1997-1999 TJ Wangler w/4.0L Engine; 1991-1995 YJ Wrangler w/4.0L Engine w/o Sensor Hole; 1990-1990 YJ Wrangler w/4.2L Engine; 1987-2001 XJ Cherokee w/4.0L Engine w/o Sensor Hole; 1987-1992 MJ Comanche w/4.0L Engine w/o Sensor Hole; 1993-1998 ZJ Grand Cherokee w/4.0L Engine w/o Sensor Hole; 1997-1998 ZG (Europe) Grand Cherokee w/4.0L Engine w/o Sensor Hole;