Replacement Oxygen Sensor - Compatible with Buick, Cadillac, Chevy, GMC, Isuzu, Pontiac and Saturn Vehicles - Enclave, Escalade, Impala, Silverado 1500, Sierra, Yukon, Outlook - Replaces 234-4668
Replacement Oxygen Sensor - Compatible with Buick, Cadillac, Chevy, GMC, Isuzu, Pontiac and Saturn Vehicles - Enclave, Escalade, Impala, Silverado 1500, Sierra, Yukon, Outlook - Replaces 234-4668 Replacement Oxygen Sensor - Sometimes referred to as O2 or Lambda Sensor measures the amount or proportion of oxygen mixed in the fuel of your vehicle which is essential in the proper operation of your catalytic converter. The vehicle then determines whether it is necessary to adjust for it perform properly. Fits The Following Vehicles - 2008 Enclave | 2005-2009 LaCrosse 3.8L | 2007-2008 Lucerne 3.8L | 2005 Rainier 5.3L | 2007 Rendezvous | 2004-2005 CTS 5.7L | 2008-2014 Escalade, ESV | 2008-2013 Avalanche | 2011 Caprice | 2004 Corvette | 2005-2007 Equinox | 2011 HHR | 2006-2009 Impala 3.9L | 2008-2009 Silverado 1500 4.8L | 2007-2012 Silverado 2500 HD 6.0L | 2005 SSR, Trailblazer EXT 5.3L | 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2013, 2014 Suburban 1500 | & more. Replace