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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 $1.49 - Original price $1.49
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Current price $1.49

4" round Black rubber light mounting grommet

163 in stock

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
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$1.49
$1.49 - $1.49
Current price $1.49
Original price $5.99 - Original price $5.99
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$5.99
$5.99 - $5.99
Current price $5.99

4" round "Stealth" chrome plastic screwless grommet cover - no visor

92 in stock

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 $5.99 - Original price $5.99
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$5.99
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Current price $5.99
Original price $3.99 - Original price $3.99
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$3.99
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4" round chrome plastic light bezel grommet cover

53 in stock

Includes mounting screws. Screws to the rubber grommet.

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

36 in stock

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

Original price $3.99 - Original price $3.99
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Original price $10.49 - Original price $10.49
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4" round stainless steel mounting flange for Fleet & Pearl lights

29 in stock

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

Original price $10.49 - Original price $10.49
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Original price $9.99 - Original price $9.99
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$9.99
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4" round stainless steel mounting flange for Dual Revolution lights

37 in stock

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 $9.99 - Original price $9.99
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$9.99
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Current price $9.99
Original price $6.79 - Original price $6.79
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4" round "Stealth" chrome plastic screwless grommet cover with visor

22 in stock

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 $6.79 - Original price $6.79
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$6.79
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Current price $6.79
Original price $5.79 - Original price $5.79
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4" Twist Lock N Go chrome plastic BEZEL ONLY for Grand General 4" flush mount LED lights

13 in stock

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 $5.79 - Original price $5.79
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Original price $7.99 - Original price $7.99
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Maxxima 4" round stainless steel light security flange w/chrome finish

3 in stock

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
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Original price $9.99 - Original price $9.99
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Maxxima 4" round stainless steel light security flange

25 in stock

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 $9.99 - Original price $9.99
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$9.99
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Original price $7.99 - Original price $7.99
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$7.99
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4" round chrome plastic light bezel w/shine-through mirror coating

17 in stock

Fits over standard 4" round rubber grommets. Works best with low-profile lights that do not stick out past the grommet. Not compatible with high-pr...

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Original price $7.99 - Original price $7.99
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Original price $4.99 - Original price $4.99
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4" round chrome plastic light holding rim/mounting flange

16 in stock

May not be compatible with all light brands.

Original price $4.99 - Original price $4.99
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Original price $8.49 - Original price $8.49
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4" round chrome steel mounting flange for watermelon bunk light plates

34 in stock

Sold SINGLE. Compatible with United Pacific 4" round grommet mount lights, as well as our watermelon bunk / sleeper load light mounting plates. No ...

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Original price $8.49 - Original price $8.49
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Original price $14.99 - Original price $14.99
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White 4" round 19 diode LED backup / reverse light with reflector

108 in stock

Mounts into a standard 4" rubber grommet (sold separately). Has a 3-prong offset female plug built into the back. This is a single function light.

Original price $14.99 - Original price $14.99
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Original price $10.99 - Original price $10.99
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Skull 4" round chrome plastic grommet cover

11 in stock

Includes chrome mounting screws. The eye, nose, and mouth cutouts allow your light to shine through. Fits on any standard 4" round rubber grommet.

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Original price $21.99 - Original price $21.99
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"Halo" Amber 4" round LED turn signal light

11 in stock

This light has 6 center diodes and an extraordinary LED-powered glowing outer ring. Sold SINGLE. Features a built-in offset 3-prong female plug.Not...

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Original price $21.99 - Original price $21.99
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Original price $14.99 - Original price $14.99
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Red / White 4" round 19 diode LED dual function stop/turn/tail & backup / reverse light with reflector

77 in stock

Mounts into a standard 4" rubber grommet (sold separately). Has a 3-prong offset female plug built into the back to power the RED stop / turn / tai...

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