New O2 Oxygen Sensor Pack of 4 - Compatible with Chevrolet Chevy CKTahoeSilverado 1500 GMC CKSierra 1500-2 Upstream and 2 Downstream Oxygen Sensor - Replaces 234-4018 234-4012

?This Part is known to be Compatible with the following vehicles 1996-1998 for Chevy C1500 1996-1998 for Chevy K1500 1999-2002 for Chevy Silverado 1500 1996-1998,2000 for Chevy Tahoe 1996-1998 for GMC C1500 1996-1998 for GMC K1500 2001 for GMC Sierra 1500 ?Note * Please confirm your old part number matches up with one of the part numbers above * Professional installation is highly recommended (No Instruction Included) * Please into the Amazon Garage to check if your vehicle is compatible with the product * For any needs please contact us