Description Our air filter will effectively remove pollutants or impurities from the engine air, avoiding the engine from inhaling pollutants, increasing wear and damage, and ensuring optimal engine performance. Engine Air Filter is made of high-quality materials,with high filtration and higher heat resistance. Part Number P621725, LAF6725, P637453, PA32000, WA11058, 501058 Fitment For Kenworth T680 Engine: PACCAR MX13, PACCAR MX11, CUMMINS X15 For Kenworth T880 Engine: PACCAR MX13, CUMMINS ISX, CUMMINS X15，PACCAR MX11 For Peterbilt 567 Engine: PACCAR MX11, PACCAR MX13, CUMMINS ISX15 For Peterbilt 579 Engine: PACCAR MX11, PACCAR MX13, CUMMINS IX15 Package Included 4x Engine Air Filter.
