Compatibility: 2002-2003 Infiniti QX4 3.5L 2001-2002 Nissan Pathfinder 3.5L Q&A: Q:What is Differences Between upstream and downstream O2 Sensor? .
?Set 2PCS Upstream & Downstream Oxygen Sensor O2 02 For 2002 Infiniti G20 2.0L
2X Upstream & Downstream For 08-2010 Infiniti EX35 3.5L Air Fuel Ratio Sensor
O2 Oxygen Sensor Downstream for Nissan Versa Infiniti FX50 G25 G35 M35 250-24741
Downstream For 2000 2001 Infiniti I30 3.0L Oxygen 02 O2 Sensor 234-4777 Rear
Set 2pcs Upstream & Downstream Oxygen Sensor O2 02 For 2002 Infiniti G20 2.0L
OEM Upstream + Downstream 02 Oxygen O2 Sensor for 1999 INFINITI G20 2.0L
