oil filter

English Thesaurus

1. a filter that removes impurities from the oil used to lubricate an internal-combustion engine (noun.artifact)

hypernym	:	filter,
definition	:	device that removes something from whatever passes through it (noun.artifact)

part meronym	:	force feed, force-feed lubricating system, lubricating system, pressure feed, pressure-feed lubricating system,
definition	:	mechanical system of lubricating internal combustion engines in which a pump forces oil into the engine bearings (noun.artifact)