Crossword clues for the word: CRANKCASE The word CRANKCASE has appeared as an answer to at least 10 crossword clues on different crossword puzzles. Crossword clues for CRANKCASE Showing 1 to 10 of 10 results Clue(s) ... NKC... Crotchety engine feature? Engine block component Engine housing Housing under the hood Legal proceeding involving Oscar the Grouch? Legal proceeding over a meth bust? Part of an engine. Trial of a grouch? What gets the shaft?