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Ships within 48 hours · Estimated delivery Aug 16 - Aug 21
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Description
Diode Dynamics 20-21 Sierra 2500/3500 HD LED Sidemarkers Clear SetFeaturesPlug and play compatible with GMC Sierra HD 2020+ fender lightsDynamic startup sequence with animated effectFully illuminated housing with dual lens design for an even glowOptional Sequential turn signal feature with plug and play wiring harnessOEM grade construction and perfect fitmentEngineered and assembled in USAOverviewUpgraded Styling. These LED sidemarkers are a plug and play replacement for the factory fender lights illuminating the
FeaturesPlug-and-play compatible with GMC Sierra HD 2020+ fender lightsDynamic startup sequence with animated effectFully-illuminated housing with dual-lens design for an even glowOptional Sequential turn signal feature with plug-and-play wiring harnessOEM-grade construction and perfect fitmentEngineered and assembled in USAOverviewUpgraded Styling. These LED sidemarkers are a plug-and-play replacement for the factory fender lights illuminating the entire width of the housing for a distinctive look and brighter appearance. Choose from three lens color options to get the look you're after.Unique Startup. Both the standard and sequential models feature a unique startup sequence. Every time the sidemarkers turn on they illuminate in an intense amber color starting from the center then spreading to either side. Once they are completely illuminated they gradually return to a running light mode.Sequencing Turn Signal. Our sequential option provides an upgrade in functionality. Anytime you hit your turn signal the sidemarkers illuminate in a sequencing amber pattern to indicate signaling! The sequential option uses the included plug-and-play harness to power the fender lights using the headlight connector.OptionsAmber: These match your original sidemarkers and are DOT/SAE compliant.Smoked: A dark appearance great on black and grey vehicles.Clear: These are clear in color but still have the retroreflector optics.Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.3 ★★★★★
Based on 8 reviews
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Product Reviews
★★★★★ 1
You Get What You Pay For! A Piece Of Junk!
Size: 1 Panel
Flimsy and a piece of junk. Don’t waste your money. Assembly is a pain because it is so flimsy. Divider is thin. You can see right through it. Very wobbly.
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Reviewed in the United States on February 25, 2026
★★★★★ 4
Instructions are useless
Size: 1 Panel
The instructions are poorly written and not very helpful. The divider itself is easy to assemble, and honestly, it would’ve been quicker if I had skipped the directions altogether. Once put together, though, it works as intended.
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Reviewed in the United States on February 20, 2026
★★★★★ 5
This was the best
Size: 1 Panel
This divider is great for creating a little privacy or separating a small area without taking up much space. The fabric is thick enough to block visual clutter, and the frame is lightweight but stable once it’s opened. It folds flat for storage, which is convenient if you only need it occasionally. Assembly was straightforward, and it was the perfect size. It’s a practical piece for apartments, studios, or home offices where you want a quick, temporary partition.
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Reviewed in the United States on April 14, 2026
★★★★★ 5
Good privacy screen
Size: 1 Panel, Size: 1 Panel
This is a good privacy screen that's easy to assemble and looks nice. Be a little careful moving it, as the corners can twist. It's sturdy once in place, and the thick material is completely opaque. If the folds bother you, you might want to iron it, but I'm happy with it as is.
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Reviewed in the United States on March 30, 2026
★★★★★ 3
Lightweight divider that works well for video call backgrounds
Size: 1 Panel
This divider works fine for what it is, but it’s definitely on the lightweight side.
Setup was very easy and only took a few minutes. The frame is fairly light, so it’s easy to move around or reposition if needed. That said, the tradeoff is that it’s not especially sturdy. It stands fine on its own but I wouldn’t expect it to handle much bumping or movement.
I mainly bought it to use as a background for Zoom calls when I’m working from my den, and for that purpose it works great. The fabric panel blocks the room behind me and gives a cleaner background on camera.
It’s not huge though. To keep the camera from seeing around it, I have to position it directly behind my chair. If you’re expecting it to divide a large room or create a big privacy barrier, it may feel a bit small.
Overall, it does the job and works well for temporary setups or video call backgrounds, but the lightweight frame keeps it from feeling like a premium divider.
The product description and photos are accurate.
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Reviewed in the United States on March 12, 2026