Answer:

dipstick

Answer	Crossword Clue
DIPSTICK	Body shop instrument
DIPSTICK	Oil-measuring rod
DIPSTICK	Oil-checking item

DIPSTICK	Gas-station gadget
DIPSTICK	Crankcase item
DIPSTICK	It's cleaned at gas stations
DIPSTICK	Testing device
DIPSTICK	Crankcase rod

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.