Brand BLPextrm Material Stainless Steel Style Modern Mounting Type Flange Mount Output Type Analog Specific Uses For Product Oxygen Sensor ?Fitment?Oxygen O2 sensor Compatible with 2007 Cadillac Escalade 6.2L, 2007 Cadillac Escalade ESV 6.2L,2007 Cadillac Escalade EXT 6.2L,2007 Chevy Avalanche 5.3L/6.0L, 2007 Chevy Silverado 1500 4.3L,2007 Chevy Silverado 1500 Classic 4.3L, 2007 Chevy Suburban 1500 5.3L/6.0L,2007 Chevy Tahoe 4.8L/5.3L,2007 GMC Sierra 1500 Classic 4.3L,2007 GMC Yukon 6.2L/4.8L/5.3L Please check your car information with compatible garage (make, model and trim level) and OEM number before purchasing. ?Replaces Part Number? 234-4018 234-4112 234-4337 234-4087 25161130 25161131 25164983 25312196 AFS123 AFS98 AFS97 ES20002 234-4087 13444 12578459 12587214 19178921 19178924 SG277 250-24018 25312203 25315373 5S3120 13474 21539 ES20000 2344018 19178116 19178945 251313961 25161128 SU1293 SG272 25163080 25164488 25312194 25312201 ?Material and Technology?The oxygen sensor is made of high-temperature materials and has a double layer, capture layer, PTFE and stainless steel shell. The double laser welded stainless steel body is completely immersed in water and sealed in water. ?Oxygen Sensor Function?The oxygen sensor can accurately detect your vehicle, ensure that the engine is continuously monitored and runs efficiently, and at the same time maximize performance, improve vehicle fuel economy, help the engine run smoothly and reduce noise. ?Tip?Package Includes--4 x Oxygen Sensor, Bank 1 Sensor 1=Upstream Right/Rear; Bank 2 Sensor 1=Upstream Left/Front; Bank 1 Sensor 2=Downstream Right/Rear; Bank 2 Sensor 2=Downstream Left/Front; sensor 1=Upstream, sensor 2=Downstream.