Home » Marine » 5.9L 1998.5-2000 Cummins Marine » Parts » Oil System Components
Oil system components for the 1998.5–2000 5.9L Cummins Marine engine circulate and filter engine oil. The oil pump delivers oil under pressure to all moving parts. Oil filters remove contaminants to protect engine surfaces. Oil galleries direct flow through the engine block and head. Components resist heat, pressure, and corrosion for reliable lubrication. Proper function prevents wear and extends engine life.