Paccar Engine Oil Cap 1876740 1936324 1948922 2011888 *Please verify your OEM number(s) before purchasing. Oil Filler Cap Fits Paccar MX13 Engines OEM Part Number Cross References: 1876740 1876740PE 1936324 1936324PE 1948922 1948922PE 2011888 2011888PE Centrifugal Cap Thread: M122 x 3.0 Sold Individ... See More