O2 Oxygen Sensor Set; Upstream (13-15 4.0L Frontier)Find parts that fit my vehicle

Precision Replacement Sensors. The O2 Oxygen Sensor Set; Upstream provides critical monitoring of oxygen levels in your vehicle's exhaust system to ensure optimal engine performance and emissions control. These sensors are installed between the engine and the catalytic converter to deliver accurate readings to the engine control unit. Proper functioning sensors help maintain fuel efficiency and reduce harmful exhaust emissions.

Construction and Appearance. Manufactured using premium materials, these oxygen sensors feature a double-layered 310S stainless steel housing for enhanced protection against moisture and contaminants. The sensors are isostatically pressed and plasma-sprayed to improve durability and sensor sensitivity, ensuring a long service life and consistent performance under harsh conditions.

Installation. Designed for direct bolt-in replacement, installation is straightforward without the need for drilling or modifications. Basic mechanical skills and standard tools are sufficient, though resetting the vehicle’s computer system after installation may be necessary to ensure correct operation.

Warranty. Covered by a limited lifetime warranty, these sensors will be replaced free of charge if they fail due to manufacturing defects during intended use.

Application. Specifically fits the 2013 through 2015 model years of the 4.0L Nissan Frontier engine configuration.

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