Partsam White T10 921 912 High Power Cree Chip Smd Led Backup Reverse Bulbs For Toyota 4Runner 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 Interchange Part Number: 921,912,T15,T10,194,168 etc;Color: White; Voltage & Wattage: 12V 5W;Easy installation, just plug & play IMPORTANT NOTICEPlease make sure your car circuit is working well before installation, as the bulbs will be burn may occur if there is a current spike or volte leak in your vehicle after the new bulb installed, it is not the issue of Partsam product quality IMPORTANT NOTICEIf you are not sure your socket type ck or standard , please use the keyword (CK or Standard Test) on youtube ,the video will show you how to test the socket.( please check before placing an order , Our bulbs come with Standard Base(SK Type), NOT CK Type, put standard bulbs into CK type sockets , the bulb will not work or only the amber turns on while the white doesn't, also POP THE FUSE may occur.-- Most TOYOTA vehicle use CK socket. IMPORTANT NOTICE(1)Don't forget Risistors if flashingBlinking or Code error problems occurrs!!!(2)If you bulb does not light or occurrs blinker, please check if your relay is broken and whether your socket is senescent or not.!!!(3)For 7443 and 3157,please raise the pin when installing the bulbs if your bulb does not light or occurrs blinker Fit for 2001-2013 TOYOTA 4Runner; Made by high quality aluminum alloy housing can + virtually unbreakable PMMA Lens. Aluminum alloy shell acts as radiant heat sink, ensure the secure temperature range.