Set of 4 Oxygen O2 Sensor Upstream Downstream Replacement for Chevy Silverado 1500 2500 3500 Tahoe 2008-2012, for GMC Yukon XL Sierra 1500, for Cadillac Escalade
Fitment - Partselect 2* 234-4668 Upstream & 2* 234-4256 Downstream Oxygen Sensor Replacement for Chevy Silverado 1500 2008-2013, for Chevy Silverado 2500 / 3500 HD 2008-2011, for Chevy Tahoe 2008-2012, for Cadillac Escalade 2009-2012, for GMC Yukon 6.2L 2008-2012, for GMC Sierra 1500 2008-2012
Shopping Tips - Part Number: 234-4668, 213-4229, 234-4256, 234-4407, 213-3866, 12569429 (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).
Product Specification - Package Includes 4 x Oxygen Sensor, Terminal Gender--Female, Male, Pin Quantity--4, Wiring Harness Length: 234-4668: 15.75 inch, 234-4256: 15.75 inch , Type: Heated, Mounting style: Threaded-in.
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.