RAM 3500 2012 Bulb Size

Bulb size chart

Fog Light Bulb Front - 9145 LED
Headlight Bulb High Beam - 9005
Headlight Bulb High Beam and Low Beam - H13
Headlight Bulb Low Beam - H11
Back Up Light Bulb - 921
Brake Light Bulb - 3157R
Center High Mount Stop Light Bulb - 921
License Plate Light Bulb - 194
Parking Light Bulb(with 2 headlights) - 3157
Parking Light Bulb(with 4 headlights) - 3157A
Side Marker Light Bulb Front(with 2 headlights) - 3157
Side Marker Light Bulb Front(with 4 headlights) - 3157A
Tail Light Bulb - 3157R
Turn Signal Light Bulb Front(with 2 headlights) - 3157
Turn Signal Light Bulb Front(with 4 headlights) - 3157A
Turn Signal Light Bulb Rear - 3157
Ash Tray Light Bulb - 37
Dome Light Bulb - 578
Map Light Bulb - 212-2
Trunk or Cargo Area Light - 921

9145 LED Bulbs

Used for: Fog Light Bulb Front

View all 10 replacement options for size 9145 LED →

9005 Bulbs

Used for: Headlight Bulb High Beam

View all 30 replacement options for size 9005 →

H13 Bulbs

Used for: Headlight Bulb High Beam and Low Beam

KATANA H13 LED Headlight Bulbs, Super Bright

KATANA H13 LED Headlight Bulbs, Super Bright

The KATANA H13 LED Bulbs are designed for easy installation, with a 1:1 mini design that fits almost exactly like halogen bulbs. There's no need for any tools or modifications, and installation can be done in just 10 minutes, making it a hassle-free upgrade. Built to last, these bulbs feature an aviation aluminum body and an ultra-high-speed fan for maximum cooling. The 360° beam angle ensures a perfect beam pattern with no dark spots, making it ideal for use in rainy, foggy, or snowy conditions. The in-built upgraded CANBUS system is compatible with 99% of vehicles, and there will be no error codes displayed on your vehicle's computer. Upgrade your vehicle's lighting system with the KATANA H13 LED Headlight Bulbs and enjoy a brighter, safer, and more confident driving experience.

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TECHMAX H13 LED Headlight Bulb

TECHMAX H13 LED Headlight Bulb

Upgrade your car's lighting with the TECHMAX H13 LED Headlight Bulb, and enjoy a safer and more comfortable driving experience with brighter and more uniform lighting. With a gentle white light that replaces the dim yellow halogen lamp, you'll enjoy a clearer and brighter driving experience. The white light emitted by these bulbs illuminates the road and enhances visibility. Thanks to the windless direct plug-in design, the TECHMAX H13 LED Headlight Bulb is easy to install and light up when plugged in. This unique design also enhances the driving experience by providing a quiet and comfortable ride.

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View all 15 replacement options for size H13 →

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 →

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 →

3157R Bulbs

Used for: Brake Light Bulb, Tail Light Bulb

Sylvania Zevo LED Red Bulb

Sylvania Zevo LED Red Bulb

SYLVANIA ZEVO LED bulbs deliver a brighter, whiter, sharper light. As easy as changing a light bulb, you can have improved performance and safety for interior and exterior applications. World-class manufacturing and high-quality materials guarantee a lifetime warranty on your ZEVO bulbs. LED bulbs used for turn signals may require the use of load resistors to ensure appropriate power is supplied to the bulbs and prevent hyper flashing.  Delivers A Brighter and Sharper Light: This is a RED LED bulb – Ideal for stop and tail lights.

$19.75

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View all 13 replacement options for size 3157R →

194 Bulbs

Used for: License Plate Light Bulb

View all 21 replacement options for size 194 →

3157 Bulbs

Used for: Parking Light Bulb(with 2 headlights), Side Marker Light Bulb Front(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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View all 12 replacement options for size 3157 →

3157A Bulbs

Used for: Parking Light Bulb(with 4 headlights), Side Marker Light Bulb Front(with 4 headlights), Turn Signal Light Bulb Front(with 4 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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View all 13 replacement options for size 3157A →

37 Bulbs

Used for: Ash Tray Light Bulb

Philips 37 LongerLife Miniature Bulb

Philips 37 LongerLife Miniature Bulb

Introducing Philips LongerLife replacement mini bulbs, the ultimate choice for drivers seeking optimal value for their investment. Engineered with a cutting-edge filament design and advanced gas fill mixture, these LongerLife miniature bulbs outlast conventional incandescent ones, providing an extended lifespan. For consistently balanced illumination on the road, it is recommended to replace both bulbs simultaneously, as bulbs tend to gradually dim over time.

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578 Bulbs

Used for: Dome 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 →

212-2 Bulbs

Used for: Map Light Bulb

View all 11 replacement options for size 212-2 →

The 2012 RAM 3500 uses different bulb sizes depending on the lighting position, so the safest way to shop is by matching the bulb to the exact location on the truck. This page helps you verify the correct bulb size for each light, including headlights, tail lights, brake lights, turn signals, license plate lights, and interior bulbs.

Because the 2012 RAM 3500 was offered with different trim and lighting setups, the bulb chart can vary by body style and market. Use the lighting position first, then confirm the bulb number before ordering replacement bulbs for your truck.

For best fitment, always compare the bulb type on your truck with the chart and check the installed bulb before buying, especially if your RAM 3500 has an upgraded lighting package or has been modified with aftermarket parts. Some positions may use halogen bulbs, while others may be converted to LED by previous owners, and that can affect compatibility even when the socket looks the same. If you are replacing bulbs with LED upgrades, make sure the new bulb matches the socket and does not create warning lights, fast flashing, or beam pattern issues. When in doubt, remove one bulb and verify the number stamped on the base before purchasing a full set.

FAQ

What is the low beam bulb size for a 2012 RAM 3500?

The listed low beam bulb size is H11 for the 2012 RAM 3500.

What bulb does the high beam use on this truck?

The high beam bulb size listed for the 2012 RAM 3500 is 9005.

Does the 2012 RAM 3500 use the same bulb for high and low beams on every version?

No. Some versions list separate high beam and low beam bulbs, while others list a combined H13 headlight bulb for high and low beam use. Check the lighting setup on your truck before ordering.

What is the brake light bulb size?

The brake light bulb size listed for the 2012 RAM 3500 is 3157R.

What bulb is used for the tail lights?

The tail light bulb size listed for the 2012 RAM 3500 is 3157R.

What is the rear turn signal bulb size?

The rear turn signal bulb size listed for the 2012 RAM 3500 is 3157.

What bulb fits the license plate lights?

The license plate light bulb size listed for the 2012 RAM 3500 is 194.

What bulb is used for the backup lights?

The backup light bulb size listed for the 2012 RAM 3500 is 921.

What is the center high mount stop light bulb size?

The center high mount stop light bulb size listed for the 2012 RAM 3500 is 921.

What bulb fits the dome light?

The dome light bulb size listed for the 2012 RAM 3500 is 578.

What bulb is used for the map lights?

The map light bulb size listed for the 2012 RAM 3500 is 212-2.

What bulb does the front fog light use?

The front fog light bulb listed for the 2012 RAM 3500 is 9145 LED.

Are there different front bulb sizes depending on the headlight style?

Yes. The 2012 RAM 3500 has different front bulb listings depending on whether the truck has a 2-headlight or 4-headlight setup. For example, some front turn signal, parking light, and side marker positions use 3157 on 2-headlight versions and 3157A on 4-headlight versions.

Can trim level or market change the bulb size on a 2012 RAM 3500?

Yes. Trim, lighting package, body style, and market can affect bulb fitment, so it is important to confirm the exact position on your truck instead of relying only on the model year.

RAM 3500 Bulb Size by Year