Top 10 W21/5W LED Bulb UK – Car Exterior Light Bulbs

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1. Philips

Set of 2, Philips 11066XUWX2 LED car signaling Bulb W21/5W White

Philips - It is your own responsibility to ensure that the use of the LED retrofit lights complies with applicable local Legal requirements. Uniform light distribution for enhanced visibility. Durable and long-lasting LED lighting. Led-t20-white w21/5w, 12v/24v, 6000K daylight effect turn and position lights. Signal your intent with brighter exterior lighting.
ManufacturerLumileds Germany GmbH
Height9.2 cm (3.62 Inches)
Length6.8 cm (2.68 Inches)
Width2.8 cm (1.1 Inches)
Part Number11066XUWX2


SUMOZO T20 7443 7440 LED W21/5W W21W WY21W LED Bulb Canbus Error Free 21SMD 3030 Chipsets 540 Lumens LED Light Auto for Turn Signal Light Brake Tail Backup Reverse Lights WhitePack of 2

SUMOZO - Multi-purpose: use for turn signal lights, daytime running, backup reverse, tail lights, corner lights and parking lights. Note:50w 6ohm load resistors might be needed to prevent the hyper flash when replacement for Turn Signal Lights.

Every led bulb has hd projector lens, which will keep the light more focused and smooth. 360° lighting angle without blind spot. About 4x brighter than the Halogen bulb. Low heat generation, energy-saving and much longer lifespan. No error code:can-bus friendly equipped with CANBUS system, without error message after installation. Fit for most cars especially for Eurpean advanced cars.

100% satisfaction guaranteeevery package is tested before deliver and SUMOZO offer 12 months warranty. International t20 socket:fits t20 w21w 7443 7440 7441 7444 992 wy21w etc. Easy to install, plug & play, please flip 180° if the bulb doesn't light up. Super bright: 2pcs t20 led bulb, each bulb has 21super bright 3030 chipsests around. Contact with us for any questions, we will reply within 12 hours.
Part NumberSX-7443-3030


KATUR 7443 T20 992 W21/5W LED Bulbs Super Bright 12pcs 3030 & 8pcs 3020 Chips Canbus Error Free Replace for Turn Signal Reverse Brake Tail Stop Parking RV Lights,Xenon WhitePack of 2

KATUR - Canbus ready for 99% vehicle systemsequipped with canbus system, error free replacement. Anti hyper flash and LED chips have stable luminescence. Built in stable Constant Current IC Driver for Longer lifespan. Easy installation, nearly 99% canbus error free.

Built in canbus, just plug & play. Cross referencereplace for:7443 t20 992 w21/5w 7444na 7440 7440na 7441. Application: turn signal lights, corner lights, Brake Lights, Back-up Reverse light, Side Marker Lights, Tail Lights, Blinker Lights etc. Ultra bright & longer lifespansunique 360 degree lighting design to enhance brightness, brings an astounding emitted light effect. Extremely bright 4000 lumens a set and is designed to last 60, 000 hours.

Low power consumption than halogen or other canbus signal bulbs. Amazon filter system may not be 100% accurate or up to date, if you are not sure which type fit your vehicle, please check your owner manual to confirm. 7443 w21/5w led bulbseach bulb has 12pcs 3030smd & 8pcs 3020smd led chips. Color:xenon white. Voltage:12V-24V. Rated power is about 24W. 4000 lumens output2000Lms per bulb.
Height1.83 cm (0.72 Inches)
Length5.49 cm (2.16 Inches)
Weight0.02 kg (0.04 Pounds)
Width1.57 cm (0.62 Inches)
Part Number2AMCL-1283-7443-White
Model7443 T20 992 W21/5W 7444NA

4. KaiDengZhe

KaiDengZhe White 7443 T20 992 W21/5W LED Bulbs Double Lens Brake Light 21SMD 2835 For Car Brake Lights Stop Lights Pack of 2

KaiDengZhe - Non-polarity design, low power consumption and long life spans save energy. Easy to installeasy to install, no need to change the original car routeIf you have any questions, please contact us, plug and play, we will do our best to solve it for you.

Materialaluminum shell + hd dual lens, shockproof, ultra-high brightness, long life, good light collection effect, waterproof, good heat dissipation, up to 50000 hours. Please confirm your original bulb is Standard Base before placing order. Extremely brightmade with 2835 21-smd high power LEDs, brighter than normal incandescent bulbs. Compatiblefit for:7443 t20 992 w21/5w etc. Applicationused for used for brake light, motorcycle, trailer, Shop Light and Interior RV Camper Bulbs on Cars, trailers, suv, Boat, RV, SUVs, van, Marine, Trucks etc on Car, Scooter, ect.
ManufacturerGuangzhou Ousucheng Lighting Technology Co., Ltd.
Part Number21SMD

5. Qasim

Qasim 2x T20 7443 W21-5W ECE LED Bulbs White 3030 21SMD for Car Turn Signal Backup Reverse Light Constant Nonpolarity DC9-28V

Qasim - Non-polarity design for easy plug and play installation. 5. Base type: standard 7443, color temperture: 6500k, voltage: dc 12v/ dc 24v, type and number of chips: 3030 21smd, color: White, Power: 12V*0.

43a, size: 55. 5* 17. 5* 17. 5mm, lumen: 720lM, Constant Nonpolarity. 2. Easy installation, Fast responsing. Each bulb contains 21-pieces extremely bright 3030 leD chips and is with projective condenser lens on the top. These 7443 led bulbs don't dim when headlights turned on. They are single filament bulbs. 4. 1. Application: backup reverse light, Tail light, side marker light, corner light, turn signal light, brake light, parking light etc.

Unique 360 degree lighting design to enhance brightness. 3. When you have questions, light angle and highlight, please contact us, Low power consumption, our best service is always for you. Package included: 2x 7443 LED bulbs for turn signal light whtie. Cross reference: t20, 5w, w3x16q, w21-5w, 21w, ece.
Height1.75 cm (0.69 Inches)
Length5.55 cm (2.19 Inches)
Width1.75 cm (0.69 Inches)
Part Number2xQA-TL0210-7443-W


Pack of 2, Standard Retrofit T20 DC Red, Osram 7715R-02B LED W21/5W 12 V Bulbs

OSRAM - Non-selective illumination thanks to homogeneous light distribution. Led retrofit lamps for various vehicle exterior applications. Maintenance-free thanks to long lifetime. Areas of application: Exterior LED car lighting. Product features: Compatible with conventional W21/5W lamp base. Easy plug and play retrofitting. Modern and intense light with up to 6, 000 k. Shockproof and vibration-proof. 3 different light colours for various applications. Length : 47. 5 mm, diameter : 200 mm. Up to 80% less energy consumption compared to standard lamps.
Part Number7715R-02B


NATGIC 7443 7444NA 7440 7440NA LED Bulbs Red 1800LM 3014SMD 78-EX Chipsets with Lens Projector for Tail Stop Light Backup Reverse Lights,12-24V2-Pack

NATGIC - 78 - smd 3014 chipset, full aluminum housing with glass lens projector for maximum light output, aircraft grade aluminum heat-sink with low temperature, Super Bright: High Brightness 54SMD 3014 Chipset.300% brighter than original halogen bulb, built-in constant current IC for longer lifetime & low power consumption.

7443 led bulbs application: common use for brake lights, side marker light, turn Signal Light, Tail Light, Motorcycle, Marine, scooter, drl and parking light on car, Boat, Truck, SUV, Reverse Light, RV, Back Up Light, stop light, Trailer, etc. Load resistor or flash relay might be needed to prevent the hyper flash when replacement for Turn Signal Lights. Natgic warranty & service: natgic product are strictly tested for sale!!! we offer"two year"warranty on items damaged during delivery or have a confirmed manufacturer defect.

If hava any question or you want to write a review, please feel free to cantact us. Size: 1. 9" x 09" x 08". Output wattage: 4W/bulb Low Power Consumption. Standard signal-contact 7443 led bulbs: 7440a 7440na 7440 7440sv 7443na 7441 7443 7443r wy21w W21/5W W21W etc. Amazon filter system may not be 100% accurate or up to date, if you are not sure which bulb model fit your vehicle, please contact with us.
Height5 cm (1.97 Inches)
Length10 cm (3.94 Inches)
Weight0.04 kg (0.09 Pounds)
Width2 cm (0.79 Inches)
Part Number2NG374-7443-R
Model7443 LED Bulbs Red
Warranty2 Year Warranty

8. D-Lumina

2 x Red 580 W21/5W Canbus 7* SMD 3030 Stop/Tail light LED Bulbs

D-Lumina - Very strong canbus function 7 x 3030 smD – Extremely Bright Twin pack 2 bulbs Red Led bulbs. 217 lumen per chip 1525lm application - stop light / Tail light / Rear lights - Pack Qty - 2 LED pair. 2 x red 580 w21/5w 7443 7* 3030 smd canbus LED Bulbs. Built-in power supply Constant current drive Temperature control protection. Durable and non-fading brilliant beams Lifetime - 50000+ Hours - 1 Year Warranty.
Part Number7443-7-RED
Warranty1 Year Manufacturing Warranty

9. GLL

GLL 2pcs 7443 LED Bulbs White T20 W21/5W LED Bulbs with 3030-24SMD Used for Car Brake Light Tail Light Reverse Light Rear Fog Light 840LM 6500K DC 9-30V

GLL - Please note this bulb is not canbus, so you may need to use 50W 6-Ohm load resistor or decoder set to avoid hyper flash or bulb malfunction. Plug & play installation, no professional tool needed.

Please note they are not can-bus so some cars may have error message on the dashboard and need to install a load resistor to remove the error message. Buy with confidence, we provide 2 years support for our product. Working voltage: DC 9-30V. Build in smart constant ic driver, can protect the bulbs from excessive Current, prolong the lifespan up to 30000 hours. Pack of 2 t20 7443 led bulbs, each bulb has 24 pieces 3030 smD chip, can produce up to 840 lumens. Please feel free to contact us if you have any problem. 7443 w21/5w led bulbs are compatible with 7440, w21w, 7444na, 7440a, 7441, wy21w, 7443, 7443ll, 7443r, 7444, t20, 7440na, 7440al, 7443ST, 992, W21/5W etc.
Height1.55 cm (0.61 Inches)
Length4.95 cm (1.95 Inches)
Width1.8 cm (0.71 Inches)
Part NumberTL-3030-24SMD-A

10. RZG

2x Amber 582 W21W WY21W 580 W21/5W Bulb LED Sidelight Side Indicator Turn Signal Tail Stop Daytime Light DRL

RZG - It works at ~12V. Emit amber yellow-orange colour temp. It is designed mainly for sidelight, tail Stop Light, Side Indicator Turn Signal Light, Driving Daytime Running Light DRL. Light; long lasting life. 2 pieces a pair of 15x led 582 w21w 580 W21/5W Light Lamp Bulb. Each 582 w21w wy21w 7440, 580 w21/5w 7443 led light bulb equips 15x LED chips; ~4W, ~450 lumens.
Part Number582 W21W WY21W 7440 992 580 W21/5W 7443