Check the vehicle Identification Number (VIN) on the driver door jam.
Assuming that you have a 5.7L 350CI engine you need to find a 96+ VIN R engine, to replace it with.
The 2013 Chevrolet Suburban has a V8 engine.
The 2012 Chevrolet Suburban has a V8 engine.
The 2015 Chevrolet Suburban has a V8 engine.
The 2014 Chevrolet Suburban has a V8 engine.
The 2007 Chevrolet Suburban has a V8 engine.
The 2011 Chevrolet Suburban has a V8 engine.
The 2001 Chevrolet Suburban has a V8 engine.
The 2005 Chevrolet Suburban has a V8 engine.
The 2002 Chevrolet Suburban has a V8 engine.
The 2003 Chevrolet Suburban has a V8 engine.
The 2004 Chevrolet Suburban has a V8 engine.