COMES WITH 18 MONTH WARRANTY FROM CUMMINS & FRESH SAFETY INSPECTION. CUMMINS WARRANTY • Internal & Major Components: Cylinder head assembly, cylinder block, rocker lever assembly, ECM, pistons, rings, liners, lube oil cooler, front gear cover, oil pan, connecting rods, lube pump, camshaft and bushings, cam followers, crankshaft, EGR cooler/valve/mixer, fuel injectors (excluding aftertreatment injectors), turbocharger, water pump, fuel pump, air compressor, and select engine sensors.