The important feature to look at when buying bulbs for Chrysler is voltage at 12 V. Remember that 21 W of capacity in lamp is optimal for 2009 year vehicles. Quality factory bulbs in cars with 3.0 motor volume of Chrysler’s production live long enough. Proper functions of turn lights in Chrysler 300 are needed for safe drive. The only possible base type for 300 signals is BAU15S. With changing the whole turn signal in 300 3.0 produced in 2013 you’ll need to find factory dimensions.
You may check if Chrysler 300 turn light works by just changing the lamp. So, choose only BAU15S base type bulbs for 2010 Chrysler 300 and take into account purpose of lamp. One of destroying factors is over 12 V voltage lamp and bulbs having more capacity than 21 W.