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The Gates PCV valve for 2013–2017 Nissan Altima with the 2.5L four‑cylinder is a replacement crankcase vent valve specified for those model years. It evacuates blow-by gases and helps maintain correct crankcase pressure; installing a new valve restores the designed ventilation function and supports consistent engine breathing during normal use for the covered Altima years.
Gates 13-17 Nissan Altima 4-Cyl. 2.5L PCV Valve Crankcase Vent Valves
