Description
Premium HID Headlight Upgrade. The Diode Dynamics HID Headlight Bulbs; D5A 4300K provide a direct OEM replacement for GMC Sierra 2500/3500 models. These bulbs deliver a higher total light output compared to factory bulbs, enhancing nighttime driving visibility and safety.
Construction and Appearance. Crafted with high-quality German quartz and American salts, these bulbs are assembled in a fully automated environment to ensure consistent performance. Their finish produces true white light with minimal color variance and is available in 4300K, 5000K, and 6000K color temperatures.
Installation. Installation is straightforward and requires only basic tools, with no drilling necessary. The OEM-size plug-and-play connector allows for quick replacement while maintaining proper bulb alignment.
Warranty and Application. A three year replacement limited warranty provides peace of mind regarding reliability. These bulbs are specifically designed to fit 2016-2023 GMC Sierra 2500 and 3500 models and are compatible with the original HID headlight system, not intended to replace halogen bulbs.
Diode Dynamics DD1219P
CA Residents: WARNING: Cancer and Reproductive Harm
- Direct Replacement For GMC Sierra 2500/3500 OEM HID Headlight Bulbs
- Provides Increase In Total Light Output
- Perfect Alignment, With Easy Installation
- True Colors, With No Variance
- Power Usage Of 35 Watts, Higher Than Factory 25 Watts
- DOT/SAE And ECE Compliant Arc Position And Size
- Manufactured Using German Quartz And American Salts
- Available In 4300K, 5000K, And 6000K Color Temperatures
- Bulb Size Is D5A, Designed For Hi/Lo Beam Application
- Operating Voltage Between 9 And 16 Volts
- Operating Temperature Ranges From -40C To 85C (-40F To 185F)
- OEM-Size Plug And Play Connector
- Measured Lumens Of 3,300 Per Bulb
- Includes Two Bulbs Per Package
- Three Year Replacement Limited Warranty Included
- Fits 2016-2023 GMC Sierra 2500/3500 Models
| Brand | Diode Dynamics |
| Bulb Type | Headlight Bulb |






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