I took my Tahoe to the dealership to have the low beam headlights replaced because 1 was out. Was told it would be $120 per headlight. After waiting an hour, the rep told me it would be $343 per headlight or $686 for the job. I said NO WAY & asked for my car to be returned.
I searched the Internet to find the OEM replacement lamps & found LED Headlights had a price of $83 (including a 5 year warranty) for a SET of new D3S HID bulbs. When I received the bulbs 3-days later, they were exactly what I needed.
Since I’d never changed the bulbs before in the LTZ Tahoe, I looked at a couple YouTube videos. The drivers side took me 7 minutes to replace new with old. The passengers side, a little more complex, took me 25 minutes.
Both new headlight bulbs, including the square bases, were exact copies of the old bulbs. When I finished the installation, I turned on the headlights & presto - the pair of headlights were perfect. This 1/2 hour of work & LED Headlights saved me $600.