<b>Premium Guard Air</b> Filters are engineered to meet, or exceed, OEM air filter requirements of up to 12,000 miles of engine air filtration protection from items such as dust and other harmful air particles. Premium Guard Air Filters provide up to 99% filtration efficiency of dust, pollen, and other hazardous air pollutants while limiting air restrictions to ensure optimal airflow to the engine which provides optimal engine performance.<p><b>See what it fits: </b><ul><li>1986-89 Nissan D21 3.0L</li><li>1987-89 Nissan Pathfinder 3.0L</li></ul><p><br><b>Replacement of CHAMPION# AF49, FRAM# CA3497, PUROLATOR# A40003, WIX# 42908