Feature: Resolve high fuel consumption, power loss, by replacing your worn-out sensor. Enjoy a smoother drive engine efficiency. This sensor delivers critical oxygen-level data to your car's computer (ECU), enabling it to constantly adjust the air-fuel ratio for maximum fuel efficiency Engineered with a durable body and an anti-corrosion connector to reliably withstand high-temperature. This is a non-OEM product, accessory only! Specification: Material: Metal, Plastic Installation Position: Upstream & Downstream OE Number: 250-241107/250-54105/250241107/25054105 Fitment: for Nissan Armada 2019-2019 for Nissan NV2500 V8 5.6L 2018-2021 for Nissan NV3500 V8 5.6L 2018-2019 for Nissan Rogue Sport L4 2.0L 2017-2021 for Nissan Sentra L4 1.8L 2013-2017 for Nissan Titan V8 5.6L 2017-2019 for Nissan Titan XD V8 5.6L 2016-2019 for Infiniti QX80 Base/ Limited2016-2016 for Infiniti QX80 Base/ Limited 2017-2017 for Infiniti QX80 Base 2018-2018 for Infiniti QX80 2019-2020 Professional installation: Disconnect battery for safety. Find sensor on the pipe; disconnect wiring. Spray threads with penetrant; remove with sensor socket wrench. Hand-tighten new sensor, then secure with a wrench. Reconnect wiring and battery to complete. Package included:2 Pcs Oxygen Sensor