Direct replacement PCV valve rear elbow. Made of plastic, stock fitment, and will work on the following vehicle makes and models below.

MAKE and MODEL:

Wrangler (YJ) (1991-1993) w/ 4.0L engine
Cherokee (XJ) (1991-1993) w/ 4.0L engine
Comanche (MJ) (1991-1992) w/ 4.0L engine
Grand Cherokee (ZJ) (1993) w/ 4.0L engine