Compatibility: 1998-2001 BMW 750iL 5.4L 2000-2003 BMW X5 4.4L 2002-2003 BMW X5 4.6L Q&A: Q:What is Differences Between upstream and downstream O2 Sensor? .
2PCS Upstream & Downstream Oxygen Sensor For Acura ILX 2.0L 234-9119+234-4350
2PCS Upstream & Downstream Fits 97-1999 Mercury Tracer 2.0L O2 02 Oxygen Sensor
2pcs Upstream & Downstream Fits 2014 Chevrolet Caprice 6.0L 02 Oxygen O2 Sensor
2pcs Upstream & Downstream for 2000-2005 Toyota MR2 Spyder 1.8L O2 Oxygen Sensor
2pcs Upstream & Downstream Oxygen O2 02 Sensor For 2002-2004 Kia Spectra 1.8L
2PCS Upstream & Downstream for 2000-2001 Mercury Cougar 2.0L O2 02 Oxygen Sensor
