2008-2014 O2 Oxygen Sensor 234-4668 Upstream 234-4256 Downstream Compatible for Cadillac Escalade, for Chevrolet Avalanche/Silverado/Suburban/Tahoe,

2008-2014 O2 Oxygen Sensor 234-4668 Upstream 234-4256 Downstream Compatible for Cadillac Escalade, for Chevrolet Avalanche/Silverado/Suburban/Tahoe,

Compatible Models: This upstream and downstream O2 oxygen sensor set is fit for Cadillac Escalade 09-14 and Escalade ESV/EXT 6.2L 09-13, fit for Chevrolet Avalanche 5.3L/6.0L 08-13, Silverado 1500 4.8L/5.3L/6.2L 08-12, Silverado 1500 6.0L 08-09, Silverado 2500/3500 HD 6.0L 08-12, Suburban 1500 5.3L/2500 6.0L 08-13, Suburban 6.0L 08-09, and Tahoe 4.8L/5.3L/6.2L 08-13, fit for GMC Sierra 1500 4.8L/5.3L/6.2L 08-12, Sierra 1500 6.0L 08-09, Sierra 2500/3500 HD 6.0L 08-11, Yukon 4.8L 08-09, Yukon 5.3L/6.2L 08-14, Yukon XL 1500 5.3L/6.2L 08-14, Yukon XL 1500 6.0L 08-09, and Yukon XL 2500 6.0L 08-11. Please verify your vehicle model and engine specifications before purchasing to ensure proper fit. OE Part Numbers: 13779, 15133, 15152, 15155, 15156, 15159, 15161, 15200, 15201, 15284, 15564, 15698, 18142, 21048, 21066, 21546, 213801, 2133866, 2134229, 2344342, 2344347, 2344651, 2344668, 12559849, 12561777, 12562621, 12567163, 12567497, 12569429, 12570149, 12572772, 12573005, 12573167, 12573168, 12574924, 12575389, 12576131, 12580827, 12583290, 12583804, 12583806, 12584925, 12587785, 12590594, 12590790, 12594452, 12596558, 12596701, 12596740, 12597878, 12607410, 12608662, 12608693, 12608712, ES20007, ES20013, ES20094, ES20320. Please check your old part numbers to ensure correct compatibility. High-Quality Material: This O2 sensor is made with advanced manufacturing processes and high-quality materials, offering excellent resistance to high temperatures, vibrations, and corrosion. It effectively detects oxygen levels, helping to optimize fuel combustion, improve fuel efficiency, and reduce harmful emissions. The sensor performs reliably even in high-temperature or humid environments. Enhanced Durability: This O2 sensor is made with high-temperature, high-pressure, and corrosion-resistant materials. Its robust design can withstand harsh driving conditions. Even under high temperatures, moisture, or frequent vibrations, it continues to perform reliably, ensuring your vehicle’s emission system operates efficiently over time and minimizing the risk of performance degradation due to sensor wear. Easy Installation: Designed to meet your extant specifications, this oxygen sensor is easy to install, enabling quick replacement of the old sensor, saving time on repairs and making vehicle maintenance more convenient for both owners and technicians. Compatible Models: This upstream and downstream O2 oxygen sensor set is fit for Cadillac Escalade 09-14 and Escalade ESV/EXT 6.2L 09-13, fit for Chevrolet Avalanche 5.3L/6.0L 08-13, Silverado 1500 4.8L/5.3L/6.2L 08-12, Silverado 1500 6.0L 08-09, Silverado 2500/3500 HD 6.0L 08-12, Suburban 1500 5.3L/2500 6.0L 08-13, Suburban 6.0L 08-09, and Tahoe 4.8L/5.3L/6.2L 08-13, fit for GMC Sierra 1500 4.8L/5.3L/6.2L 08-12, Sierra 1500 6.0L 08-09, Sierra 2500/3500 HD 6.0L 08-11, Yukon 4.8L 08-09, Yukon 5.3L/6.2L 08-14, Yukon XL 1500 5.3L/6.2L 08-14, Yukon XL 1500 6.0L 08-09, and Yukon XL 2500 6.0L 08-11. Please verify your vehicle model and engine specifications before purchasing to ensure proper fit.