Enyimba makes it double over TS Galaxy of South Africa in Mbombela.
The people elephant went into the return leg fixture with a 2-0 lead in the first leg in Aba.
The visitors book their place in the group stage courtesy of two goals from Daniel Darkwah and Usele Martin’s with the host pulling one back to make 2-1.
The other Nigeria CAF representative, Enugu Rangers also book their place in the group stage with a 1-0 victory against ASC Kara of Togo at the Nnamdi Azikiwe Stadium in Enugu.
The flying Antelope lost the first leg 2-1 in Lome but progress to the group stage on 2-2 aggregate courtesy of Chinonso Eziekwe 17th minutes goal.
It will be second consecutive season Nigeria will be having two clubs in the group stage of the CAF games after Lobi Stars and Enugu Rangers make it to the group stage of 2019 CAF champions league and Confederation Cup.