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No. They are not interchangeable.
No.
No. Different shape.
The 2002 Jeep Grand-Cherokee has 39.5 in. of front head room.
The 2008 Jeep Grand-Cherokee has 39.3 in. of rear head room.
The 2013 Jeep Grand-Cherokee has 39.9 in. of front head room.
The 2003 Jeep Grand-Cherokee has 39.3 in. of rear head room.
The 2006 Jeep Grand-Cherokee has 39.3 in. of rear head room.
The 2007 Jeep Grand-Cherokee has 39.2 in. of rear head room.
The 2008 Jeep Grand-Cherokee has 39.7 in. of front head room.
The 2013 Jeep Grand-Cherokee has 39.2 in. of rear head room.
The 2005 Jeep Grand-Cherokee has 39.7 in. of front head room.