Shipping Estimate
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- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 7 - Jul 12
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Description
Diode Dynamics 20-21 Sierra 2500/3500 HD LED Sequential Sidemarkers Smoked SetFeatures Plug and play compatible with GMC Sierra HD 2020+ fender lights Dynamic startup sequence with animated effect Fully illuminated housing, with dual lens design for an even glow Optional Sequential turn signal feature, with plug and play wiring harness OEM grade construction and perfect fitment Engineered and assembled in USA Overview Upgraded Styling. These LED sidemarkers are a plug and play replacement for the factory fender lights,
Features Plug-and-play compatible with GMC Sierra HD 2020+ fender lights Dynamic startup sequence with animated effect Fully-illuminated housing, with dual-lens design for an even glow Optional Sequential turn signal feature, with plug-and-play wiring harness OEM-grade construction and perfect fitment Engineered and assembled in USA Overview Upgraded 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. Options Amber: 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.This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2020-2023 | GMC | Sierra 2500 HD | AT4 |
| 2020-2021 | GMC | Sierra 2500 HD | Base |
| 2020-2023 | GMC | Sierra 2500 HD | Denali |
| 2022-2023 | GMC | Sierra 2500 HD | Pro |
| 2020-2023 | GMC | Sierra 2500 HD | SLE |
| 2020-2023 | GMC | Sierra 2500 HD | SLT |
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
4.4 ★★★★★
Based on 2274 reviews
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Product Reviews
★★★★★ 2
Stopped charging devices after less than 3 months
Color: Wireless Charging
Even after reviewing other's reviews stating it charges phones very slowly I was ok with that and bought it anyway as it wouldn't serve as my primary overnight charger. However, after 11 weeks and 2 days it no longer charges my phone at all. The mouse pad portion is good but look elsewhere if you need the charger.
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Reviewed in the United States on December 2, 2025
★★★★★ 5
Wine holder is great
Really beautiful for the money very sturdy and the gold is beautiful. It’s not an odd color. It’s like the perfect gold matched. Amazing.
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Reviewed in the United States on October 24, 2023
★★★★★ 4
Enhanced
This wine bottle hold really enhanced my dining room. I used 2 together to hold 6 bottles
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Reviewed in the United States on September 4, 2022
★★★★★ 5
I love the wine racks. Beautiful and practical!
Perfect for a small room. We attached them to a cabinet
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Reviewed in the United States on July 17, 2022
★★★★★ 5
Worth the money
Color: Black
While this is in 2 pieces, it’s a great desk mat and the wireless charging is awesome!
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Reviewed in the United States on May 29, 2026