Collins Russian Dictionary 2nd Edition © HarperCollins Publishers 2000, 1997:
cylinder [ˈsɪlɪndər] n (also TECH) цили́ндр; (of gas) балло́н
a five cylinder engine пятицили́ндровый дви́гатель m
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.