KUIPERAUTO Headlight Assembly for 1999–2006 GMC Sierra & Yukon — Chrome Housing, Halogen Bulbs Included

Designed as a straightforward replacement for aging or damaged factory headlights, this KUIPERAUTO front lamp restores proper illumination and appearance for select GMC Sierra and Yukon models. The assembly mirrors original mounting points and electrical connections so installation is simple, while upgraded sealing and reflector processes improve durability and beam control. It ships with 9005/9006 halogen bulbs for high and low beams (turn signal bulbs not included).

Which GMC models and years will this headlight fit?

This headlight assembly is built to match factory dimensions and fitment for many late-1990s and early-2000s GMC trucks and SUVs. Confirm the OEM part numbers or compare the housing shape with your existing lamp before ordering to ensure compatibility.

• Fits: 1999–2006 GMC Sierra 1500/2500 and 2001–2006 Sierra HD series
• Also fits: 2000–2006 GMC Yukon and Yukon XL 1500/2500
• OEM part numbers referenced: 1221-0060R/L, 114-00955AR/114-00956AL, 15850351/15850352, 2502188/2503188

How easy is installation and what does "plug and play" mean here?

"Plug and play" indicates the assembly uses the same mounting points, clips, and connector styles as the original equipment, so most installs require no modifications. A basic set of hand tools and standard automotive experience are typically enough to swap the lamp in and out.

• Direct-fit: mounts into existing factory holes without drilling
• Electrical: uses standard connectors compatible with original wiring harness
• Time: most replacements complete within an hour per side for experienced DIYers

What are the construction and weatherproofing features?

The housing is made from UV- and wear-resistant plastics with a high-transparency lens and enhanced sealant between lens and housing. KUIPERAUTO performs vacuum testing to meet IP67-level protection, reducing fogging and preventing water intrusion under normal driving conditions.

• Materials: durable, UV-resistant plastic housing and clear lens
• Seals: high-permeability sealant for dust and moisture resistance
• Testing: vacuum-inspected and SAE/DOT compliant for road use

How does the beam pattern perform and are bulbs included?

This assembly uses updated reflectors and chrome finish to create a defined cutoff line that improves forward visibility while minimizing glare for oncoming drivers. KUIPERAUTO supplies halogen high/low beam bulbs (9005 and 9006); turn/signal bulbs like the 3157A are not included and must be installed separately if needed.

• Included bulbs: halogen 9005 (high) and 9006 (low)
• Non-included: turn signal/parking bulb (3157A) must be sourced separately
• Optics: chromium plating and reflector design for even illumination and cutoff control

Who is this for: This KUIPERAUTO headlight assembly is aimed at owners of compatible GMC Sierra and Yukon vehicles who need a reliable, factory-fit replacement without aftermarket modification. It suits DIY mechanics, independent repair shops, and anyone seeking to restore factory appearance and safe road lighting with upgraded sealing and tested durability. Always verify fitment against your vehicle's year, model, and part numbers before purchase.