Set of 4 Oxygen O2 Sensor Upstream Downstream Replacement for Chevy Silverado Suburban, for Cadillac Escalade, for GMC Sierra 1500 2500 HD 6.0L 2003 2004
Fitment - Partselect 2* 234-4669 Upstream & 2* 234-4407 Downstream Oxygen Sensor Replacement for Cadillac Escalade ESV 2003-2004, for Chevrolet Silverado 1500 2500 3500, for Suburban 2500, for GMC Sierra 1500 2500
Shopping Tips - Part Number: 234-4669, 12572705, 12600893; 234-4407, 25333812 (Before purchase this oxygen sensor, try using "amazon confirmed fit" to select your car model to see if it fits. Please check the year/make/model drop down bar and OE part numbers to confirm).
Designed Advantage - ALL PARTSELECT oxygen sensor is made of stainless steel and other materials, which can effectively detect the oxygen content in it. It is rugged, to ensure long-term stable performance, improve vehicle fuel economy, help engine smooth operation.
Problem Solving - Why do you need to replace the oxygen sensor? A faulty oxygen sensor can lead to 1) Vehicle engine indicates a fault; 2) unstable idling; 3) lack of engine power; 4) sluggish acceleration; 5) black smoke coming out of the ducts. Replacing with Partselect oxygen sensor will help with these issues.