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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.

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

    Dual Revolution Red/White 4" round 19 diode LED stop/turn/tail and backup light - CLEAR lens

    12+ in stock

    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 $53.99 - Original price $53.99
    Original price
    $53.99
    $53.99 - $53.99
    Current price $53.99
  • Original price $27.99 - Original price $27.99
    Original price
    $27.99
    $27.99 - $27.99
    Current price $27.99

    "Fleet" White 4" round 18 diode LED backup/reverse light

    Only 3 left!

    This is a single-function backup/reverse light. It has a three prong female plug in the back, but only the ground and hot wire are needed.

    Original price $27.99 - Original price $27.99
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    $27.99
    $27.99 - $27.99
    Current price $27.99
  • Original price $72.99 - Original price $72.99
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    Current price $72.99

    Dual Revolution Red/White 4" round 19 diode LED turn signal/backup light w/flange

    Only 5 left!

    This light is a stop/turn/tail and a backup / reverse light, all in one housing! Using the standard three-prong offset plug, it will light up red a...

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    Original price $72.99 - Original price $72.99
    Original price
    $72.99
    $72.99 - $72.99
    Current price $72.99
  • Original price $75.99 - Original price $75.99
    Original price
    $75.99
    $75.99 - $75.99
    Current price $75.99

    Dual Revolution Flatline Red/White 4" round 49 diode LED turn signal and backup light - CLEAR lens

    Only 4 left!

    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. The additi...

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    Original price $75.99 - Original price $75.99
    Original price
    $75.99
    $75.99 - $75.99
    Current price $75.99
  • Original price $31.99 - Original price $31.99
    Original price
    $31.99
    $31.99 - $31.99
    Current price $31.99

    "Halo" White 4" round 21 diode LED backup/reverse light

    Only 4 left!

    This light functions as a backup light, ONLY. Sold SINGLE. Part of United Pacific's "Glo" series of LED lights.

    Original price $31.99 - Original price $31.99
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    $31.99 - $31.99
    Current price $31.99
  • Original price $27.95 - Original price $27.95
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    Current price $27.95

    White Ultra-Thin 4" round 10 diode LED flange mount backup/reverse light

    Only 7 left!

    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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    Original price $27.95 - Original price $27.95
    Original price
    $27.95
    $27.95 - $27.95
    Current price $27.95
  • Original price $75.99 - Original price $75.99
    Original price
    $75.99
    $75.99 - $75.99
    Current price $75.99

    Dual Revolution Flatline Red/White 4" round 49 diode flange mount LED turn signal and backup light - CLEAR lens

    Only 7 left!

    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. The additi...

    View full details
    Original price $75.99 - Original price $75.99
    Original price
    $75.99
    $75.99 - $75.99
    Current price $75.99
  • Original price $58.99 - Original price $58.99
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    Current price $58.99

    Pearl White 4" round 24 diode LED back up / reverse light

    Only 4 left!

    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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    Original price $58.99 - Original price $58.99
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  • Original price $41.99 - Original price $41.99
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    Current price $41.99

    Maxxima White 4" round 18 diode LED dual-voltage backup light

    Only 3 left!

    Maxxima's revolutionary technology makes this light able to work on either a 12 volt or 24 volt system. No additional hardware or wiring required! ...

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    Original price $41.99 - Original price $41.99
    Original price
    $41.99
    $41.99 - $41.99
    Current price $41.99
  • Original price $31.99 - Original price $31.99
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    Current price $31.99

    "Fleet" White 4" round 18 diode LED surface mount backup/reverse light w/Twist N Lock chrome bezel, plain wires (no plug)

    Only 4 left!

    This is not a grommet mount light. It is a surface mount light, perfect for applications like replacing the load lights in the back of your sleeper...

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    Original price $31.99 - Original price $31.99
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    Current price $31.99
  • Original price $28.99 - Original price $28.99
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    Current price $28.99

    Maxxima White 4" round 9 diode LED backup reverse light

    Only 6 left!

    This light requires the use of either a rubber grommet or Maxxima brand mounting flange. This light has a built-in three-prong female plug in the b...

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    Original price $28.99 - Original price $28.99
    Original price
    $28.99
    $28.99 - $28.99
    Current price $28.99
  • Original price $32.99 - Original price $32.99
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    Current price $32.99

    White 4" round 12 diode LED back up/reverse light w/"mirror" surface

    Only 4 left!

    This is one of our most affordable options for an LED backup light - they have a tendency to cost upward of $60! These lights function at 12 volts.

    Original price $32.99 - Original price $32.99
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    $32.99
    $32.99 - $32.99
    Current price $32.99
  • Original price $41.99 - Original price $41.99
    Original price
    $41.99
    $41.99 - $41.99
    Current price $41.99

    Maxxima White 4" round 18 diode LED dual-voltage backup light

    Only 2 left!

    Maxxima's revolutionary technology makes this light able to work on either a 12 volt or 24 volt system. No additional hardware or wiring required! ...

    View full details
    Original price $41.99 - Original price $41.99
    Original price
    $41.99
    $41.99 - $41.99
    Current price $41.99