Vehicle Fitment

Chevrolet Silverado

Compatible with:

• 2003 Chevrolet Silverado 1500
• 2004 Chevrolet Silverado 1500
• 2005 Chevrolet Silverado 1500
• 2006 Chevrolet Silverado 1500
• 2007 Chevrolet Silverado Classic 1500
• 2003 Chevrolet Silverado 2500
• 2004 Chevrolet Silverado 2500
• 2005 Chevrolet Silverado 2500
• 2006 Chevrolet Silverado 2500
• 2007 Chevrolet Silverado Classic 2500
• 2003 Chevrolet Silverado 3500
• 2004 Chevrolet Silverado 3500
• 2005 Chevrolet Silverado 3500
• 2006 Chevrolet Silverado 3500
• 2007 Chevrolet Silverado Classic 3500

Heavy Duty Models

• Silverado 2500HD
• Silverado 3500HD
• Silverado Classic HD Models

Chevrolet Avalanche

Compatible with:

• 2003 Chevrolet Avalanche 1500
• 2004 Chevrolet Avalanche 1500
• 2005 Chevrolet Avalanche 1500
• 2006 Chevrolet Avalanche 1500
• 2003 Chevrolet Avalanche 2500
• 2004 Chevrolet Avalanche 2500
• 2005 Chevrolet Avalanche 2500
• 2006 Chevrolet Avalanche 2500

Important Compatibility Notes

• Halogen Headlight Models Only
• Avalanche Models Without Cladding Only

OEM Reference Numbers

OEM Numbers

• 15199556
• 15199557
• 10366037
• 10366038

PartsLink Numbers

• GM2520185
• GM2521185
• GM2502224
• GM2503224

Package Contents

Included in the kit:

• Driver Side Headlight Assembly
• Passenger Side Headlight Assembly
• Driver Side Corner Light
• Passenger Side Corner Light

Bulbs Not Included

Required bulbs:

• High Beam: 9005
• Low Beam: 9006
• Turn Signal: 3157A

Integrated LED Daytime Running Lights

One of the biggest upgrades over factory lighting is the addition of LED DRLs.

Benefits include:

• Improved daytime visibility
• Modern appearance
• Better vehicle recognition
• Updated front-end styling

The LED DRL design helps bring GMT800 trucks into the modern era without drastically changing their factory look.

Improved Nighttime Visibility

Better Road Illumination

Fresh headlight assemblies help improve:

• Road visibility
• Driver confidence
• Peripheral lighting
• Nighttime safety

Many factory Silverado headlights suffer from years of oxidation that significantly reduce light output.

Enhanced Bad Weather Performance

Improved clarity can help maintain visibility during:

• Rain
• Snow
• Fog
• Dusty conditions

Chrome Housing Design

The chrome housing preserves the original Silverado styling.

Advantages include:

• OEM-inspired appearance
• Factory-style aesthetics
• Bright front-end appearance
• Excellent compatibility with stock trucks

For owners who prefer a clean factory look, chrome housings remain a popular choice.

Durable Construction

ABS Housing

Manufactured using high-quality ABS plastic designed to resist:

• Impact damage
• Weather exposure
• Temperature changes
• Daily driving abuse

Polycarbonate Lens

The lens offers:

• UV resistance
• Long-term durability
• Improved clarity
• Crack resistance

Water-Resistant Construction

The sealed housing helps protect against:

• Moisture intrusion
• Dirt contamination
• Internal condensation
• Premature failure

This is especially important for trucks that see work-duty use year-round.

Plug-and-Play Installation

OEM-Style Replacement

Benefits include:

• Factory mounting locations
• No cutting required
• No drilling required
• Direct replacement fitment

Most installations can be completed using common hand tools.

Perfect for GMT800 Builds

These headlights are ideal for:

• Daily Drivers
• Work Trucks
• Silverado SS Builds
• Lifted Trucks
• Tow Vehicles
• Restoration Projects
• Avalanche Street Builds

Whether you’re restoring a work truck or freshening up a clean GMT800 project, upgraded headlights can dramatically improve appearance.

Why Replace Old Silverado Headlights?

Common issues include:

• Cloudy lenses
• Reduced visibility
• Yellowing
• Cracked housings
• Moisture buildup

Replacing the complete assembly is often faster and more effective than repeated restoration attempts.

Final Thoughts

The Auto Dynasty LED DRL Headlights provide a practical and affordable lighting upgrade for 2003-2007 Chevrolet Silverado and Avalanche owners. Featuring integrated LED daytime running lights, chrome housings, weather-resistant construction, and direct-fit installation, they offer a clean OEM-style appearance while restoring visibility and safety.

Because your GMT800 may run forever, but the original headlights definitely weren’t designed with forever in mind.