If the 8th digit in the VIN are the same, then yes.
The 2003 Suzuki Grand-Vitara has a V6 engine.
The 2003 Dodge Grand-Caravan has a V6 engine.
The 2003 Jeep Grand-Cherokee has an inline 6 engine.
Bolt pattern, 1999-2003:- 5x115mmBolt Pattern, 1985-1998:- 5x100mm
It has a chain.
The 2003 Dodge Grand-Caravan has a 3.3 L base engine size.
The 2003 Jeep Grand-Cherokee has a 4.0 L base engine size.
The 2003 Suzuki Grand-Vitara has a 2.5 L base engine size.
The 2003 Jeep Grand-Cherokee's engine produces 195 hp @ 4600 rpm.
The 2003 Dodge Grand-Caravan's engine produces 180 hp @ 5000 rpm.
The 2003 Suzuki Grand-Vitara's engine produces 165 hp @ 6500 rpm.
The 2003 Jeep Grand-Cherokee's engine produces 230 ft-lbs. @ 3000 rpm.