depends on application: screw plug for transmission housing, axle drive, converter, parking lock, transfer case housing

1-?

4HP22, 4HP20Q
5HP18
5HP24, 5HP24A
5HP19, 5HP19FLA
6HP26, 6HP26X, 6HP26A61
6HP28, 6HP28X, 6HP28A61
6HP32
6HP280X