I bought it on January 4th, 2019. They have replaced some very old Philips HIDs. These new RCP bulbs were very bright and the color was white and even. Up until tonight there really weren't any complaints. On the way home, the parking light on the driver's side went out. The failure, of course, caused the headlight failure icon to light up on my dash. I saved my old Philips lightbulbs so I installed one to bring home. I hope the guarantee stays! loved her to death Update: This is the seller's response when I tried to make a warranty claim. They say the store is closed but I can order more lamps from them. Thank you for your letter. Since our Amazon shop is closed, we cannot send you a replacement. And we are also not authorized to issue a refund. To help you solve the problem. Could you contact Amazon to request a refund so you can buy other d1s bulbs? I hope you find it useful. :) Sincerely, RCP Customer Service
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