Yes. the cab and beds on full size Chevy trucks are the same from 1973 to 1987.
A direct bolt on, no.
the cab filter is behind the glove box
4x6"
No it will not it is all different, It won't even match up with the cab.
eat it
1960-66,1967-72,1973-87,1988-98,1999-02,
Yes it is all the same.
NO it will not work. Everything is different. Cab mounts, body weith, ECt.
4x6
Yes, It will fit right on there.
22
that is a light duty truck.