ApplicationCompatible for InfinitiQX56V8-5.6 2004-2006 compatible for NissanArmada V8-5.6 2005-2006 compatible for NissanTitan V8-5.6 2004-2006Specification- OEM & Part Number: 234-4835 , 234-5060 , 2344835 , 2345060. - Position: Upstream & Downstream. - Package Include: 4Pcs Oxygen Sensors(Upstream & Downstream) as Pictured. - Condition: brand new. - Warranty: one year warranty for any manufacture defect.Feature- Our oxygen sensors are designed to determine the oxygen content of the exhaust gas and to improve the fuel efficiency of the vehicle. - With high quality materials that ensure improved performance and long lasting durability. - These sensors facilitate easy installation and are corrosion resistant. - Tough and highly efficient oxygen sensor is a must for vehicles used for off road applications. - Our oxygen sensor is one of the good choices that you can include on top of your list. - Our top quality oxygen sensors can boost the optimum capacity of your car.NotePlease check OE# with listed pictures above and make sure it fits you vehicle.