Specifications: TypeOxygen Sensor Length (Sensor to Lead)780mm,450mm Interchange Part Number: 234-4066,234-4668Fitments: for 2001-2003 Buick Century 3.1L for2002-2004 Buick Rendezvous 3.4L for2005-2007 Chevrolet Cobalt 2.0L for2007-2010 Chevrolet Cobalt 2.2L for2007-2011 Chevrolet HHR 2.2L for2009-2011 Chevrolet HHR 2.4L for2001-2004 Chevrolet Impala 3.4L for2001-2004 Chevrolet Monte Carlo 3.4L for2001-2004 Chevrolet Venture 3.4L for2001-2003 Oldsmobile Silhouette 3.4L for2001-2004 Pontiac Aztek 3.4L for2007-2009 Pontiac G5 2.2L for2001-2003 Pontiac Grand Prix 3.1L for2001-2004 Pontiac Montana 3.4L for2005-2007 Saturn Ion 2.0L for2007 Saturn Ion 2.2L for2002 Saturn L100 2.2L for2002-2003 Saturn L200 2.2L for2004 Saturn L300 2.2L for2002-2003 Saturn LW200 2.2L for 2002-2003 Saturn Vue 2.2LNote :Before buying, please check the note, color, position, year make model. Please make sure to match the exact part numbers between this part and the part that you are replacing. Contact your mechanics, or send us a message to make sure it matches exactly in case of doubt before purchasing. If one does not match, please do not buy it.Package Includes: 2 pcs Oxygen Sensor Return Policy All of our items come with a 30-day free return policy. If you need to return, please contact us, let us know the detailed problem and send us some pictures for confirmation. We reserve the right to refuse any returns for objective reasons. Shipping Policy All of our items are shipped free with tracking numbers. Orders will be shipped within 3 working days upon receipt of payment. Most orders will be shipped within 1 working day. In most cases, shipping takes 8-12 working days.