Best Turn Signal Bulbs of 2025

Joseph Prokop Avatar
Joseph Prokop
Last Updated: 9 Feb 2025

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Turn signal bulbs are an essential part of any vehicle's lighting system, providing a clear signal to other drivers when you intend to turn or change lanes. These bulbs are designed to fit specific models and come in a variety of sizes and styles, including LED and halogen. They are easy to replace and can improve visibility and safety on the road. Whether you need to replace a burnt-out bulb or upgrade to a brighter option, turn signal bulbs are a reliable choice.

At a Glance: Our Top Picks

Tek Automotive 581 PY21W Indicator Bulbs Twin Pack Cover #TOP 1
Tek Automotive 581 PY21W Indicator Bulbs Twin Pack
ftb score rating icon 9.9
Philips PY21W Silver Vision Indicator Bulbs Cover #TOP 2
Philips PY21W Silver Vision Indicator Bulbs
ftb score rating icon 9.8
GLL BAU15S LED Bulbs for Turn Signals Cover #TOP 3
GLL BAU15S LED Bulbs for Turn Signals
ftb score rating icon 9.6

Top 10 Turn Signal Bulbs

#TOP 1

Tek Automotive 581 PY21W Indicator Bulbs Twin Pack

Tek Automotive
TK581BL
Amber
Tek Automotive 581 PY21W Indicator Bulbs Twin Pack Cover
Tek Automotive 581 PY21W Car Bulb – Indicator Bulbs 12V 21W BAU15S, Orange | PY21W Indicator Bulbs for Turn Signal Car Lights, Bulbs & Indicators - Twin Pack

The Tek Automotive PY21W Bulbs are designed for reliability and durability, ensuring that you can trust their performance on the road. These high-quality orange indicator bulbs are E approved and road legal, providing you with peace of mind knowing they meet safety standards. With a twin pack, you will have an ample supply for multiple replacements or spares, which is incredibly convenient for maintaining your vehicle. The precise compatibility and performance of these bulbs make them a smart choice for your turn signal needs.

What We Like
Reliable and durable construction
Road legal and E approved
Convenient twin pack
Precise compatibility with vehicles
#TOP 2

Philips PY21W Silver Vision Indicator Bulbs

12496SVB2
Silver
Philips PY21W Silver Vision Indicator Bulbs Cover
Philips 12496SVB2 PY21W Silver Vision, Indicator Bulbs with Silver Coating (2 x Bulbs)

The Philips PY21W Bulbs are designed to enhance your vehicle's visibility on the road. With a voltage of 12V, these bulbs ensure efficient performance, giving you confidence during your travels. The PY21W bulb type offers a reliable solution for turn signal needs, allowing clear communication with other drivers. The BAU15s socket type makes installation straightforward, ensuring you can quickly replace your old bulbs. With their silver coating, these bulbs provide a sleek appearance that adds a stylish touch to your vehicle.

What We Like
High visibility
Easy installation
Stylish silver coating
Reliable performance
#TOP 3

GLL BAU15S LED Bulbs for Turn Signals

GLL
TL0192
Amber
BAU15S | 150°
GLL BAU15S LED Bulbs for Turn Signals Cover
GLL 2PCS BAU15S LED Bulbs 12V Amber Yellow PY21W Bulbs 144 3014 SMD 2800LM Canbus Error Free for Car Turn Signal Lights Indicator Lights Only

The GLL BAU15S LED Bulbs significantly improve your vehicle's visibility with their impressive brightness, utilising 144 x 3014 LEDs to produce 2800 lumens. This feature enhances safety during turning manoeuvres. With an internal decoder, these bulbs minimise compatibility issues, reducing the chances of error messages or flickering on most vehicles, making installation straightforward. The reliable heat dissipation technology ensures stable performance and prolongs the lifespan of the bulbs, even in demanding situations. Additionally, their long lifespan of 30,000 hours means you can enjoy uninterrupted illumination without the frequent need for replacements.

What We Like
Bright illumination for safety
Minimises error messages
Stable performance in all conditions
Long lifespan, fewer replacements
#TOP 4

Tek Automotive 581 PY21W Orange Indicator Bulbs

Tek Automotive
TK581
Amber
Tek Automotive 581 PY21W Orange Indicator Bulbs Cover
Tek Automotive 581 PY21W Car Bulb – Indicator Bulbs 12V 21W BAU15S, Orange | PY21W Indicator Bulbs for Turn Signal Car Lights, Bulbs & Indicators - Box of 10

The Tek Automotive PY21W Bulbs are a reliable choice for your vehicle's turn signal needs. With high-quality construction, these bulbs ensure superior performance, giving you confidence that they will last. They are also E approved and road legal, meaning you can drive with peace of mind knowing you comply with safety regulations. Additionally, the economical pack of ten bulbs offers great value, ensuring you have plenty of replacements on hand when needed.

What We Like
High-quality construction
E approved and road legal
Pack of ten bulbs
Reliable performance
Great value for money
#TOP 5

Be In Your Mind Turn Signal Bulb Holder

95507733
Black
Be In Your Mind Turn Signal Bulb Holder Cover
Be In Your Mind Light Bulb Holder Socket Replacement 95507733 Compatible with Vauxhall Corsa Turn Signal Bulb Holder Car Accessories Black

The Be In Your Mind Holder is designed specifically for the Vauxhall Corsa, ensuring a perfect fit for your vehicle. Made from durable ABS, this indicator bulb holder is wear-resistant and offers a long service life, giving you peace of mind. Its easy installation means you can replace your old or broken holder without hassle, saving you time and effort. Just ensure you compare your current parts with the provided images before purchasing for a smooth experience.

What We Like
Perfect fit for Vauxhall Corsa
Durable ABS material
Easy to install
Long service life
#TOP 6

3157/3457 Tail Light Bulbs for SUVs

flysclean
3157, 3457, P27/7W
Yellow light
3157/3457 Tail Light Bulbs for SUVs Cover
3157/3457 tail/brake light bulb/Turn Signal Bulbs(12V 27/7W 2200K) fits for Jeep Grand Cherokee Wrangler Commander Compass Journey Primus Edge -(Pack of 2)

The flysclean Tail Light Bulbs include two 3157 halogen bulbs designed for various Jeep models from 2011 to 2019. These bulbs are versatile, suitable for brake lights, turn signals, and more, ensuring your vehicle is visible on the road. Their plug-and-play design means you can easily install them without worrying about CANBus error codes or flickering. With multiple cross-reference numbers, you can be confident these bulbs will fit your specific needs.

What We Like
Easy installation
No flickering issues
Compatible with multiple models
Versatile lighting applications
#TOP 7

SOCAL-LED 2pcs LED Load Resistors for Turn Signals

LLR-25W
Gold
SOCAL-LED 2pcs LED Load Resistors for Turn Signals Cover
SOCAL-LED 2pcs LED Load Resistors 25W 10 ohm LED Bulbs Turn Signal Error/Blinker/Hyper Flashing

The SOCAL-LED Load Resistors are designed to eliminate common issues you may face after installing LED light bulbs. They effectively fix the "bulb out signal" and "OBC error message", ensuring your vehicle functions correctly. If you've experienced hyper flashing or fast turn signal blinking, these resistors will resolve that as well. Installation is hassle-free, requiring no wire cutting; simply connect the wires using the provided splice taps, making it convenient for you to upgrade your lighting without complications.

What We Like
Fixes bulb out signals
Eliminates hyper flashing
Easy installation
Requires one per LED bulb
Mounts safely on metal surfaces
#TOP 8

Alopee 4-Pack Extremely Bright LED Bulbs

AM-2835-39SMD-1156-A
P21W Amber
1156 Amber
Alopee 4-Pack Extremely Bright LED Bulbs Cover
Alopee 4-Pack P21W 1156 BA15S LED Bulbs, Extremely Bright Amber/Yellow P21W 7506 Non-Polarity 2835 39-SMD 12-24V LED Bulbs Car Replacement Lights for Turn Signal Light Blinker Bulb

The Alopee LED Bulbs provide an excellent upgrade for your vehicle's lighting needs. With a brightness of 1000 lumens per bulb, these LEDs are significantly brighter than halogen options, ensuring improved visibility on the road. Their 360-degree beam angle maximises lighting output, making them ideal for turn signal and blinker use. Plus, with a long service life of over 50,000 hours, you can enjoy dependable performance for years. These bulbs are simple to install, fitting various sockets effortlessly.

What We Like
Brighter than halogen bulbs
Long service life
Easy installation
360-degree lighting
Energy efficient
#TOP 9

Meonum 7443 Brake Light Bulb Set

Meonum
Meonum-Bulbs-1286
Yellow
0.79in*1.69in
Meonum 7443 Brake Light Bulb Set Cover
Meonum Brake Light Bulb Compatible with 7443, Turn Signal Bulbs Compatible with Car Reverse Lights T20 7441 7444 W21W Replacement for Daytime Running/Strobe Brake/Tail/Backup/Parking/Rear Brake Lights

The Meonum Turn Signal Bulbs offer excellent versatility with a compatibility range that includes various models using 7443 brake bulbs. With a brightness of 440LM and a colour temperature of 3800K, these bulbs ensure you are visible even in poor weather conditions. Crafted from quartz glass, the bulbs are designed to withstand high temperatures and road vibrations, enhancing durability. The hassle-free installation allows you to easily replace bulbs without professional help, ensuring your vehicle stays safe and compliant.

What We Like
Wide compatibility with various models
High brightness for visibility
Durable quartz glass construction
Easy plug-and-play installation
#TOP 10

UPXSXT 7440 LED Turn Signal Bulbs

B0CWNB6F51
amber
7440 WY21W T20
UPXSXT 7440 LED Turn Signal Bulbs Cover
UPXSXT 2Pcs 7440 LED Bulb Amber, 7440A 7441 7440NA WY21W T20 Turn Signal Light Bulb CANBUS Error Free Anti Hyper Flash Car Replacement Bulb Super Bright 30-SMD 25W 4000LM

The UPXSXT 7440 Bulbs feature 30 super bright 3030 SMD chips that enhance the brightness of your car lights, ensuring that other drivers can see you clearly and maintain a safe distance. With a lifespan of up to 50,000 hours, these bulbs reduce the hassle of frequent replacements. They utilise a built-in constant current decoding resistor to prevent hyper flash and ensure stable performance. Installation is straightforward and quick, allowing you to replace your old bulbs in just five minutes without any modifications.

What We Like
Super bright illumination
Long lifespan of 50,000 hours
Error-free performance
Easy five-minute installation
Buying Guide Image
Editor's Notes

During our turn signal bulb research, we found 306 turn signal bulb products and shortlisted 10 quality products. We collected and analyzed 25,898 customer reviews through our big data system to write the turn signal bulbs list. We found that most customers choose turn signal bulbs with an average price of £15.71.

The turn signal bulbs are available for purchase. We have researched hundreds of brands and picked the top brands of turn signal bulbs, including Tek Automotive, PHILIPS, GLL, Be In Your Mind, flysclean. The seller of top 1 product has received honest feedback from 858 consumers with an average rating of 4.7.

Written by
Joseph Prokop Avatar

Joseph is a seasoned writer who's also passionate about automotive. His passion for automotive care and maintenance fuels his drive for more knowledge in the field. He currently resides in Middlesbrough, where he finds time to write informative contents on automotive. His automotive related articles are quite popular in journals around the world. Joseph continues to use his wealth of experience in the industry to create helpful guides on automotive.