle for better, no blind spot lighting angle design, brings an astounding emitted light effect, allover light emission to upgrade your car with super bright light to alert other drivers earlier. Xenon White lighting offers more expansive vision and clearer of the surrounding. Energy-Saving, low temperature, low power consumption, better heat dissipation, and much longer lifespan, lasting up to 60,000 hours. Universal 3157 T25 LED Bulbs Standard Socket Fit directly into multiple bulb size sockets such as 3156 3157 3056 4156 3047 3157A 3057 3357 3457 4057 4114 4157 LED Bulbs. Apply to most cars, trucks, SUVs, or vans as Backup-light, Tail light, and Brake light.

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Philips CrystalVision Miniature 3057 Bulb

Philips CrystalVision Miniature 3057 Bulb

The Philips CrystalVision Miniature 3057 Bulb is a great choice for drivers looking to personalize their vehicle. These bulbs are designed for use in turn signals, side markers, and tail lights and provide a bright white light that will make your vehicle stand out on the road. The Philips CrystalVision line is known for delivering high-quality and reliable lighting solutions, and these miniature bulbs are no exception. Upgrade your vehicle's lighting with the Philips CrystalVision Miniature 3057 Bulb for a brighter and more personalized ride.

$4.75

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37 Bulbs

Used for: Ash Tray Light Bulb

View all 12 replacement options for size 37 →

578 Bulbs

Used for: Dome Light Bulb, Map Light Bulb

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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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212-2 Bulbs

Used for: Map Light Bulb

View all 11 replacement options for size 212-2 →

This 2018 RAM 1500 bulb size guide helps you verify the correct replacement bulb by lighting position, so you can match the right part before you buy. Because trim level, headlight style, and lighting package can change the fitment, the bulb chart on this page is organized by location to make it easier to compare the exact lamp on your truck.

For the 2018 RAM 1500, some exterior bulbs use halogen sizes while other versions use LED or different sockets depending on projector-type headlights, non-projector headlights, or other package differences. Use this page to check headlights, tail lights, brake lights, turn signals, reverse lights, marker lights, interior lights, and cargo-area lighting for the most likely bulb size in your specific configuration.

Before ordering, confirm whether your truck has projector-type headlights, standard headlights, or a special lighting package, since the 2018 RAM 1500 can use different bulb sizes for the same function. Also remember that halogen and LED bulbs are not always direct swaps: aftermarket LED conversions may need additional resistors, adapters, or different beam patterns to work correctly. The safest approach is to check the bulb already installed in the vehicle, compare the socket and base style, and then purchase the replacement that matches both the position and the actual fitment on your truck.

FAQ

What is the low beam bulb size for a 2018 RAM 1500?

The low beam bulb can be H11 on trucks without projector-type headlights, or 9005 on versions with projector-type headlights. Always confirm the headlight style before ordering.

What bulb does the high beam use on a 2018 RAM 1500?

The high beam bulb is listed as 9005 for the 2018 RAM 1500.

What is the brake light bulb size on this truck?

Brake light fitment varies by headlight setup. Trucks with projector-type headlights use LED brake light bulbs in the chart, while trucks without projector-type headlights use 3157R or 3057R depending on the listed configuration.

What bulb is used for the tail light on a 2018 RAM 1500?

Tail light fitment also depends on the lighting package. The chart shows LED tail light bulbs for projector-type setups, 3157R for some versions, and 3057R for trucks without projector-type headlights.

What size is the front turn signal bulb?

Front turn signal bulbs vary by configuration. The chart lists LED front turn signal bulbs for projector-type setups, 3157A for several non-projector versions, and 3157 for some trucks with 2-headlight or 4-headlight setups.

What bulb does the rear turn signal use?

Rear turn signal bulbs are listed as LED for projector-type headlights, 3157 for some versions, and 3057 for trucks without projector-type headlights.

What is the reverse light bulb size?

The reverse light bulb is 921 on some configurations, and 7440 on the version with projector-type headlights. Check your headlight style before buying.

What bulb fits the center high mount stop light?

The center high mount stop light bulb size listed for the 2018 RAM 1500 is 921.

What are the license plate light and glove box bulb sizes?

Both the license plate light and glove box light are listed as 194 or 7441, depending on the exact lamp assembly.

What bulb is used for the dome light and map light?

The dome light bulb is 578. The map light is listed as 578 or 212-2.

Does the 2018 RAM 1500 use different bulbs for projector and non-projector headlights?

Yes. The chart shows different bulb sizes for several positions, including low beam, brake light, tail light, turn signal, parking light, side marker, and reverse light depending on whether the truck has projector-type headlights.

Should I check the installed bulb before ordering replacements?

Yes. Checking the installed bulb is the best way to confirm fitment, especially on a 2018 RAM 1500 where trim, market, body style, and lighting package can change the bulb size.

RAM 1500 Bulb Size by Year