Prosecutors say Kai Domingo-McPeters facilitated the shooting where bullets hit Khilee Martin in both legs.
It happened near a northwest Fresno playground five months ago.
Prosecutors say Domingo-McPeters was the driver and he got jumped into a gang afterward.
Police also arrested a 17-year-old who is accused of being the shooter.
McPeters will serve a two-year sentence for assault with a firearm, plus five more years for doing it to benefit a gang.
He apologized in court Friday morning and cried after learning his punishment.