oil pan

cylinder head

oil pump

separate oil tank

oil strainer - oil pump - relief valve - oil filter - cylinder block - cylinder head - oil pan

oil pump - oil strainer - relief valve - oil filter - cylinder block - cylinder head - oil pan

oil strainer - oil filter - relief valve - oil pump - cylinder block - cylinder head - oil pan

oil strainer - oil pump - relief valve - oil filter - cylinder head - cylinder block - oil pan

camshaft

alternator shaft

crankshaft via drive belt

crankshaft directly

engine is cold

engine overheats

oil filter becomes clogged

engine runs at high speed

element

relief valve

check valve

case