Best P21W Tail Light Bulbs of 2025

The AUXITO 1156 LED Bulb White is a great choice for those looking for a brighter and more stylish tail light. It features a unique 1:1 design, with a 6000K white light output and 3030SMD LED chips that generate 300% brighter output than halogens. It is non-polarity and plug and play for stock backup reverse lights, brake lights, turn signal lights, etc. It is also equipped with a hidden hollow-carved and aviation grade aluminum body for better heat dissipation and a special PC lampshade for protecting LED chips and components. It may require 50W 6ohm load resistors or flash relay when used for turn signal blinker light.

Upgrade your car lighting with Yorkim LED Bulb. Its 21 PCS powerful 2835 SMD LED chips provide a 360-degree lighting angle, making it 300% brighter than halogen bulbs. With a lifespan of up to 50,000 hours, you won't have to worry about constant maintenance. The built-in upgraded smart IC driver ensures high heat consumption, constant current, and great performance. Its no-polar design makes it easy to install, fitting in standard 1156 socket, and taking only 10 minutes to plug and play. It's an instant start, no delay, safe, and reliable enough with no glare to other drivers. It is suitable for various applications such as Brake Lights, Turn Signal Lights, Reverse Back Up Lights, Tail Lights, Parking Lights, Side Marker Lights, Daytime Running Lights, and more.

Upgrade your vehicle's lighting with the LUYED LED Bulb. This set of 10 bulbs is super bright and low power, providing 650 lumens and 2.8W per bulb. With its 6500K xenon white light, it is much brighter than the original bulb, ensuring better visibility on the road. The LUYED LED Bulb is versatile and can be used as backup reverse lights, turn signal lights, and tail lights. It is also suitable for RV lights and side marker lights. The built-in intelligent IC driver and aviation aluminum material ensure better heat dissipation, resulting in a longer LED bulb life of up to 50,000 hours. With its plug and play design, installation is a breeze. Experience enhanced brightness and reliability with the LUYED LED Bulb.

The AUTOONE 1156 LED Bulb is a powerful and high quality LED bulb that is 300% brighter than halogen bulbs. It features a special PC lampshade and aviation grade aluminum body design for 360° illumination and efficient heat dissipation. The bulb is non-polarity and error free for 98% of vehicles, making it easy to install. Customers have praised its brightness, wide spread, and color temperature.

The Heifymi LED Bulb is designed for easy installation and long-lasting use. With a compact size, it fits perfectly in standard 1156 sockets, allowing you to quickly replace your old bulbs without any modifications. You'll appreciate the bright 6000K white light and impressive 330 lumens output, ensuring excellent visibility on the road. Moreover, this bulb is built to last, boasting a lifespan of over 30,000 hours, significantly outlasting traditional incandescent bulbs. Its energy-efficient design helps you save on power consumption while providing a clear, bright light for various applications like brake lights and turn signals.

The LEDYOTRY 1156 Bulb offers exceptional brightness with its 24 high-quality LED chips, ensuring you have clear visibility whether you're reversing or using your brake lights. Its polarity-free design makes installation a breeze, allowing you to simply plug it in without worrying about orientation. This bulb is versatile, perfect for a range of applications from tail lights to RV interior lighting. With built-in smart technology, it maintains stable brightness while protecting against overheating, giving you peace of mind and extending the bulb's life to an impressive 50,000 hours.

The evntyps 1156 LED Bulb offers a great upgrade for your vehicle's lighting. With its built-in resistor, it is compatible with 99% of vehicles, eliminating the need for additional components. You’ll enjoy an impressive 800% increase in brightness, thanks to the 36 high-brightness LED chips that produce a striking 6000K xenon white light. Installation is a breeze, taking just five minutes due to its 1:1 sizing and non-polarity design—simply plug and play. The innovative cooling system, featuring a turbo fan, ensures the bulb maintains a safe temperature, extending its lifespan and reliability.

The BRISHINE LED Bulbs provide exceptional brightness and safety for your vehicle. With a powerful output of 1000 lumens per bulb, these lights enhance your visibility on the road, making it easier for other drivers to see you. Their full aluminum housing ensures efficient heat dissipation, extending the lifespan to over 30,000 hours compared to traditional incandescent bulbs. Plus, installation is a breeze with their plug-and-play design, fitting various models without any modifications needed. Enjoy the peace of mind that comes with a 1-year warranty, ensuring your investment is protected against manufacturer defects.

The GLOFE 1156 LED Bulbs are designed to significantly enhance your vehicle's lighting. With a design that mimics traditional halogen bulbs, these LEDs are 400% brighter while consuming only a quarter of the energy. This means you get powerful illumination with lower energy costs. They are built with a constant current IC, ensuring a longer lifespan and efficient performance without radio interference. Installation is a breeze with a simple plug-and-play setup, making it easy for you to upgrade your brake, tail, and running lights.

Bsxywa LED Bulbs are the perfect replacement for your car's backup reverse light, turn signal blinker light, brake stop tail light, daytime running light(DRL), side marker light, cornering light, parking light etc. These bulbs are ultra-bright and energy-saving with 1500 lumens each. The built-in intelligent constant current IC driver ensures better performance and the wide operating voltage technology, along with the glass projector, provides stronger light penetration. The hollowed-out aluminum body ensures excellent heat dissipation, and each bulb has a lifespan of 50,000+ working hours. The 1156 LED bulbs are easy to install with their non-polarity design, just plug and play. Please double check your owner's manual or original bulb size to confirm before placing an order. Load resistor might be needed to avoid signal hyper flashing or error code issue.