Passenger Side Replacement Turn Signal/Parking Light Lens and Housing (GM2521104) by Replace®. Clear lens. With Black Trim. Location: under headlights. You need all your lights to be functional for safe driving, to see the road and be seen by other drivers. Don’t drive with broken or missing lights and endanger yourself and your passengers because of the high cost of a replacement. The Replace turn signal/parking light is a direct replacement for the original equipment (OE) part but costs much less. You get OE quality without the OE price.