Air filter Laboratory Tests per ISO 5011 at least 99.5% efficiency (Based on Wix 42389). Air Filter. Engine Air Filter. The engine types may include 3.0L 2980CC 18 2Cu. l6 GAS OHV Naturally Aspirated,3.0L 2980CC l6 GAS Naturally Aspirated,3.0L 2980CC l6 GAS OHV Naturally Aspirated,3.2L 319 6CC 195Cu.