SKU: 6647720272

4257: GTR LIGHTING ULTRA SERIES LED REVERSE BULBS

Sale price$101.66 Regular price$112.95
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Description

4257: GTR LIGHTING ULTRA SERIES LED REVERSE BULBSCROSS COMPATIBILITY:4257, 4257NA, 1359, 7444NA, 1546, WTY21W, 0857, 1909, A7 PRODUCT DETAILS GTR ULTRA:The original bad boy of backup LED bulbs is better and brighter than ever. With more light output. More reliability. More modern construction. A longer lifespan, all wrapped into the same universal package that made the original so popular: The new Ultra Reverse bulbs are the best way to back up with the visibility and safety that GTR Lighting

CROSS COMPATIBILITY:�4257, 4257NA, 1359, 7444NA, 1546, WTY21W, 0857, 1909, A7

PRODUCT DETAILS

GTR ULTRA:The original bad boy of backup LED bulbs is better and brighter than ever. With more light output. More reliability. More modern construction. A longer lifespan, all wrapped into the same universal package that made the original so popular: The new Ultra Reverse bulbs are the best way to back up with the visibility and safety that GTR Lighting customers demand.

NEW WITH GEN TWO:As if the output from the first gen wasn't enough, GTR has upped the ante with the new Ultra version. Whereas the original version produced 1000 lumens each, the new Ultra bulb produces 1200 effective lumens, which is far more than what a typical incandescent bulb produces in the same application. The original used nine LED chips per bulb. Gen Two? Fifteen.

CONTROL:But power is nothing without control! These bulbs illuminate from all four sides, and have a projector lens on the top edge, which makes them superior to alternatives because of the variety of ways in which bulbs can sit within their reflector housings. No matter if the bulb comes in from the side, or from the back of the housing, this design ensures that the output will be maximized through a combination of reflected light (from your housing) and projected light (from the bulb itself)

RELIABILITY:Whereas the old model actually had to be over-driven to squeeze more than the available amount of light output out of it's LEDs: The new version doesn't come close to it's peak. Not only that, but the thermal capabilities of the heat-sink on the base of the bulb have been vastly improved, ensuring that these bulbs run cooler, last longer, and work more reliably throughout the course of their life.

UNDER-RATED:When we think about lighting upgrades to enhance the safety of our cars & trucks at night, we always think about forward facing lights. Don't underestimate the luxury of improved rear-ward visibility though. This is overlooked far too often, but once you get used to having a set of these in your backup lights, you'll literally see what you've been missing all along.

EASY INSTALL:Just remove your original backup light bulb socket from tail light. Remove old incandescent light bulb. Plug in new High Output LED reverse light bulb wiring into old bulb socket. Gently insert gray rubber grommet of new LED bulb into opening in tail light housing for reverse light. Push/twist new bulb gently until fully seated in tail light housing. Test function before re-assembly. Their universal design and fool-proof install make these one of the easiest upgrades possible.

WE'RE ON A MISSION:We know you don't compromise on your vehicle and your lights shouldn't be an exception. Our mission is to develop and supply the world with automotive lighting products using advanced technology that is truly an upgrade. Improving the style, performance, and night time driving experience for our customers are all priorities here at GTR Lighting.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 6647720272

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Love these socks so much, been buying them for about 4 years now!! Not giving them 5 stars anymore because the quality is different and not as good, durable and thick as before.
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Reviewed in the United States on July 10, 2025
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Reviewed in the United States on November 30, 2025
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Great quality and fast shipping
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Lyssetic
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Size: Medium, Color: Black/Assorted, Size: Medium, Color: Black/Assorted
I absolutely love these socks, they compress in the middle which is my favorite thing about them! Keeps them from slipping off my feet and also adds support, love love love how they feel and how long they last! This is my second pack that I’ve purchased, I had the multi colored ones before and they’ve lasted me two years before finally starting to wear out and fade and get holes. Definitely going to be routinely buying these every year. Good to wear with my work out shoes...winter boots, Nike sandals, and my everyday adidas sneakers. These are so worth it!
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