Note: Z-OFFROAD led headlights are polarity sensitive, please flip the plug 180° around and replug it again if any lights didn't work/come on. **The headlight instruction is in the box, please do READ it first for smooth installation.
Compatibility: Z-OFFROAD LED headlight assemblies are compatible with 03-06 Chevy Silverado 1500 2500 3500 & HD; 07 Silverado 1500 2500 3500 & HD Classic; 03-06 Chevy Avalanche 1500 2500 (except Factory Body Cladding)
The First Integrated LED Headlights: The all-In-One creative optic design combined with 5 Practical Lighting Functions - High Beam, Low Beam, Turn Signals, Side Markers, and DRL. [High Beam: 168W@9400LM/Set, Low Beam: 108W@5000LM/Set] Provide you with 600% brighter than stock halogens and 4 times brightness of other ordinary LED bulbs.
Exclusive "Z" Shaped Beam Pattern: Our led headlights are designed with a scientific and clear "Z" cut-off line, providing you with a proper lighting area and distance, which will not blind oncoming traffic to keep you safe.
More Excellent IP67 Waterproof Performance: Compared with the housings with holes in the market, our headlights utilize a compact integrated design, built with strong adhesive and 8 one-way breathing valves to prevent moisture in all extreme weather conditions with no corrosion or fogging.
Truly Hassle-Free Installation Plug N Play: Our headlight kit comes with all the necessary parts you need to install, no need to buy extra bulbs and wiring harnesses. 100% alignment with no gaps, no wiring cutting, and modification needed.
50,000hrs Longer Lifespan: Fully sealed heavy-duty housing, high-intensity led chips, and shatterproof & anti-yellowing PC lens to ensure long-term stable usage, avoiding frequent replacement.
OEM Part Numbers: 10396913, 10366038, 15199556 15199557 10366037 10366038；Parkslink Number: GM2520185 GM2521185 GM2502224 GM2503224

Product description

Z-OFFROAD Brand New Cateye LED Headlights Assembly

All-In-One LED Integrated Headlights- Say Goodbye to Frequent Bulb Replacement. Save time, money, and effort by using our headlights.
Combined with 5 Practical Lighting Functions- High Beam, Low Beam, Amber Turn signals, Daytime Running Lights, and Side Marker Lamps, works perfectly for different driving environments.
Sharp & Clear ' Z ' Shaped Cutoff Beam Pattern, providing you with a proper lighting area and distance. No longer blinding oncoming traffic with bulbs in halogen housing.
Amazing Brightness makes the road so visible at night, 6 Times brighter than stock halogen bulbs. These lights provide better vision and powerful projections for drivers to see the deer or other obstacles at night in advance.
Direct-fit Easy Installation, Height Adjust available, no wiring cutting, and modification needed.
Real DOT SAE Approved Headlights, Legal on the road.
Compatible with: 2003 2004 2005 2006 Chevy Silverado 1500 2500 3500 & HD; 2007 Silverado 1500 2500 3500 & HD Classic; 2003-2006 Chevy Avalanche 1500 2500 (except Factory Body Cladding)

When do you need to replace the headlights？Driving at night is already a very complicated driving. So if you got any issue with your headlights, it will undoubtedly make the driving situation worse. Check the current headlights of your vehicle in time and replace them to Z-OFFROAD LED if they are dimmed or even not bright. This is not only to protect yourself but to protect others in kindness.