Nilight Fog Light Assembly for 2003–2006 GMC Sierra 1500 / Classic — Pair with H10 Bulbs, OEM-Style Sealed Lenses

Nilight fog light assembly is a direct-fit pair of DOT-compliant fog lamps with H10 bulbs engineered to restore factory-style visibility on 2003–2006 GMC Sierra models and select 2007 Classics.

If you need a reliable replacement for cracked, cloudy, or nonworking fog lights on your Sierra, this Nilight kit supplies both driver and passenger units built to the same mounting points as the original equipment. The assemblies include H10 bulbs and come pre-sealed with OEM-grade housings and clear glass lenses designed to resist UV, heat, and road debris. Before ordering, confirm your truck’s exact model year and trim since this set does not fit Denali or C3 variants.

Will these fog lights fit my GMC Sierra?

These Nilight assemblies are manufactured to be compatible with 2003–2006 GMC Sierra 1500, 1500 HD, 2500, 2500 HD, and 3500 trucks, plus the 2007 GMC Sierra Classic. They replace the original OE part numbers listed by the manufacturer and mount without modification when fitted to compatible models.

• Compatible years: 2003–2006, plus 2007 Sierra Classic
• Compatible models: 1500 / 1500 HD / 2500 / 2500 HD / 3500
• Not compatible: Denali and C3 trim levels
• Replaces OE part numbers: 15190984, 15190985, 15776382, 15776381

How do these fog lights improve driving in poor weather?

The Nilight lenses and bulb combination produce a low-mounted, wide beam with a 3300K color temperature that cuts through fog, rain, snow, and dust better than faded stock units. The clearer beam pattern helps you see road edges and lane markers while making your vehicle more visible to oncoming traffic.

• 3300K light color for penetrating low-visibility conditions
• Wide, low beam pattern to illuminate road surface and shoulders
• Includes H10 bulbs tuned for fog-light performance
• Restores clarity if original lenses are yellowed or cracked

Are these fog lights durable and weather-resistant?

Yes—the Nilight assemblies use sealed housings and quality glass lenses to keep moisture and dust out, reducing the chance of fogging or internal corrosion. The housing is built to OEM standards for impact and UV resistance so the lights hold up under varied road and weather conditions.

• Sealed construction prevents moisture and dust ingress
• High-transmittance glass resists UV yellowing and heat
• OEM-grade housing for impact resistance and longevity
• Ideal replacement for damaged or weathered stock lamps

What’s included and how easy is installation?

The package contains a matched pair of fog light assemblies—driver and passenger side—each fitted with an H10 bulb. The units are designed for bolt-on installation to compatible GMC Sierra models; professional installation is recommended if you’re not familiar with automotive lighting work.

• Included: pair of fog lights (left and right) with H10 bulbs
• DOT & SAE compliant for legal road use in most areas
• Direct bolt-on for compatible models; no cutting or drilling required
• Professional installation recommended for wiring or alignment

Who is this for: This Nilight fog light assembly set is aimed at GMC Sierra owners who need a dependable, factory-style replacement for damaged or dim fog lamps on 2003–2006 models or the 2007 Sierra Classic. It’s a strong fit for drivers who want improved low-visibility lighting without aftermarket modifications, fleet vehicles needing rapid parts replacement, or anyone restoring their Sierra to safe, road-ready condition.