This blue plastic thread on radiator cap is brand new never installed .

According to manufacturer catalogue it will fit:

1994 Corrado-Eurovan-Jetta-Golf-Passat

1993 Eurovan-Corrado-Golf-Jetta-Passat

1992 Corrado-Golf-Jetta-Passat

1991 Corrado-Golf-Jetta-Passat

1990 Corrado-Passat-Golf 2.0L-Jetta 2.0 L