The 2015 Chevrolet Silverado 1500 wiring and body mounting accommodate several headlight configurations, but most models use halogen projector headlights as standard, with higher trims offering factory HID options. Aftermarket LED headlights are a common upgrade. This article outlines the typical factory setups and how to determine the right replacement.
Factory headlight configurations by trim
The following outlines the typical factory configurations you would find on a 2015 Silverado based on common trim packages and equipment groups.
- Base WT and lower trims: Halogen projector headlights with standard halogen bulbs.
- LT trim: Usually follows the halogen projector configuration, with the option for upgraded lighting packages depending on the build sheet.
- LTZ and upper trims: Projector headlights with factory HID (Xenon) options on the lighting package, depending on the build and market.
If you’re shopping for a replacement, knowing your exact trim and cab/bed configuration helps ensure you buy the correct factory-style headlight assembly or an aftermarket option that fits properly.
Bulb sizes and compatibility notes
Before buying bulbs or headlight assemblies, note that bulb types and connector layouts vary by headlight design and production date. The following is a general guide for 2014–2015 Silverado halogen projector assemblies, but you should verify with your vehicle’s manual or a parts lookup tool to confirm exact sizes for your specific vehicle.
- Low-beam bulb: commonly a halogen projector-specific bulb (typical variants use an H11-type bulb, but exact size can vary by headlight variant).
- High-beam bulb: commonly a halogen high-beam bulb (typical variant uses a 9005/HB3-type bulb, but verify for your housing).
- Front turn-signal/parking light bulbs: typically separate bulbs such as 3157-series variants, with exact size depending on the housing and production date.
When replacing bulbs or upgrading to a different headlight type, confirm the exact bulb sizes and connector configuration for your specific vehicle by checking the owner’s manual, inspecting the current bulbs, or using a reliable parts lookup tool. This ensures proper fit and alignment.
Upgrade options and installation considerations
For drivers seeking improved brightness or a different look, aftermarket LED projector or HID upgrade headlights are widely available for the 2015 Silverado. When choosing aftermarket units, ensure:
- The kit is designed to fit the GMT-900-based Silverado body style and cab configuration for 2014–2018 models.
- The housing mounting points, wiring harness, and connector match your truck’s headlight wiring and ballast requirements (if applicable).
- OBD/EFI considerations and beam pattern compliance are addressed to avoid glare for oncoming drivers.
Always verify fitment with the exact model year and trim, and consider professional installation if you’re swapping to HID/LED to ensure proper alignment and safety.
Summary: For a 2015 Chevy Silverado, standard factory headlights are halogen projector units on most trims, with HID options on higher trims. LED headlights were not offered as factory equipment, but aftermarket LED projectors are common upgrades. Confirm trim, cab configuration, and exact bulb sizes or headlight housing before purchasing replacement parts.
What kind of headlights does a 2015 Silverado take?
Chevrolet Silverado 1500 Bulb Size Chart (2014-2015)
| Location | Bulb Size | Recommend Product Series |
|---|---|---|
| High Beam | 9005 | LS Plus Series |
| Low Beam | H11 | LS Plus Series |
| Fog Light | 5202 | LD Plus Series |
| Front Turn Signal Light | 7443 | T3-T20 Series |
Do I need H11 or 9005?
H11 bulbs are designed for use as low beam headlights, while 9005 bulbs are typically used for high beams. This results in a higher brightness level for the 9005 bulbs compared to the H11 bulbs.
What headlight bulb do I need for a Chevy Silverado?
H11
Chevrolet Silverado 1500 (2022-2023) Bulb Size Chart
| Headlights (Low Beam) | H11 (H8 H9) |
|---|---|
| Brake Light (High-Mounted) | T15 (912 921) |
| Reverse Light (Back-Up Light) | T15 (912 921) |
| Parking Light | 7443 (7440) |
| Tail Light | 7443 (7440) |
Can you put LED bulbs in a 2015 Chevy Silverado?
Using basic hand tools, you can replace your 2007-2015 Chevrolet Silverado's incandescent fog light bulbs with our LED replacements for dramatically improved light output. As you would expect, installation of our 5202 LED fog lights is 100% plug-and-play, there is no splicing or wiring required!


