Oxygen Sensors see listing lots of compatable vehicles: in Emerald Park, Saskatchewan for sale

Hi, I bought new O2 (oxygen sensors) for my 2004 Pontiac Sunfire, but it turns out it was the catalytic converter that was faulty. It has been replaced and the car runs awesome. So now I have these two brand new O2 sensors which have never been installed and I cannot return.
New they run about $100 each on average.. one is more costly than the other (I think the downstream is $10 more than the upstream one). I am willing to sell these off for $55 each.
upstream fits:
2002 CAVALIER 2.2L
2002 ALERO 2.2L
2002 GRAND AM 2.2L
2002 SUNFIRE 2.2L
2002 VUE 2.2L
2003 CAVALIER ALL TYPES
2003 ALERO 2.2L
2003 GRAND AM 2.2L
2003 SUNFIRE ALL TYPES
2003 ION ALL TYPES
2003 VUE 2.2L
2004 CAVALIER ALL TYPES
2004 chev CLASSIC ALL TYPES
2004 MALIBU 2.2L
2004 ALERO 2.2L
2004 GRAND AM 2.2L
2004 SUNFIRE ALL TYPES
2004 ION ALL TYPEs
2004 VUE 2.2L
2005 CAVALIER ALL TYPES
2005 Chev CLASSIC ALL TYPES
2005 COBALT 2.0L
2005 MALIBU 2.2L
2005 SUNFIRE ALL TYPES
2005 ION 2.0L
2005 VUE 2.2L
2006 COBALT 2.0L
2006 MALIBU 2.2L
2006 ION 2.0L
2007 COBALT 2.0L
2007 ION 2.0L
Downstream:
2005 Cavalier All
2005 Grand Am GT Coupe 2-Door 3.4L
2005 Grand Am GT1 Coupe 2-Door 3.4L
2005 Grand Am SE Sedan 4-Door 3.4L
2005 Sunfire All All
2004 Chevrolet Cavalier All All
2004 Sunfire SE Coupe 2-Door 2.2L
2004 Sunfire SE Sedan 4-Door 2.2L
2003 Cavalier All
2003 Sunfire All
2002 Cavalier Base Coupe 2-Door 2.2L
2002 Cavalier Base Sedan 4-Door 2.2L
2002 Cavalier LS Coupe 2-Door 2.2L
2002 Cavalier LS Sedan 4-Door 2.2L
2002 Cavalier LS Sport Coupe 2-Door 2.2L
2002 Cavalier LS Sport Sedan 4-Door 2.2
2002 Cavalier Z24 Coupe 2-Door 2.2L
2002 Cavalier Z24 Sedan 4-Door 2.2L
2002 Sunfire GT Coupe 2-Door 2.2L
2002 Sunfire SE Coupe 2-Door 2.2L
2002 Sunfire SE Sedan 4-Door 2.2L
contact me with any question. thanks for reading my book.