Kwiksen Heated 2Pcs O2 Oxygen Sensor Upstream Downstream For 234-4094 234-4727 1999 2000 2001 2002 2003 2004 Honda Odyssey 3.5L PART NUMBER:234-4094 x1, 234-4099 x1 COMPATIBLE WITH OEM: SG1860, 13075, ES20141, SG336, 13678, ES20322 IFront and rear sensor for 1999-2004 Honda Odyssey V6-3.5L This is Brand New & High Quality Aftermarket Product service with Laser weld and Viton sealing system,Meet the professtional specification as OEM parts, for stable performance & durable Please check the description or use the year/make/model drop down bar and interchangeable part numbers to confirm the compatibility before purchase