FOUR SEASONS HVAC Heater Core Fits 2011-2014 Peterbilt 388

2011 Peterbilt 388 Depth: 1-5/8 In.; Height: 12 In.; w/ Sleeper Unit; Width: 6 In.;. 2012 Peterbilt 388 Depth: 1-5/8 In.; Height: 12 In.; w/ Sleeper Unit; Width: 6 In.;. 2013 Peterbilt 388 Depth: 1-5/8 In.; Height: 12 In.; w/ Sleeper Unit; Width: 6 In.;.