envoy headlights

do the envoy headlights fit right were the sonoma head lights are w/o modification or do you have to buy the whole front end? I wanna get some new headlights for my friends birthday because his headlights are turning all yellow.

The envoy headlights fit perfect if it's a 98-02. You have to have a rad. support if it's 94-97.

He has a 01 sonoma. So basically all i have to do is take the old ones out and put the envoys in. thanks.