MarsAuto H4/9003 LED Fog Light Bulbs - Super Bright 800% Xenon White, Plug & Play with Cooling Fan, Direct Fit Replacement (Pack of 2) - Perfect for Off-Roading, Night Driving & Bad Weather Visibility

3rd Gen Technology Previous page Next page 1 Bright 2 Perfect Beam Previous page Marsauto's Focus on Lighting Optical Technology Marsauto Prioritizes Product Adaptability Marsauto Prioritizes Product Adaptability Next page 1 No Dark Spots 2 Real 1:1 3 Fits 99% of Cars How to Pick Bulbs & Reasons to Choose Marsauto 1.Check fitments or your stock halogen to determine the model.2. Color Temperature Selection: 5000K-7000K range. Marsauto color temperature: 6500K. This range of color temperature with the daytime sunlight, so that your eyes comfortable. 3. Lumen Selection: 17,000-19,500 range. Marsauto lumens: 18,500 lumens. Too low lumens don't light up the road, too high lumens make you Fatigue. 4. Chips Selection: Latest Generation Marsauto Chip number: double-sided 16 pieces. Choose the bulb with as many chips as possible. More chips for bulbs are the newer products on Amazon Marketplace, quality and brightness double excellent. 5. Size Selection: 1:1 halogen bulb. Masauto size: 100% 1:1 halogen. Not fit the case, at least one-third of the reason is to buy a large base lights lead to close the dust cover. In the case of non-adaptation, at least one-third of the reason is to buy a large base of bulbs resulting in the inability to cover the dust cover. 6. Cooling Selection: fan cooling. Masauto cooling: fan cooling. Try clicking on the model below if this H4 is not what you're looking for H4/9003 Add to Cart 9005/HB3 Buying Options H11/H9/H8 Add to Cart 9006/HB4 Add to Cart Customer Reviews 4.3 out of 5 stars 204 — 2.0 out of 5 stars 1 4.3 out of 5 stars 204 Price $39.99$39.99 — $29.99$29.99 $31.30$31.30 Position Hi/Lo dual beam High Beam 99% Low Beam Usage 99% Low Beam Usage Brightness 18,500 Lumens 18,500 Lumens 18,500 Lumens 18,500 Lumens Color Temp 6,500K 6,500K 6,500K 6,500K Lifespan >60,000hrs >60,000hrs >60,000hrs >60,000hrs Material Aluminum Alloy + PBT Plastic Aluminum Alloy + PBT Plastic Aluminum Alloy + PBT Plastic Aluminum Alloy + PBT Plastic Adjustable Teb ✔ ✔ ✔ ✔ How to Check Fit?

18500LM Brightness Marsauto H4 bulbs , with 16 chips on each side, offer a significant boost in brightness and superior visibility for safer road travel

60,000-hour LifespanThe Marsauto H4 bulb boast a 60,000-hour lifespan, backed by advanced cooling, IP68 waterproofing, and sturdy materials. Enjoy reliable illumination for years of safe driving

Making for a Safer Drive With the Marsauto 9003 bulbs' high luminance, precise beam pattern, and neutral 6500K color temperature, enjoy exceptional visibility in even the harshest weather. This guarantees a safer, more confident driving experience in all conditions

Effortless 5-minute Installation Marsauto 9003 bulbs offer a seamless 5-minute installation. Featuring an adjustable ring and no bulky bottom, they require no extra batteries, ensuring a hassle-free lighting system upgrade for your vehicle

Easy Troubleshooting If the Marsauto H4 bulb doesn't light up, simply reverse the plug. Our polarity design makes identification and correction quick, keeping your bulbs functional