This is a used automatic transmission oil dipstick that attaches to the transmission fill tube. This fits 1981 - 1993 Saab 900 2.0L 4 cylinder and 2.1L non-turbo engines with the automatic transmission.  Includes the tag saying what type of fluid to use. This automatic transmission dipstick was removed from a 1989 Saab 900 2.0L turbo.