DNA MOTORING Headlight Mounting Brackets for Chevy Silverado & Avalanche 2003-2006 — Left & Right OEM-Style Pair, Direct-Fit Plast

If your Silverado or Avalanche has loose, misaligned, or cracked headlight supports, this DNA MOTORING headlight bracket set provides a direct-fit replacement that restores factory alignment and keeps headlights secure. Each pair meets OEM fit expectations, installs without cutting or drilling, and is molded from durable plastic to resist everyday road stress. Fitment covers a range of Chevrolet full-size trucks—confirm the listed reference numbers against your OEM parts to ensure compatibility.

Which truck models and years will these brackets fit?

These headlamp mounting brackets are manufactured to match the original mounting points on specific Chevy models. They cover Silverado 1500, 2500, and 3500 trucks from 2003–2006 and the Avalanche 1500/2500 from the same years. They also fit the Silverado Classic 1500/2500/3500 2007 models that share the same headlight assembly layout.

• Compatible models: Chevy Silverado 1500/2500/3500 (2003–2006)
• Also fits: Chevy Avalanche 1500/2500 (2003–2006)
• Includes some Silverado Classic 2007 models using the same assembly
• Reference OEM numbers: GM1221130, GM1221131, 15798921, 15798922

How does installation work — will I need special tools or modifications?

Installation is designed to be straightforward: these brackets are direct bolt-on replacements that align with the factory mounting holes. No drilling, trimming, or body modifications are required when replacing worn or broken brackets. Typical hand tools used for headlight removal and reinstallation are sufficient.

• Direct OE-fit replacement — no cutting or drilling
• Installs using existing factory bolts and hardware
• Requires basic hand tools (ratchet, sockets, trim removal as needed)
• Includes both left and right brackets for a full replacement

What materials and quality standards are used in these brackets?

DNA MOTORING manufactures the brackets from high-quality plastic engineered to balance strength with impact resistance. The parts are produced to meet or exceed OEM durability expectations so they hold alignment under normal driving conditions. This construction helps preserve the headlight position and reduces the risk of vibration-related misalignment.

• High-strength molded plastic for longevity
• Manufactured to match OEM fit and function
• Designed to resist everyday road stresses and vibrations
• Sold as a pair (left and right) for complete replacement

Who is this for: This DNA MOTORING headlight bracket pair is intended for Chevy owners who need an affordable, reliable replacement for broken or loose headlamp mounts on compatible Silverado and Avalanche trucks. It's a practical option for DIY mechanics, repair shops, and fleet maintenance teams seeking an OEM-compatible solution that restores headlight alignment and fit without bodywork or custom fabrication. Double-check your vehicle's year and part numbers before purchase to ensure a precise match.