7 Oil applicating machine systems comprising bottle oilers being machine parts, brush oilers being machine parts, oil hole cups and covers being machine parts, shaft seals in the nature of mechanical seals being machine parts, tubing clips, magnetic plugs for machines; Expansion chambers in the nature of combustion chambers being engine parts; Internal combustion air flow management devices being vehicle engine parts, namely, throttles, exhaust gas recirculation (EGR) valves being emission reduction units, exhaust brakes, wastegates diverting exhaust gases away from an internal combustion engine for use with vehicles; fuel cell and internal combustion engine coolant flow management devices being vehicle engine parts, namely, coolant bypass valves and coolant throttles for use with vehicles