【Compatible with GMC Sierra 1996-1998 Halogen Headlight Bulb】9005/HB3/H10 is used in high beams and 9006/HB4 in low beams. Fit for 1996 1997 1998 GMC Sierra headlights, pack of 4. 【Saft illumination】Our Sierra halogen headlights have strong transparency in severe weather, including rainy, snowy and foggy days. Effectively reduce your visual fatigue, ensuring safer driving at night. It also can enhance your visibility, but do not dazzle oncoming drivers. 【300% Brighter & Energy Saving】Featuring new chips, each Sierra headlight bulb delivers a remarkable 1200 lumen luminous flux,shining 3 times brighter than the original. Its 6000K white light creates a perfect beam with sharp cut-off lines and optimal patterns.No black spots,flashing or flickering. Compared to original bulbs,it cuts power consumption by 80%,saving energy as it lights up your drive. 【Reliably Durable】Constructed from high-grade base materials, these Sierra bulbs come with a waterproof design and outstanding heat dissipation capabilities. This combination ensures maximum durability, allowing for a remarkable service life of up to 50,000 hours and reducing the need for frequent replacements. 【Superb Performance & Service】Our Sierra halogen bulbs come with a 2-year warranty. Drive with confidence, knowing your GMC Sierra headlights will serve you well for years to come. Our customer service team is available 24/7. If you have any questions, please feel free to contact us at any time. 4pcs compatible with GMC Sierra 1996-1998