RED stop tail bulb T20 wedge for clear rear lights 3157 12 lamp 5w 21w car auto
T20 Wedge ( 3157 ) 12V 21w / 5w. 3157 / T20 large Wedge. You can see in the picture this bulb is the 3157 and is larger than the 7443 type. If you are not sure which one is correct buy the 7443 as it will work in both applications.