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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.

  • 4" round Black rubber light mounting grommet

    Original price $1.49 - Original price $1.49
    Original price
    $1.49
    $1.49 - $1.49
    Current price $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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    Original price $1.49 - Original price $1.49
    Original price
    $1.49
    $1.49 - $1.49
    Current price $1.49
  • Dual Revolution Red/White 4" round 19 diode LED stop/turn/tail and backup light - CLEAR lens

    Original price $44.99 - Original price $44.99
    Original price
    $44.99
    $44.99 - $44.99
    Current price $44.99

    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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    Original price $44.99 - Original price $44.99
    Original price
    $44.99
    $44.99 - $44.99
    Current price $44.99
  • "Fleet" Red 4" round 18 diode LED stop/turn/tail light - CLEAR lens

    Original price $12.99 - Original price $12.99
    Original price
    $12.99
    $12.99 - $12.99
    Current price $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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    Original price $12.99 - Original price $12.99
    Original price
    $12.99
    $12.99 - $12.99
    Current price $12.99
  • "Fleet" Red 4" round 18 diode LED stop/turn/tail light

    Original price $12.99 - Original price $12.99
    Original price
    $12.99
    $12.99 - $12.99
    Current price $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...

    View full details
    Original price $12.99 - Original price $12.99
    Original price
    $12.99
    $12.99 - $12.99
    Current price $12.99
  • 4" round "Stealth" chrome plastic screwless grommet cover - no visor

    Original price $4.49 - Original price $4.49
    Original price
    $4.49
    $4.49 - $4.49
    Current price $4.49

    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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    Original price $4.49 - Original price $4.49
    Original price
    $4.49
    $4.49 - $4.49
    Current price $4.49
  • 4" round chrome plastic light bezel grommet cover

    Original price $3.99 - Original price $3.99
    Original price
    $3.99
    $3.99 - $3.99
    Current price $3.99

    Includes mounting screws. Screws to the rubber grommet.

    Original price $3.99 - Original price $3.99
    Original price
    $3.99
    $3.99 - $3.99
    Current price $3.99
  • 4" round chrome plastic light bezel with visor

    Original price $3.49 - Original price $3.49
    Original price
    $3.49
    $3.49 - $3.49
    Current price $3.49

    Fits all 4" round rubber light grommets. Includes screws for installation. Imported.

    Original price $3.49 - Original price $3.49
    Original price
    $3.49
    $3.49 - $3.49
    Current price $3.49
  • Pearl 4" LED sleeper load light w/1156 plug - Red

    Original price $26.99 - Original price $26.99
    Original price
    $26.99
    $26.99 - $26.99
    Current price $26.99

    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...

    View full details
    Original price $26.99 - Original price $26.99
    Original price
    $26.99
    $26.99 - $26.99
    Current price $26.99
  • Pearl red 4" round 24 diode LED stop/turn/tail light - CLEAR lens

    Original price $18.99 - Original price $18.99
    Original price
    $18.99
    $18.99 - $18.99
    Current price $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...

    View full details
    Original price $18.99 - Original price $18.99
    Original price
    $18.99
    $18.99 - $18.99
    Current price $18.99
  • Red 4" round 19 diode LED stop/turn/tail light - CLEAR lens

    Original price $27.99 - Original price $27.99
    Original price
    $27.99
    $27.99 - $27.99
    Current price $27.99

    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.

    Original price $27.99 - Original price $27.99
    Original price
    $27.99
    $27.99 - $27.99
    Current price $27.99
  • 4" round "Stealth" chrome plastic screwless grommet cover with visor

    Original price $4.99 - Original price $4.99
    Original price
    $4.99
    $4.99 - $4.99
    Current price $4.99

    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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    Original price $4.99 - Original price $4.99
    Original price
    $4.99
    $4.99 - $4.99
    Current price $4.99
  • Red 4" round 19 diode LED stop/turn/tail light

    Original price $14.99 - Original price $14.99
    Original price
    $14.99
    $14.99 - $14.99
    Current price $14.99

    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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    Original price $14.99 - Original price $14.99
    Original price
    $14.99
    $14.99 - $14.99
    Current price $14.99
  • American Superlite red 4" round LED stop/turn/tail light - CLEAR lens

    Original price $37.99 - Original price $37.99
    Original price
    $37.99
    $37.99 - $37.99
    Current price $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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    Original price $37.99 - Original price $37.99
    Original price
    $37.99
    $37.99 - $37.99
    Current price $37.99
  • "Fleet" Amber 4" round 18 diode LED turn signal light - CLEAR lens

    Original price $14.99 - Original price $14.99
    Original price
    $14.99
    $14.99 - $14.99
    Current price $14.99

    As the name implies, these Fleet lights are economically priced, but high-quality - perfect for outfitting a large number of trucks without bankrup...

    View full details
    Original price $14.99 - Original price $14.99
    Original price
    $14.99
    $14.99 - $14.99
    Current price $14.99
  • Pearl 4" LED sleeper load light w/1156 plug - Red - CLEAR lens

    Original price $26.99 - Original price $26.99
    Original price
    $26.99
    $26.99 - $26.99
    Current price $26.99

    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...

    View full details
    Original price $26.99 - Original price $26.99
    Original price
    $26.99
    $26.99 - $26.99
    Current price $26.99
    Sold out
  • Maxxima 4" round stainless steel light security flange

    Original price $6.99 - Original price $6.99
    Original price
    $6.99
    $6.99 - $6.99
    Current price $6.99

    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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    Original price $6.99 - Original price $6.99
    Original price
    $6.99
    $6.99 - $6.99
    Current price $6.99
  • 4" round chrome plastic flange for American Superlite LED lights

    Original price $8.95 - Original price $8.95
    Original price
    $8.95
    $8.95 - $8.95
    Current price $8.95

    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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    Original price $8.95 - Original price $8.95
    Original price
    $8.95
    $8.95 - $8.95
    Current price $8.95
  • Maxxima 4" round stainless steel light security flange w/chrome finish

    Original price $7.99 - Original price $7.99
    Original price
    $7.99
    $7.99 - $7.99
    Current price $7.99

    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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    Original price $7.99 - Original price $7.99
    Original price
    $7.99
    $7.99 - $7.99
    Current price $7.99
  • "Halo" Red 4" round LED stop/turn/tail light

    Original price $21.99 - Original price $21.99
    Original price
    $21.99
    $21.99 - $21.99
    Current price $21.99

    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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    Original price $21.99 - Original price $21.99
    Original price
    $21.99
    $21.99 - $21.99
    Current price $21.99
  • "Fleet" Amber 4" round 18 diode LED turn signal light

    Original price $14.99 - Original price $14.99
    Original price
    $14.99
    $14.99 - $14.99
    Current price $14.99

    As the name implies, these Fleet lights are economically priced, but high-quality - perfect for outfitting a large number of trucks without bankrup...

    View full details
    Original price $14.99 - Original price $14.99
    Original price
    $14.99
    $14.99 - $14.99
    Current price $14.99
  • 4" round stainless steel mounting flange for Pearl lights

    Original price $10.49 - Original price $10.49
    Original price
    $10.49
    $10.49 - $10.49
    Current price $10.49

    Does NOT includes mounting hardware. Fits Grand General's Pearl LED lights. Does NOT fit "Fleet" lights!!! May not fit other brands.

    Original price $10.49 - Original price $10.49
    Original price
    $10.49
    $10.49 - $10.49
    Current price $10.49
  • Pearl 4" LED sleeper load light w/1156 plug - Blue

    Original price $34.99 - Original price $34.99
    Original price
    $34.99
    $34.99 - $34.99
    Current price $34.99

    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...

    View full details
    Original price $34.99 - Original price $34.99
    Original price
    $34.99
    $34.99 - $34.99
    Current price $34.99
  • Dual Revolution Red/Purple 4" round 19 diode LED stop/turn/tail and auxiliary light - CLEAR lens

    Original price $53.99 - Original price $53.99
    Original price
    $53.99
    $53.99 - $53.99
    Current price $53.99

    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...

    View full details
    Original price $53.99 - Original price $53.99
    Original price
    $53.99
    $53.99 - $53.99
    Current price $53.99
  • 4" round chrome plastic light bezel w/shine-through mirror coating

    Original price $6.99 - Original price $7.99
    Original price
    $6.99 - $7.99
    $6.99 - $7.99
    Current price $6.99

    Original price $6.99 - Original price $7.99
    Original price
    $6.99 - $7.99
    $6.99 - $7.99
    Current price $6.99
  • American Superlite red 4" round 15 diode LED stop/turn/tail light

    Original price $37.99 - Original price $37.99
    Original price
    $37.99
    $37.99 - $37.99
    Current price $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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    Original price $37.99 - Original price $37.99
    Original price
    $37.99
    $37.99 - $37.99
    Current price $37.99
  • 4" round stainless steel mounting flange for Dual Revolution lights

    Original price $7.49 - Original price $7.49
    Original price
    $7.49
    $7.49 - $7.49
    Current price $7.49

    Sold SINGLE. Compatible with 4" grommet mount Dual Revolution LED lights, and we have had luck using them for Pearl and Fleet lights as well. No mo...

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    Original price $7.49 - Original price $7.49
    Original price
    $7.49
    $7.49 - $7.49
    Current price $7.49
  • "Competition Series" Red 4" round 7 diode LED stop/turn/tail light

    Original price $9.49 - Original price $9.49
    Original price
    $9.49
    $9.49 - $9.49
    Current price $9.49

    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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    Original price $9.49 - Original price $9.49
    Original price
    $9.49
    $9.49 - $9.49
    Current price $9.49
  • 4" Twist Lock N Go chrome plastic BEZEL ONLY for Grand General 4" flush mount LED lights

    Original price $5.49 - Original price $5.49
    Original price
    $5.49
    $5.49 - $5.49
    Current price $5.49

    Replaces the chrome bezel from Grand General Fleet series 4" round flush mount LED lights. This is NOT a cover for a rubber grommet. See related it...

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    Original price $5.49 - Original price $5.49
    Original price
    $5.49
    $5.49 - $5.49
    Current price $5.49
  • 4" round chrome plastic light holding rim/mounting flange

    Original price $4.99 - Original price $4.99
    Original price
    $4.99
    $4.99 - $4.99
    Current price $4.99

    May not be compatible with all light brands.

    Original price $4.99 - Original price $4.99
    Original price
    $4.99
    $4.99 - $4.99
    Current price $4.99
  • Dual Revolution Red/Blue 4" round 19 diode LED stop/turn/tail and auxiliary light - CLEAR lens

    Original price $53.99 - Original price $53.99
    Original price
    $53.99
    $53.99 - $53.99
    Current price $53.99

    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...

    View full details
    Original price $53.99 - Original price $53.99
    Original price
    $53.99
    $53.99 - $53.99
    Current price $53.99
    Sold out
  • Pearl red 4" round 24 diode LED stop/turn/tail light

    Original price $18.99 - Original price $18.99
    Original price
    $18.99
    $18.99 - $18.99
    Current price $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...

    View full details
    Original price $18.99 - Original price $18.99
    Original price
    $18.99
    $18.99 - $18.99
    Current price $18.99
  • Dual Revolution Red/Green 4" round 19 diode LED stop/turn/tail and auxiliary light - CLEAR lens

    Original price $53.99 - Original price $53.99
    Original price
    $53.99
    $53.99 - $53.99
    Current price $53.99

    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...

    View full details
    Original price $53.99 - Original price $53.99
    Original price
    $53.99
    $53.99 - $53.99
    Current price $53.99
  • Flatline red 4" round flange mount 49 diode LED turn signal - CLEAR lens

    Original price $51.99 - Original price $51.99
    Original price
    $51.99
    $51.99 - $51.99
    Current price $51.99

    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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    Original price $51.99 - Original price $51.99
    Original price
    $51.99
    $51.99 - $51.99
    Current price $51.99
  • Maxxima "Hybrid" Red/White 4" round 21 diode LED combo back up and stop/turn/tail light

    Original price $37.95 - Original price $37.95
    Original price
    $37.95
    $37.95 - $37.95
    Current price $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...

    View full details
    Original price $37.95 - Original price $37.95
    Original price
    $37.95
    $37.95 - $37.95
    Current price $37.95
  • Pearl 4" LED sleeper load light w/1156 plug - Green

    Original price $34.99 - Original price $34.99
    Original price
    $34.99
    $34.99 - $34.99
    Current price $34.99

    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...

    View full details
    Original price $34.99 - Original price $34.99
    Original price
    $34.99
    $34.99 - $34.99
    Current price $34.99
  • Pearl amber 4" round 24 diode LED turn signal light - CLEAR lens

    Original price $23.99 - Original price $23.99
    Original price
    $23.99
    $23.99 - $23.99
    Current price $23.99

    Many truckers are converting their trucks to an all-LED setup. One advantage LEDs have over incandescent lights is that they present an opportunity...

    View full details
    Original price $23.99 - Original price $23.99
    Original price
    $23.99
    $23.99 - $23.99
    Current price $23.99

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