Kwiksen Oxygen O2 Sensor 234-4308 Upstream For 2003 2004 Infiniti FX35 FX45 M45 Q45 Nissan 350Z Pathfinder COMPATIBLE WITH OEM: 234-4308 Length (Sensor to Lead): 560mm/ 22.05inch. Wires: 4 Meet the professtional specification as OEM parts, for stable performance & durability Warranty: 1 year unlimited miles. Please check the description or use the year/make/model drop down bar and interchangeable part numbers to confirm the compatibility before purchase.