RLB-HILON Headlight Bracket Pair for Chevy Silverado & Avalanche 2003–2007 — Direct-Fit, OEM 15798921/15798922

RLB-HILON headlight bracket pair replaces worn or broken headlamp mounts on Chevrolet Silverado and Avalanche models from 2003–2007, restoring secure alignment for both driver and passenger sides.

If your Silverado or Avalanche has a loose, cracked, or missing headlight bracket, these direct-fit replacement parts from RLB-HILON are made to match the original mounting points and restore factory-style fitment. Manufactured to work with the OEM reference numbers 15798921 and 15798922, the set includes both left and right brackets so you can repair one side or refresh both at once. These brackets are intended for models spanning Chevrolet Silverado 1500, 2500, 3500 (2003–2006), Silverado Classic 1500/2500/3500 (2007), and Chevy Avalanche 1500/2500 (2003–2006).

Will these brackets fit my Chevrolet model year?

These headlight brackets are specified to match the mounting geometry for the listed model years and trims. They align with the original equipment mounting locations and bolt patterns for a straightforward replacement.

• Fits Chevrolet Silverado 1500/2500/3500, model years 2003–2006.
• Fits Chevrolet Silverado Classic 1500/2500/3500, model year 2007.
• Compatible with Chevy Avalanche 1500/2500, model years 2003–2006.
• Designed to match OEM NO. 15798921 and 15798922 mounting points.

How easy is installation for a DIYer?

Installation is intended to be straightforward for someone comfortable with basic automotive repairs; you’ll remove the headlamp assembly to access the mounting points and fasten the new bracket in place. No special fabrication is required when replacing like-for-like parts.

• Includes one pair: driver and passenger side brackets for a complete replacement.
• Uses factory bolt locations—no drilling or modification necessary.
• Common hand tools (screwdrivers, sockets) are typically sufficient.
• Recommended to follow vehicle service manual for torque specs and safety steps.

What are the parts’ identifying numbers and build purpose?

These parts correspond to the OEM part numbers 15798921 and 15798922, used as reference to ensure compatibility and fit. The brackets support and secure the headlamp assembly, maintaining correct alignment and reducing vibration or sag.

• OEM reference: 15798921 and 15798922 for driver and passenger sides.
• Sold as a pair—left and right included in the package.
• Engineered to hold headlamp assembly in the factory position.
• Helps prevent misalignment that can affect beam aim and fitment.

What should I inspect before ordering replacement brackets?

Verify your vehicle’s model year, body style, and whether it’s a Silverado Classic or Avalanche variant in the specified range. Also check the existing bracket’s OEM number if visible to confirm an exact match.

• Confirm year and model: Silverado (2003–2006), Silverado Classic (2007), Avalanche (2003–2006).
• Locate any stamped OEM numbers on current brackets for cross-checking.
• Inspect headlight assembly and adjacent mounts for additional damage.
• Order a matched pair for consistent fit and appearance if both sides show wear.

Who is this for: RLB-HILON headlight brackets are aimed at vehicle owners, independent mechanics, and restoration enthusiasts who need an exact-fit replacement for worn or broken headlamp mounts on compatible Chevy Silverados and Avalanches. If you want to restore proper headlight alignment, secure the lamp assemblies, and avoid custom modifications, this pair provides a direct-fit, OEM-referenced solution.