catalyzetorcbccccd icentipoisecentralized lubricationceramicceresincetane improvercetane indexcetane numberchain tensionerclayclosed systemcloud pointclutchclutch housingcocohesioncold set greasecolloidcolorcombustioncompatibilitycompounded oilcompression ignition enginescompression ratiocompressorconnecting rod capconradson carbon residueconsistencycopolymercorrosion inhibitorcorrosive waearcoupecoveragecrank shaft seal = oil seal crank shaftcrank webcrankcasecrankcase ventilationcrscrude oilcruise controlcryogen tankcubic inchcurecutcutting fluidcvtcvvt