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Switching from incandescent bulbs to LEDs makes a huge difference in brightness and reliability. This 5-3/4" round amber tail light uses 10 white LEDs behind an amber lens to provide clear, high-visibility parking and turn signals. At 12.8V, it draws just 0.413 amps for the turn signal and 0.026 amps for the parking light, so it stays bright while using very little power. It’s more efficient and durable than old-style bulbs, with LEDs that carry a lifetime warranty.
If your trailer sees rain or water spray, this light is ready for it. The housing and lens are sealed together to create a waterproof unit that can handle wet or submerged conditions, making it a great fit for boat trailers and other moisture-prone setups. With no gaps for water to sneak in, you avoid corrosion and keep your lights working season after season.
Installing this light is simple thanks to the flange that’s built right into the housing. You can screw through the flange surface to secure it firmly in place—no need for extra brackets or complicated hardware. The light works with standard 3-prong PL-3 connectors (A45PB or A47PB, sold separately), so wiring is straightforward whether you prefer a straight or right-angle pigtail design.
A built-in reflector around the flange adds another layer of visibility, helping other drivers see you even when the light isn’t on. That extra reflected light boost makes it easier to spot your trailer from multiple angles, especially at night or in low-light conditions. Plus, this LED light meets DOT and FMVSS 108 standards for legal, reliable performance on the road.
The polycarbonate housing and lens give this light solid protection against impacts and road debris. It’s built for regular use without fading or cracking, keeping your lighting setup looking clean and working reliably over time. At 5-3/4" diameter by 1-5/8" thick, it’s compact but tough enough for everyday hauling conditions.
Customer Satisfaction Score:
96% were satisfied with this product
4% of customers were not satisfied
Ratings & Reviews
Paul
3/5/2015
The LED lights STL43ABX you bought for your MCI bus are 12 volt. How did you connect them to your 24 volt MCI system?
Patrick B.
3/9/2015
Steve M.
5/9/2018
This product is still going strong and was a Great purchase. Would buy again for sure. Thanks etrailer.
Heather A.
12/20/2017
Natthan,Thank you for your review. You will need an industry standard 3 prong pigtail to wire this light. Part STL43ABX will work for you.
Helpful Links
Debbie
8/28/2023
Its a great product, replaced the existing light with no issues, and the lights are still bright and working fine!
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Paul
1/20/2026
The Lights I Got Are Working As Designed. No Problems.