P621725 Engine Air Filter (Blue) Part Number Luber-Finer LAF6725 Donaldson P637453 Baldwin PA32000 Wix WA11058 NAPA 501058 Fitment For Kenworth T680 2011-2013 For Kenworth T880 2011-2013 For Peterbilt 567 2014-2023 For Peterbilt 579 2013-2023 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.
