Introducing the Upstream O2 Oxygen Lambda Sensor specially designed compatible with Altima, Armada, and Pathfinder models. This sensor, part number 250-54037, is a crucial component compatible with monito and optimizing your vehicle's air-fuel io to ere peak perforce and fuel efficiency. With its precise enginee and durable construction, this sensor provides cue readings to help your engine run ly and effectively. Easy to install and compatible with various models, this Upstream O2 Oxygen Lambda Sensor is a reliable choice compatible with maintaining your vehicle's perforce s. Upgrade your Altima, Armada, or Pathfinder with the 250-54037 Upstream O2 Oxygen Lambda Sensor and experience enhanced driving experience and efficiency like never before. : Upstream O2 Oxygen Lambda Sensor designed specifically compatible with Altima, Armada, and Pathfinder models. Precise compatible with: Engineered to seamlessly compatible with into your vehicle's system compatible with optimal perforce. Reliable Perforce: Eres cue measurement of oxygen s to maintain fuel efficiency and reduce emissions. Easy Installation: Straightforward installation process compatible with hassle- repent. Compatibility: Compatible with various models, incling Altima, Armada, and Pathfinder, compatible with versatile use.