Compatibility: 2004 Nissan Frontier 3.3L 2004 Nissan Xterra 3.3L Q&A: Q:What is Differences Between upstream and downstream O2 Sensor? .
Upstream Oxygen Sensor Upstream 234-5139 for BMW 328i 330xi 330i 335i xDrive
234-5177 Upstream Oxygen Sensor Upstream 234-5177 for 2015-2017 F-150 King Ranch
4X Oxygen Sensors (2x Upstream&2x Downstream) for
Upstream Oxygen Sensor For 2003-2009 Acura RSX 2.0L Honda CR-V Element 2.4L
1x 234-5138 Upstream Oxygen Sensor for BMW 323I L6-2.5 2011-2010 Cylinder 4,5,6
