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SEALIGHT® SLJ3 7443/7440/T20/W21W LED Backup Reverse Brake Tail Light Turn Signal Light Bulbs 30W 3200LM 6500K White 2PCS
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SEALIGHT® SLJ3 7443/7440/T20/W21W LED Backup Reverse Brake Tail Light Turn Signal Light Bulbs 30W 3200LM 6500K White 2PCS
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Product Specifications
| Brand | SEALIGHT |
|---|---|
| Item model number | 7443/7440 White |
| Light Source Type | LED |
| Application | Backup Reverse Light/Brake Light/Tail Light/DRL |
| Chips Quantity/Bulb | 36PCS 3030 SMD Chips |
| Color | White |
| Color Temperature | 6500K |
| Lumens | 3200LM |
| Wattage | 30W/Pair |
| Voltage | 12V |
| Waterproof Grade | IP68 Waterproof and Dustproof |
| Lifespan | 50000 Hours |
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Free Shipping on All U.S. OrdersFree shipping on all orders to the contiguous U.S. Most orders ship within 1–2 business days and arrive in 2–5 business days.
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90-Day Free ReturnsNot satisfied? Return your unused, uninstalled item within 90 days for a full refund. Quality issues? We cover the return shipping.
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1-Year WarrantySEALIGHT products are covered by a 1-year warranty from the date of purchase. If you experience a quality-related issue, contact us and we'll make it right.
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Vehicle-Specific Fit, GuaranteedAll parts are guaranteed to fit your vehicle. Wrong part? Contact us — we'll verify your fitment and find the right solution.
Highlights
- 6500K White Output: SEALIGHT SLJ3 7443/7440 LED backup/reverse, brake, and tail light bulbs deliver 3,200LM and 30W per pair. Cool white light helps make the area behind your vehicle easier to see.
- Multi-Position Fit: These 7443/7440 bulbs also fit 7442, 7444, W21W, and T20 applications. Use them for backup/reverse, brake, tail, DRL, turn signal, or side marker lights when fitment and lens color match.
- Standard and CK Sockets: The non-polarity design supports standard and CK-style sockets for a straightforward plug-and-play upgrade without socket modifications.
- Hyperflash Control: The J3 intelligent driver and built-in resistor help address hyperflash and flicker, reducing the need for extra load resistors in many vehicles.
- 15,000-RPM Fan Cooling: The 6063 aviation-aluminum housing, hollow base, and temperature control system help manage heat. IP68 protection and a 50,000-hour lifespan support long-term use.
This Part Fits These Vehicles
Product Description
SEALIGHT SLJ3 Series White 7443 7440 LED Reverse Backup Light
Be Seen Clearly. Signal with Confidence.
Why LED Reverse Backup Lights Matter?
Reverse lights play a crucial role in vehicle safety. Brighter LED backup lights provide clearer visibility when reversing at night or in low-light conditions, helping you
spot obstacles faster and making your vehicle more noticeable to others
. Better visibility means safer, more confident backing every time.
LED vs Halogen: The Difference You Can See Instantly
Why Choose Sealight SLJ3 Series LED Bulbs?
Anti Hyper Flash
The Sealight J3 Pro Max series is equipped with the latest J3 intelligent driver and built-in resistor, which can solve the super flash problem of 99% of vehicles. No need to purchase extra load resistors and crack circuits. Our engineers spent two years developing flagship signal lights based on customer feedback.
The Sealight J3 Pro Max series is equipped with the latest J3 intelligent driver and built-in resistor, which can solve the super flash problem of 99% of vehicles. No need to purchase extra load resistors and crack circuits. Our engineers spent two years developing flagship signal lights based on customer feedback.
Engineered Through Three Generations of Innovation
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The Sealight J3 represents the pinnacle of three generations of innovation. From GEN.1 to GEN.3, each upgrade brings brighter illumination and more advanced SMD chip technology. The latest J3 features 36 cutting-edge SMD chips, delivering up to 1500% brightness, ensuring exceptional visibility and safety in any driving condition. This is not just a performance upgrade—it’s Sealight’s commitment to innovation, quality, and ultimate driving confidence.
Built for All Weather. Reliable in Any Condition.
The J3 Pro Max series products are made of 6063 aviation grade aluminum as a whole. The base adopts a hollow design and is equipped with a 15000 rpm turbine fan on the top, with an intelligent temperature control system. The multi-layer temperature treatment design keeps the light bulb at a reasonable temperature and extends its lifespan. Powered by intelligent J3 drivers and precision engineering, this latest generation is built to perform reliably in demanding conditions, mile after mile.
The J3 Pro Max series products are made of 6063 aviation grade aluminum as a whole. The base adopts a hollow design and is equipped with a 15000 rpm turbine fan on the top, with an intelligent temperature control system. The multi-layer temperature treatment design keeps the light bulb at a reasonable temperature and extends its lifespan. Powered by intelligent J3 drivers and precision engineering, this latest generation is built to perform reliably in demanding conditions, mile after mile.
Installation Instruction
Compatible with 992, 7440, 7441, 7443, 7442, 7444, W21W, WY21W, 7440NA, 7440NAK, 7444NA,7444NAK, 7443LL, T20.etc. Please verify your vehicle's bulb size before purchase. Installation Position: backup reverse lights, tail lights, daytime running lights, brake lights, turn signal lights, side marker lights rear lights, etc.
If you have any questions about installation or fitment, feel free to reach out to our customer support team — we’re always happy to help.
Compatible with 992, 7440, 7441, 7443, 7442, 7444, W21W, WY21W, 7440NA, 7440NAK, 7444NA,7444NAK, 7443LL, T20.etc. Please verify your vehicle's bulb size before purchase. Installation Position: backup reverse lights, tail lights, daytime running lights, brake lights, turn signal lights, side marker lights rear lights, etc.
If you have any questions about installation or fitment, feel free to reach out to our customer support team — we’re always happy to help.
Pay Once, Save for Years. Stop the Replacement Cycle.
Why keep replacing halogen bulbs? The math is simple. Standard halogens offer a short lifespan, leading to frequent replacements over time. Sealight SLJ3 LED bulbs are built to last significantly longer, helping reduce replacement costs year after year. Upgrade once and enjoy reliable lighting for the long run.
Confidence Backed by Real Drivers
Thousands of drivers choose Sealight not just for brighter lighting, but for the confidence that comes with reliable service and real-world results. From hassle-free returns and fast local shipping to genuine feedback from drivers who’ve seen the difference on the road, this is trust built through experience — and shared with friends and family.
FAQs
Q1. Where does a white 7443 belong?
A1. Clear-lens reverse or DRL positions; behind a red stop lens the white light turns pink and loses contrast with the brake lamp behind it.
Q2. Will it work on a CK-wired socket?
A2. Yes. The driver is non-polarity, so a CK or standard socket lights the same, and the white level stays steady whichever way the contacts are wired.
Q3. Will the reverse lamp check flag the 30W pair?
A3. Usually not, since the driver holds a steady load at 30W per pair. If the dash shows a message, support ships a free decoder for that circuit.
Q4. Is 1,600LM per bulb enough?
A4. It is around double the halogen reverse bulb, so the ground behind the truck is well lit; the camera exposure decides how bright the image looks.
Q5. Does the reverse circuit need extra hardware?
A5. Not normally: at 30W per pair the load sits above what the reverse circuit expects, so the lamp check stays quiet and the driver does the work.
Reviews
SEALIGHT® SLJ3 7443/7440/T20/W21W LED Backup Reverse Brake Tail Light Turn Signal Light Bulbs 30W 3200LM 6500K White 2PCS
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SEALIGHT® SLJ3 7443/7440/T20/W21W LED Backup Reverse Brake Tail Light Turn Signal Light Bulbs 30W 3200LM 6500K White 2PCS
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