Best Automotive Ignition Light Bulbs of 2025

David Davis Avatar
David Davis
Last Updated: Jan 1, 2025

* We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.

Automotive Ignition Light Bulbs are an essential component of any car's ignition system. These small but mighty bulbs provide the necessary illumination for drivers to see their keyholes and ignition switches in low-light conditions. They also serve as an indicator, signaling when the car's ignition is engaged and ready to start. Designed to withstand the high temperatures and vibrations of an engine, these bulbs are made with high-quality materials and are built to last. Whether you're replacing a burnt-out bulb or upgrading your ignition system, Automotive Ignition Light Bulbs are a reliable and affordable solution.

At a Glance: Our Top Picks

cciyu T4.7 Neo Wedge Halogen A/C Light Bulb Cover #TOP 1
cciyu T4.7 Neo Wedge Halogen A/C Light Bulb
ftb score rating icon 9.8
cciyu 10 Pack T5 B8.4D LED Bulbs Cover #TOP 2
cciyu 10 Pack T5 B8.4D LED Bulbs
ftb score rating icon 9.7
britelites Jtech LED Car Dashboard Instrument Cluster Panel Light Bulb Cover #TOP 3
britelites Jtech LED Car Dashboard Instrument Cluster Panel Light Bulb
ftb score rating icon 9.5

Top 10 Automotive Ignition Light Bulbs

#TOP 1

cciyu T4.7 Neo Wedge Halogen A/C Light Bulb

assemblies
White
cciyu T4.7 Neo Wedge Halogen A/C Light Bulb Cover
cciyu 20 Pack Warm White T4/T4.2 Neo Wedge Halogen A/C Bulb Replacement fit for A/C Light

Upgrade your car's A/C lighting with cciyu A/C Light Bulb. These T4.7 Neo Wedge Halogen Light Bulbs have a diameter of 12mm and a flat top base, and are compatible with T5 - 79607-SHJ-S01 socket bulb number. The bulbs consume low power and generate low temperature, ensuring a long-lasting life of up to 50000 working hours. The ultra-bright LED produces a unique and vivid color, enhancing your driving experience. If the LED doesn't light up, simply rotate it 180 degrees to reverse the polarity. With cciyu A/C Light Bulb, you can enjoy a brighter, more efficient, and longer-lasting A/C light.

What We Like
Low power consumption
Low temperature
Long-lasting life
#TOP 2

cciyu 10 Pack T5 B8.4D LED Bulbs

990313-5210-1136505
White
cciyu 10 Pack T5 B8.4D LED Bulbs Cover
cciyu 10 Pack Car T5 B8.4D 5050 1SMD White LED Lamps Instrument Dashboard Side Indicator Lights

The cciyu LED Dashboard Lights offer a bright and vibrant solution for your vehicle's interior lighting needs. With a built-in circuit designed for 12V power input, these lights are easy to install—just plug them in and you're set. They consume low power and generate minimal heat, ensuring safety and efficiency. Each bulb features a high-power SMD LED that produces up to 16 lumens, significantly brighter than standard bulbs. This makes them perfect for illuminating dashboard lights, side indicators, and other essential vehicle lights, enhancing visibility and style in your car or RV.

#TOP 3

britelites Jtech LED Car Dashboard Instrument Cluster Panel Light Bulb

SAIJINZHI123
White
britelites Jtech LED Car Dashboard Instrument Cluster Panel Light Bulb Cover
britelites Jtech 10x T4 / T4.2 Neo Wedge 2 SMD LED White Car Dashboard Instrument Cluster Panel, A/C Climate Control HVAC Switch Light Bulb

The britelites Jtech LED Car Dashboard Instrument Cluster Panel Light Bulb is a direct replacement for T4, 79674-S3N-941/36774-SEP-A01/79628-S2A-003 35855-S2A-003 35851-S2A-003 35855-S2A-A13. It is compatible with 10 mm base and provides white light. Before purchasing, make sure to check the base diameter of your vehicle's bulb or the compatible part #. If they don't light properly after inserting into the socket, please insert oppositely or flip the bulb horizontally to match the + and - polarity. Also, try to pull the pins on the base outwards a little in case the bulb is slightly loose or no good contact in the socket.

What We Like
Direct replacement for T4, 79674-S3N-941/36774-SEP-A01/79628-S2A-003 35855-S2A-003 35851-S2A-003 35855-S2A-A13
Compatible with 10 mm base and provides white light
Easy to install and use
#TOP 4

cciyu T5 LED Wedge Lamp Bulbs Lights Replacement, 20Pack White

assemblies
cciyu T5 LED Wedge Lamp Bulbs Lights Replacement, 20Pack White Cover
cciyu T5 58 70 73 74 Dashboard Gauge 1-SMD 5050 LED Wedge Lamp Bulbs Lights Replacement fit for Dashboard instrument Panel Light Bulbs LED Lamps,20Pack White

Upgrade your vehicle's lighting system with cciyu T5 LED Bulbs. These bulbs feature a T5 1-SMD-5050 LED type and a small wedge base for easy installation. They are perfect for replacing stock numbers T5 17 18 27 37 58 70 73 74 79 85 86 206 207 286 306 307 308 406 407 2721 74 / T5 = 17 18 37 70 73 79 85 86 2721, and are suitable for DC 12V only. With 20 bulbs in a pack, these LED lamps can replace the light for side markers, running lights, corner bumper lights, license plate lights, instrument clusters, gauge bulbs, dashboard and factory housings. These LED bulbs provide faster on/off response time, making them ideal for instrument panel indicators, speedometers, tachometers, gauge clusters, check engine indicators, high beam indicators, and shifter lights. Before placing your order, please verify that the product is compatible with your specific vehicle.

What We Like
Easy Installation
Faster On/Off Response Time
20 Bulbs in a Pack
#TOP 5

britelites Jtech 10x T3 Neo Wedge LED White Car Dashboard Instrument Cluster Panel, A/C Climate Control HVAC Switch Light Bulb

White
britelites Jtech 10x T3 Neo Wedge LED White Car Dashboard Instrument Cluster Panel, A/C Climate Control HVAC Switch Light Bulb Cover
Jtech 10x T3 Neo Wedge LED White Car Dashboard Instrument Cluster Panel, A/C Climate Control HVAC Switch Light Bulb

Upgrade your vehicle's lighting with the britelites LED Car Bulb. This direct replacement for T3, 39397-SA5-003, 35852-SEP-A02, 35853-SDA-A01, etc., is designed to fit an 8mm base. Before ordering, please check your vehicle's bulb base diameter or compatible part number. If the bulb doesn't light up, try flipping it horizontally or inserting it oppositely to ensure the proper polarity. The britelites LED Car Bulb provides bright, white light for your dashboard instrument cluster, A/C climate control, and HVAC switch. This automotive ignition light bulb is easy to install and will provide you with clear visibility, making it easy to read your gauges and controls while driving.

What We Like
Direct replacement
Bright white light
Easy to install
#TOP 6

Honda Genuine Bulb (T3)

35505-S84-N01
Honda Genuine Bulb (T3) Cover
Honda Genuine Bulb (T3) (14V 50MA)

This Honda Genuine Bulb (T3) is an original equipment manufacturer (OEM) product, meaning it is a genuine part that has been made by the same manufacturer as your vehicle. It is designed to provide a perfect fit and optimal performance for your vehicle's ignition light bulbs. This bulb has a 14V and 50MA rating, making it a reliable choice for your automotive needs.

What We Like
Original equipment manufacturer (OEM) product
Provides a perfect fit and optimal performance
Reliable choice for automotive needs
#TOP 7

TuningPros LED Ignition Switch Bulbs

LEDIS-T5-A3
Amber
TuningPros LED Ignition Switch Bulbs Cover
TuningPros LEDIS-T5-A3 Ignition Switch LED Light Bulbs T5, 3 LED Amber 2-pc Set

The TuningPros LED Bulbs enhance your vehicle's ignition switch with bright amber lighting. These long-lasting LED bulbs are designed for 12-volt systems, ensuring safety during night drives by making your car more visible to other drivers. With a lifespan of up to 100,000 hours, you won't have to worry about frequent replacements. Additionally, they are resistant to shock and vibrations, providing reliable performance even in tough conditions. The plug-and-play design makes installation simple, although you might need a load resistor for optimal functionality.

What We Like
Long lifespan up to 100,000 hours
Enhanced visibility for safety
Shock and vibration resistant
Easy plug-and-play installation
#TOP 8

Jtech LED Blue Instrument Panel Dash Light Bulb

Blue
Jtech LED Blue Instrument Panel Dash Light Bulb Cover
Jtech 10x T5 5050 SMD LED Blue Instrument Panel Dash Light Bulb 74 17 18 37 70 2721

The Jtech LED Blue Instrument Panel Dash Light Bulb is a direct replacement for T5 Wedge Type 17, 18, 27, 37, 58, 70, 73, 74, 79, 85, 86, and 2721 bulbs. With a life span of 50000 hours, this bulb has no UV or IR radiation and uses PREMIUM SMD5050(3chip) x 1P LED technology for bright blue light. JTECHnow britelites ensures superior product quality and offers great service. If the bulb doesn't light properly, try inserting it oppositely or flipping it horizontally to match the + and - polarity, and pull the pins on the base outwards a little for better contact.

What We Like
Long life span of 50000 hours
No UV or IR radiation
Bright blue light using PREMIUM SMD5050(3chip) x 1P LED technology
#TOP 9

CCYIU Super Blue Wedge Side T10 6SMD LED Light

assemblies
Blue
CCYIU Super Blue Wedge Side T10 6SMD LED Light Cover
cciyu 10X Super Blue Wedge Side T10 6SMD LED Speedometer Instrument Light 192 194 168

Upgrade your car's lighting system with the CCYIU Super Blue Wedge Side T10 6SMD LED Light. These lights offer ultra-bright and vivid colors along with low power consumption and temperature. They are easy to install, just plug and play, and have a fast on/off response time. These lights have a long-lasting life of up to 50,000 working hours and can be used for various applications such as dashboard, indicator, instrument panel, and other gauges light, air conditioning indicating lamp, center console, and interior light.

What We Like
Easy installation, plug and play.
Long-lasting life of up to 50,000 working hours.
Low power consumption and temperature.
#TOP 10

Jtech 10x T5 5050 SMD LED Green Light Bulb

green
Jtech 10x T5 5050 SMD LED Green Light Bulb Cover
britelites Jtech 10x T5 5050 SMD LED Green Instrument Panel Dash Light Bulb 74 17 18 37 70 2721

The Jtech 10x T5 5050 SMD LED Green Light Bulb is a direct replacement for T5 Wedge Type bulbs and has a lifespan of 50,000 hours. The LED bulb emits no UV or IR radiation and features premium SMD5050(3chip) x 1P for a vibrant green color. JTECHnow britelites is a trusted brand that offers superior product quality and service. If the bulb doesn't light properly, try inserting it oppositely or flipping it horizontally to match the + and - polarity. You can also pull the pins on the base outward a little for better contact in the socket.

What We Like
Long lifespan of 50,000 hours
Direct replacement for T5 Wedge Type bulbs
No UV or IR radiation
Premium SMD5050(3chip) x 1P for a vibrant green color
Trusted brand with superior product quality and service
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What is the difference between 1157 and 1154 bulbs?

The difference between 1157 and 1154 bulbs lies in their voltage compatibility. The 1157 bulb is designed for 12-volt systems, while the 1154 bulb is for 6-volt systems. Both bulbs have a 15mm diameter bayonet fit and feature two contacts on the base, one for the tail light and one for the stop light function.

2. What's the difference between a 921 and a 922 bulb?

The 921 and 922 bulbs are the same size and fit the same socket. The main difference between them is their brightness. The 921 bulb has a higher power rating and generates a more appealing 1600 lumens of brightness, while the 922 bulb offers a respectable 1300 lumens of brightness.

3. What kind of bulbs are in instrument cluster?

Most car manufacturers use small incandescent bulbs for the instrument panel gauge lights. These bulbs provide a consistent level of light output and have a relatively long lifespan. However, they are not as efficient as LED bulbs and generate more heat. Some instrument clusters may also use LED bulbs or other types of light sources.

4. What are the types of automotive light bulbs?

There are several types of automotive light bulbs available, including LED bulbs, halogen bulbs, PAR bulbs, incandescent bulbs, and MR bulbs. Each type has its own characteristics and applications. LED bulbs are known for their energy efficiency and long lifespan, while halogen bulbs are commonly used for headlights and interior lights.

5. Can you replace a 1157 bulb with LED?

Yes, it is possible to replace a 1157 bulb with an LED bulb. LED bulbs designed for the same socket as traditional 1157 bulbs are available. LED bulbs offer the advantage of lasting longer and being more durable compared to incandescent bulbs.

6. What is a 922 bulb used for?

A 922 bulb is commonly used for various automotive applications, including back up/reverse lights, trunk lights, dome lights, and more. These bulbs are designed for durability, lower maintenance, and safety.

7. What is a 3757 bulb used for?

A 3757 bulb is typically used as a turn signal and side marker light in vehicles. These amber incandescent bulbs provide optimal visibility and are designed for durability, lower maintenance, and safety.

8. What bulbs are in the dash?

The majority of cars on the road today use traditional incandescent bulbs behind the dash. These bulbs are specially made, very small, and have a bullet-shaped appearance with exposed wires at the bottom end.

9. How do you identify automotive light bulbs?

Automotive light bulbs are typically identified by an ANSI code, which consists of four numbers imprinted directly on the bulb itself. These codes help in identifying the specific type and specifications of the bulb.

10. What is the most common automotive light bulb?

The most common automotive light bulb is the halogen bulb. Halogen bulbs are easy to produce, inexpensive, and widely used for various purposes, including headlights and interior lights in most vehicles.

Editor's Notes

During our automotive ignition light bulb research, we found 24 automotive ignition light bulb products and shortlisted 10 quality products. We collected and analyzed 13,895 customer reviews through our big data system to write the automotive ignition light bulbs list. We found that most customers choose automotive ignition light bulbs with an average price of $8.16.

The automotive ignition light bulbs are available for purchase. We have researched hundreds of brands and picked the top brands of automotive ignition light bulbs, including cciyu, britelites, Honda, Tuningpros. The seller of top 1 product has received honest feedback from 1,565 consumers with an average rating of 4.7.

Written by
David Davis Avatar

David Davis has rich experience as a mechanic and a general repairman in the automotive industry. It has given him plenty of knowledge in automobile repair, auto parts, and all kinds of tools. In his spare time, he enjoys assembling and disassembling parts for cars.