I do not believe they are replaceable, I believe thay are available aftermarket.
how do i replace the front end bushings on 1997 Tahoe
I had a similar problem with my 2004 Jeep Grand Cherokee and it turned out to be my front sway bar bushings and front sway bar link. The sound was a large clunk sound when I went over bumps. After I got it fixed there were no problems.
The 2009 Jeep Grand-Cherokee has 59.1 in. of front shoulder room.
The 2004 Jeep Grand-Cherokee has 56.5 in. of front hip room.
The 2011 Jeep Grand-Cherokee has 58.6 in. of front shoulder room.
The 2012 Jeep Grand-Cherokee has 40.3 in. of front leg room.
The 2009 Jeep Grand-Cherokee has 41.7 in. of front leg room.
The 2007 Jeep Grand-Cherokee has 59.1 in. of front shoulder room.
The 2010 Jeep Grand-Cherokee has 39.7 in. of front head room.
The 2012 Jeep Grand-Cherokee has 39.9 in. of front head room.
The 2006 Jeep Grand-Cherokee has 41.7 in. of front leg room.
The 2004 Jeep Grand-Cherokee has 39.7 in. of front head room.