O2 Oxygen Sensor Upstream and Downstream for Chevy Avalanche Silverado Suburban Tahoe 2008-2014, for GMC Sierra Yukon XL 1500 08-12, for Cadillac Escalade 2008-2014, Replace 234-4668 234-4256 4Pcs

APPLICABLE MODELS - Oxygen Sensor Upstream and Downstream for Chevy Avalanche Silverado 1500 2500 3500 HD Suburban 1500 2500 Tahoe 4.8L 5.3L 6.0L 6.2L 2008-2014, for Cadillac Escalade 6.0L 2009-2012 Escalade 6.2L 2008-2014, for GMC Sierra 1500 2500 3500 HD Yukon 4.8L 5.3L 6.0L 6.2L 2008-2012 Yukon XL 1500 5.3L 6.0L 6.2L 2008-2012. NOTE - Please enter your specific vehicle model before purchasing the oxygen sensor and confirm that the o2 sensor connector is exactly the same as your old part. Oxygen sensor replace 234-4668, 234-4256, 213-4229, 234-4407, 213-3866, 12590790, 12607410, 12609001, 12569429, 12573005, 12573167, 12576131, 12583290, 12583804, 12584925, 12587785, 12611127, 12609457, 12611165, 92457789, 8125731670. INTERNAL AND EXTERNAL DESIGN - JOYOMSTW oxygen sensor built-in heater accelerates ignition and improves fuel efficiency; Built-in white ceramic up to 650 ℃; OEM chip improves accuracy; The breathable membrane ensures that the sensor can be insulated. ADVANTAGES - JOYOMSTW oxygen sensor is made of stainless steel and other materials, which can effectively detect the oxygen content. Timely replacement can improve engine performance and save fuel; connector and play, easy to install. IMPORTANCE - If the oxygen sensor fails, the fuel injection system cannot obtain relevant information, which will increase fuel consumption. The engine has unstable idle speed, misfire and other faults, the o2 sensor should be replaced in time