Valve Cover Gasket 4946239 for Cummins Engine 6B5.9 B4.0 B4.5 F3.8 F4.5 ISB4.5 ISF3.8 ISF4.5 QSB4.5 QSF3.8 QSL9 QSX15 Replacement Part Number: 4946239 Application:Fit for Cummins Engine:6B5.9, B4.0 CM2620 B154B, B4.5 CM2220 B186B, B4.5 CM2350 B129B, B4.5 CM2350 B147B, B4.5 CM2620 B158B, B4.5 CM2620 B180B, D4.0 CM2620 D103B, D4.5 CM2620 D104B, F3.8 CM2350 F120B, F3.8 CM2350 F128C, F3.8 CM2350 F132B, F3.8 CM2350 F133C, F3.8 CM2620 F137B, F3.8 F102, F4.5 CM2620 F139B, F4.5 CM2620 F141C, F4.5 CM2620 F146B, ISB4.5 CM2350 B104, ISF3.8 CM2220, ISF3.8 CM2220 AN, ISF3.8 CM2220 F103, ISF3.8 CM2220 F110, ISF3.8 CM2220 F116, ISF3.8 CM2220 F134B, ISF3.8 CM2220 IAN, ISF3.8 CM2350 F109, ISF4.5 CM2220 F123, QSB4.5 CM2350 B174C, QSF3.8 CM2350 F107, QSF3.8 CM2350 F118, QSF3.8 CM2350 F119, QSF3.8 CM2880 F112, QSL9 CM2350 L102, QSX15 CM570