RLB-HILON Headlight Bracket Set for Chevy Silverado & Avalanche 2003-2007 — Left & Right OEM-Fit Mounting

RLB-HILON headlight bracket set replaces the left and right mounting supports for Chevy Silverado and Avalanche models from 2003 through 2007.

If your truck’s headlight alignment has loosened, the original brackets are cracked, or you’re restoring a Silverado or Avalanche, these replacement brackets restore secure mounting and correct lamp positioning. The kit includes one driver-side and one passenger-side bracket made to match OEM fitment numbers so installation fits factory mounting points. Designed as direct replacement parts, they help maintain proper headlamp beam aim and keep the assembly secured to the vehicle fascia.

Which models and years are these brackets compatible with?

These brackets fit a range of Chevrolet full-size trucks and their Avalanche variant across early 2000s model years. They cover both standard and Classic Silverado trims where factory headlamp mounting shares the same hardware layout.

• Chevrolet Silverado 1500, 2500, 3500: 2003–2006 model years.
• Chevrolet Silverado 1500 Classic, 2500 Classic, 3500 Classic: 2007 model year.
• Chevy Avalanche 1500 and 2500: 2003–2006 model years.
• Designed to match OEM part numbers 15798922 and 15798921 for straightforward replacement.

How does this bracket pair simplify installation?

Each bracket is shaped to align with factory bolt holes and tabs so you won’t need body modification or specialty tools for most installations. The set arrives as two pieces—one for the driver side and one for the passenger side—so both headlight mount points can be addressed at once, which helps re-establish symmetrical beam aim.

• Supplied as a pair (left and right) for complete front-end repair.
• Engineered to correspond to OEM mounting locations and fastener positions.
• Reusable with existing headlamp assemblies and hardware in most cases.
• Allows restoring original headlight alignment and reducing vibration or movement.

What should I check before ordering this replacement bracket set?

Confirm fitment by matching your truck’s model year and trim with the listed compatibility, and verify your factory part numbers if possible. Inspect the damaged area to ensure you need the bracket itself rather than additional headlamp housing components or adjacent support parts.

• Verify vehicle: Silverado or Avalanche within the specified years (2003–2007 as listed).
• Compare OEM numbers 15798922 and 15798921 where available.
• Check if headlamp assembly or fasteners are intact and reusable.
• Have basic hand tools ready: screwdrivers, socket set, and trim pry tools.

Will these brackets affect headlight aim or performance?

When fitted correctly, the replacement brackets restore the original mounting geometry so headlight aim and beam pattern are returned to factory orientation. They do not alter electrical components or lamp output; their role is purely structural—securing the headlamp housing in the intended position.

• Re-establishes proper lamp alignment for consistent beam pattern.
• Prevents headlamp wobble that can blur light projection.
• Does not modify wiring, bulbs, or optical components.
• Helps maintain safe roadway illumination by keeping correct lamp angle.

Who is this for: These replacement headlight brackets are aimed at owners, mechanics, and restoration enthusiasts working on Chevrolet Silverado 1500/2500/3500 and Avalanche models from the 2003–2007 era who need an OEM-style pair of driver and passenger brackets. If you want a direct-fit, repair-oriented part to secure your existing headlamp assemblies and recover factory alignment without extensive bodywork, this set is appropriate.