Inlet manifold

If my warranty states parts covered for the ENGINE- ALL INTERNALLY LUBRICATED PARTS, INCLUDING:
pistons, piston rings and pins, crankshaft and main bearings, connecting rods and rod bearings, camshaft, timing chains or gears, rocker arms, valves, valve springs, guides and seats, push rods and lifters, oil pump. EXCLUDING - engine head(s), engine block, cylinder barrels or blown head gaskets.
My question? I have an INLET MANIFOLD problem, IS THIS COVERED WITH MY WARRANTY?
PLEASE HELP.