O2 Oxygen Sensor Upstream and Downstream for Chevy Suburban Silverado 1500 2500 3500 HD, for GMC Sierra Yukon XL, for Cadillac Escalade, H2 6.0L V8 2003-2006, Replace 234-4669 234-4407 4Pcs

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• APPLICABLE MODELS - Oxygen Sensor Upstream and Downstream for Chevy 6.0L V8: 2007 Classic Silverado 1500 / 2500 HD / 3500, 2003 2004 Silverado 2500, 2005-2007 Silverado 2500 H , 03-06 Silverado 3500, 07 Silverado 3500 HD, 03-06 Suburban 2500 ; for GMC 6.0L V8: 07 Classic Sierra 2500 HD / 3500, 03 04 Sierra 2500, 05 06 Sierra 2500 HD, 03-06 Sierra 3500, 07 Sierra 3500 HD, 03-06 Yukon XL 1500 / 2500 ; for Cadillac Escalade EXT 03-06, H2 6.0L V8
• 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 234-4669, 2344669, 12572705, 12600893, 12611870, 12617332, 213-1161, 2131161, 15282, OS1820, 21549, ES20008, 19107300, 213-3824, 2133824; 234-4407, 2344407, 253-33812, 25333812, 5S4280, 21514, 213-1148, 2131148, SG827, SU1478, 13178, 15895
• 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