4" Round LED Turn Signal Lights
4" round LED lights are commonly used as front/turn/clearance lights or stop/turn/tail lights. They can be mounted in either a rubber grommet or a metal safety flange. Most every truck on the road has a ton of these, on their mudflap hangers, rear center panel, bumper, or even on their trailer.
All lights in our stock are made to function with 12-volt systems. However, we also carry many multi-voltage and 12/24-volt styles. See our 24-volt LED lights page for more information.
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Sale
4" round Black rubber light mounting grommet
$1.49| /This open-backed grommet is compatible with any of our 4" round LED or incandescent lights. For more expensive styles, you may want to use a stainl...
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Dual Revolution Red/White 4" round 19 diode LED stop/turn/tail and backup light - CLEAR lens
$37.95| /This light is a stop/turn/tail and a backup light, all in one housing! Using the standard three-prong offset plug, it will light up red and functio...
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Sale
"Fleet" Red 4" round 18 diode LED stop/turn/tail light - CLEAR lens
$9.99| /As the name implies, these Fleet lights are economically priced, but high-quality - perfect for outfitting a large number of trucks without bankrup...
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"Fleet" Red 4" round 18 diode LED stop/turn/tail light
$9.99| /As the name implies, these Fleet lights are economically priced, but high-quality - perfect for outfitting a large number of trucks without bankrup...
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4" round "Stealth" chrome plastic screwless grommet cover - no visor
$3.99| /Never waste time installing grommet covers ever again! This bezel twists on over your grommets without screws for a snug fit and smooth look. No ex...
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4" round chrome plastic light bezel grommet cover
$2.99| /Includes mounting screws. Screws to the rubber grommet.
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4" round chrome plastic light bezel with visor
$2.99| /Fits all 4" round rubber light grommets. Includes screws for installation. Imported.
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Pearl 4" LED sleeper load light w/1156 plug - Red
$24.99| /This replacement load light is a great way to update the back of your sleeper. You'll increase your visibility, too. Most stock utility lights in t...
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Red 4" round 19 diode LED stop/turn/tail light - CLEAR lens
$21.99| /This light is RED, only. It is not part of the Dual Revolution series, although the similar looks make it a good pairing for those lights.
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4" round "Stealth" chrome plastic screwless grommet cover with visor
$4.49| /It's a grommet cover revolution. This bezel instantly twists on over your grommets without screws for a snug fit and smooth look. The tabs on the b...
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Sale
American Superlite red 4" round LED stop/turn/tail light - CLEAR lens
$37.99| /This light requires the use of either a rubber grommet or mounting flange. This light is hard-wired with one three-prong female plug, connected to ...
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Sale
Pearl 4" LED sleeper load light w/1156 plug - Red - CLEAR lens
$24.99| /This replacement load light is a great way to update the back of your sleeper. You'll increase your visibility, too. Most stock utility lights in t...
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Sale
Red 4" round 19 diode LED stop/turn/tail light
$11.99| /These turn signals are a customer favorite. We've sold them two at a time, and we've sold them twenty at a time! They have the most diodes of any 4...
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"Fleet" Amber 4" round 18 diode LED turn signal light - CLEAR lens
$12.99| /As the name implies, these Fleet lights are economically priced, but high-quality - perfect for outfitting a large number of trucks without bankrup...
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Pearl red 4" round 24 diode LED stop/turn/tail light - CLEAR lens
$15.95| /Many truckers are converting their trucks to an all-LED setup. One advantage LEDs have over incandescent lights is that they present an opportunity...
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"Halo" Red 4" round LED stop/turn/tail light
$18.99| /What looks like a normal, grommet-mount tail light is anything but! The glowing outer "Halo" acts as a soft but fully-functional marker light, then...
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Maxxima 4" round stainless steel light security flange
$5.99| /This heavy-duty light mounting flange works best with Maxxima brand lights. It may fit other brands, but some will be too large or too small to fit...
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Maxxima 4" round stainless steel light security flange w/chrome finish
$6.99| /Fits Maxxima 4" round LED lights. This style has a chrome finish, making it shinier than our SKU #12651, shown as a related item. Why use a flange ...
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4" round chrome plastic flange for American Superlite LED lights
$5.95| /These chrome plastic mounting flanges are made specifically for American Superlite LED lights. The unique "flower" style matches your Superlite tur...
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"Fleet" Amber 4" round 18 diode LED turn signal light
$12.99| /As the name implies, these Fleet lights are economically priced, but high-quality - perfect for outfitting a large number of trucks without bankrup...
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Sale
"Competition Series" Red 4" round 7 diode LED stop/turn/tail light
$7.99| /The Competition Series is a line of products intended to look good enough for the truck show, but also hold up out on the road. These stop/turn/tai...
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4" round chrome plastic light holding rim/mounting flange
$4.99| /May not be compatible with all light brands.
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Sale
Pearl 4" LED sleeper load light w/1156 plug - Blue
$29.99| /This replacement load light is a great way to update the back of your sleeper. You'll increase your visibility, too. Most stock utility lights in t...
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Dual Revolution Red/Purple 4" round 19 diode LED stop/turn/tail and auxiliary light - CLEAR lens
$44.95| /This light is a stop/turn/tail and an auxiliary light, all in one housing! Using the standard three-prong offset plug, it will light up red and fun...
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Sale
Flatline red 4" round flange mount 49 diode LED turn signal - CLEAR lens
$43.99| /This version of our 4 inch Flatline turn signal is perfect for sleeper load lights, but you can use it anywhere you'd like a 4 inch light.The built...
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Sale
Maxxima "Hybrid" Red/White 4" round 21 diode LED combo back up and stop/turn/tail light
$37.95| /PLEASE NOTE: Maxxima has redesigned this light. If you are attempting to match an existing version on this light, our new stock is likely to be the...
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American Superlite red 4" round 15 diode LED stop/turn/tail light
$37.99| /Features: Reflector lens enables a 180-degree viewing angle. Fits any standard 4" rubber grommet or mounting flange. Hard-wired with one three-pro...
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"Fleet" Red 4" round 18 diode LED stop/turn/tail light w/GROTE PLUG
$19.99| /This version of the "Fleet" LED turn signal has a built-in Grote 3-pin plug in the back. This is the round plug with evenly spaced pins, not the mo...
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Pearl 4" LED sleeper load light w/1156 plug - Green
$29.99| /This replacement load light is a great way to update the back of your sleeper. You'll increase your visibility, too. Most stock utility lights in t...
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Sale
Red Ultra-Thin 4" round 7 diode LED stop/turn/tail flange mount light
$18.99| /This light has a built-in, one-piece flange. The extremely low profile (just a hair less than 3/4" deep!) make it a great option for sleepers or mu...
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Red 4" round 8 diode LED stop/turn/tail light
$10.95| /Looking for a simple, uncomplicated tail light? This style is a great option for drivers who like a classic look, rather than one of our more moder...
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Sale
4" round stainless steel mounting flange for Pearl lights
$7.99| /Does NOT includes mounting hardware. Fits Grand General's Pearl LED lights. Does NOT fit "Fleet" lights!!! May not fit other brands.
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Piranha Red 4" round 36 diode LED stop/turn/tail light
$29.99| /This brake light features a high diode count, unfettered by extra reflectors or overly-textured lenses. It's all about pure, bright, LED light for ...
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Pearl red 4" round 24 diode LED stop/turn/tail light
$15.95| /Many truckers are converting their trucks to an all-LED setup. One advantage LEDs have over incandescent lights is that they present an opportunity...
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Sale
American Superlite White Dragon 4" round white LED back-up light
$79.00| /These backup lights are, without a doubt, the brightest you'll ever find. The extra-large diodes are magnified by a special lens, creating a blast ...
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American Superlite amber 4" round LED turn signal light - CLEAR lens
$37.99| /American Superlite is one of the trucking accessory brands that's renowned worldwide, and not for no reason. These lights have a long-standing repu...
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Red 10 diode 4" round LED stop/turn/tail light w/chrome lens
$16.99| /This chrome-plated light is a much more durable option than our mirrored grommet cover. You won't have to worry about broken glass with these!Featu...
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"Halo" Red 4" round LED stop/turn/tail light - CLEAR lens
$18.99| /What looks like a normal, grommet-mount tail light is anything but! The glowing outer "Halo" acts as a soft but fully-functional marker light, then...
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Sale
"Halo" White 4" round 21 diode LED backup/reverse light
$28.99| /This light functions as a backup light, ONLY. Sold SINGLE. Part of United Pacific's "Glo" series of LED lights.
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White Ultra-Thin 4" round 10 diode LED flange mount backup/reverse light
$27.95| /This light has a built-in, one-piece flange. The extremely low profile (just a hair less than 3/4" deep!) make it a great option for replacing util...
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Flatline amber 4" round 49 diode LED turn signal - CLEAR lens
$37.99| /The chrome faces of our Flatline series lights give them an distinctly futuristic feel. They're built for trucks, but they wouldn't be out of place...
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Pearl amber 4" round 24 diode LED turn signal light - CLEAR lens
$18.99| /Many truckers are converting their trucks to an all-LED setup. One advantage LEDs have over incandescent lights is that they present an opportunity...
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Sale
Red 4" round 8 diode LED stop/turn/tail light - CLEAR lens
$10.95| /Here's a practical, super-effective light that's just as at home on a show truck as it is on every truck in the fleet. Mounts into a standard 4" ru...
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Dual Revolution Red/Green 4" round 19 diode LED turn signal w/flange
$58.95| /This light is a stop/turn/tail and an auxiliary light, all in one housing! Using the standard three-prong offset plug, it will light up red and fun...
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Sale
"Mirage" Red 4" round 24 diode LED stop/turn/tail light
$16.95| /The unique "Mirage" series turn signals feature a ring of LED light around the outer edge, with a center "tunnel" visual effect that makes the ligh...
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Dual Revolution Red/Purple 4" round 19 diode LED turn signal w/flange
$58.95| /This is a fantastic light for multiple applications - rear utility lights in the sleeper, mudflap hanger lights, and more. It is hard wired with fo...
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Sale
Dual Revolution Red/Blue 4" round 19 diode LED stop/turn/tail and auxiliary light - CLEAR lens
$44.95| /This light is a stop/turn/tail and an auxiliary light, all in one housing! Using the standard three-prong offset plug, it will light up red and fun...
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