oil cooler, trans cooler, larger radiator, bigger battery, and the hitch. Those items are specific to the V8/4R75E(W) trucks.
you can not option the reverse sensors without getting the towing package.
2013 Ecoboost Black on Black FX2 SCREW
2007 Black on Black SCAB sold 14 Sept 13
1996 Thunderbird LX 14.17@98mph sold 13 Oct 12
Booyah. Stu Scott.