Description
High-Performance Headlight Upgrade. The Diode Dynamics HID Headlight Bulbs in D5A 6000K deliver enhanced brightness and improved visibility for vehicles equipped with factory HID headlights. Designed as a direct OEM replacement, these bulbs provide a significant increase in light output while maintaining accurate color temperatures for safer, clearer nighttime driving.
Construction and Appearance. Manufactured using premium German quartz glass and American salts through a fully automated process, these bulbs ensure consistent quality and high reliability. They emit a crisp ice white light at 6000K, delivering a modern look without green or purple hues.
Installation. Installation is straightforward and requires no modifications or drilling. Featuring OEM-sized plug-and-play connectors, these bulbs offer an exact fit replacement for the original equipment with ease.
Warranty. The bulbs include a 3-year replacement limited warranty, providing lasting peace of mind and assurance of durability.
Application. These bulbs are specifically designed to fit 2016-2026 GMC Sierra 2500/3500 models equipped with factory HID headlights, ensuring perfect compatibility and optimal performance.
Diode Dynamics DD1221P
CA Residents: WARNING: Cancer and Reproductive Harm
- Direct Replacement for GMC Sierra 2500/3500 OEM HID Headlight Bulbs
- Provides Increased Total Light Output Compared to Factory Bulbs
- Perfect Alignment for Easy Installation
- True Color Output with No Variance or Unwanted Tints
- Bulb Size: D5A
- Application: Hi/Lo Beam
- Operating Voltage: 9-16V
- Measured Lumens: 3,300 Per Bulb
- Power: 35 Watts
- Current: 3.5 Amps at 13.2V
- Operating Temperature Range: -40°C to 85°C (-40°F to 185°F)
- Connector: OEM-Size Plug-and-Play
- Warranty: 3-Year Replacement Limited Warranty
- Fits 2016-2026 Sierra 2500/3500 with Factory HID Headlights
| Brand | Diode Dynamics |
| Bulb Type | Headlight Bulb |






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