Replaces OEM number: For Paccar P621725 For Luber-Finer LAF6725 For Donaldson P637453 For Baldwin PA32000 For Wix WA11058 For NAPA 501058 Fitment: The engine air filter compatible with: 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 ISX15 Package Included: 4x Air Filter.
