TGP 3156 White 64 LED SMD Wedge Reverse / Backup Light Bulbs and License Plate LED Pair 1999-2006 Ford F250 F350 F450 F550 Super Duty Content: 3156 64 LED SMD Reverse Light Pair and T10 9 LED SMD License Plate Light Pair Color: White Dimension: 41x15mm Reverse Light / 29x11mm License Plate Light Bulb Important: Check dimension to make sure these LED's will fit housing. Note: LEDs can be polarity sensitive. If you install these LEDs and they are not working, please flip them around and re-install them and you will be fine.