Description
High-Performance LED Sidemarkers. The Diode Dynamics Standard LED Side Marker Lights in Amber offer a significant upgrade to the factory fender lighting on your GMC Sierra HD. These sidemarkers provide increased visibility and a uniform amber illumination that enhances both the aesthetics and safety of the vehicle by ensuring better road presence in all conditions.
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Construction and Appearance. Manufactured with an ABS base and PMMA lens, these sidemarkers deliver durable, OEM-quality construction with UV-stable lenses that resist fading. The dual-lens design features an inner diffusing element paired with an outer lens to create a consistent, full-width glow that stands out distinctly compared to standard sidemarkers.
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Installation. Installation is straightforward with a plug-and-play design using OEM connectors, requiring no drilling or permanent modifications. The process involves removing the factory fender liner secured by plastic clips, and extra clips are included to facilitate a hassle-free fitment experience.
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Warranty. These sidemarkers come with a 3-year limited warranty, ensuring reliable performance and peace of mind against defects.
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Application. Designed specifically for 2020 through 2026 GMC Sierra 2500 HD models, these sidemarkers fit precisely, with the noted exception that the sequential option is incompatible with the 2023 Denali Ultimate and AT4 HD trim levels.
Diode Dynamics DD5126
CA Residents: WARNING: Cancer and Reproductive Harm
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- Plug-and-Play Replacement for 2020-2026 GMC Sierra 2500 HD Fender Lights (Sequential Option Not Compatible with 2023 Denali Ultimate and AT4 HD Trim Levels)
- Dynamic Startup Sequence with Animated Effect
- Fully-Illuminated Housing with Dual-Lens Design for an Even, Uniform Glow
- Optional Sequential Turn Signal Feature with Plug-and-Play Wiring Harness
- OEM-Grade Construction and Perfect Fitment
- Engineered and Assembled in USA
- Dual-Lens Design Using an Inner Diffusing Lens Combined with an Outer Lens for Uniform Illumination
- Constant-Current Circuitry and Transient Voltage Protection for Longevity
- Breather Vent to Prevent Pressure Buildup and Maintain Weather Tight Seal
- Three Lens Color Options Available: Amber, Smoked, and Clear
- Includes Extra Fender Clips for Installation (Ten Clips Included; Sequential Kits Include Two Wiring Harnesses and Four Rubber Plugs)
- Internal Constant Current Driver Features
- Materials: ABS Base and PMMA Lens
- Compliance: SAE J575 Durability Test
- No Electrical Issues Confirmed
- Operating Voltage: 9-16V
- Measured Lumens: 30 lm
- Power Consumption: 1.3 Watts
- Operating Temperature Range: -40°C to 85°C (-40°F to 185°F)
- Connector Type: OEM-Size Plug and Play
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