LT is a tire class which designates a light truck tire, which is usually a little more expensive but worth it if you like to do off road adventures.
31x10.5 on 15" rims
The wheel should fit, the tire depends on the wheel.
The correct tire size for a 2014 Jeep Wrangler is P225/75R16.
The correct factory tire size for a 1998 Jeep Wrangler is P215/75R15.
The correct factory tire size for a 1992 Jeep Wrangler is 215/75R15.
The correct factory tire size for a 1993 Jeep Wrangler is 215/75R15.
The correct factory tire size for a 1997 Jeep Wrangler is P205/75R15.
The correct factory tire size for a 2007 Jeep Wrangler is P255/75R17.
The correct factory tire size for a 1987 Jeep Wrangler is 215/75R15.
The correct factory tire size for a 2014 Jeep Wrangler is 255/75R17.
The correct factory tire size for a 1994 Jeep Wrangler is 215/75R15.
The correct factory tire size for a 1010 Jeep Wrangler is 255-70/R17.