Upstream & Downstream Oxygen Sensor For Nissan Altima V6-3.5L 2349148 4 Pcs

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: 2349148/2344985/2344986 Fitment: for Nissan Altima V6-3.5L 2015-2018 for Nissan Maxima V6-3.5L 2016-2019 for Nissan Murano V6-3.5L 2015-2019 for Nissan Pathfinder V6-3.5L 2015-2019 for Infiniti QX60 V6-3.5L 2015-2019 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:4 Pcs Oxygen Sensor