Application Compatible for Infiniti QX56compatible for V8-5.6 2004-2006 compatible for Nissan Armadacompatible for V8-5.6 2005-2006 compatible for Nissan Titan compatible for V8-5.6 2004-2006 Specification Position: Upstream & Downstream Reference OEM :234-4835, 234-5060 Package Include: 4 Pcs Oxygen Sensors (Upstream & Downstream) as Pictured Feature- Our oxygen sensors are designed to determine the oxygen content of the exhaust gas & to improve the fuel efficiency of the vehicle. - With high quality materials that ensure enhanced performance & long lasting durability. - These sensors facilitate easy installation & are corrosion resistant. - Tough & 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 finest top quality oxygen sensors can boost the optimum capacity of your car. Note- Please check OE with listed pictures above & make sure it fits you vehicle. -...