This Fits Your 2018 Chevrolet Express 3500 LT Extended Passenger Van 6.0L Vortec V8 FLEX A/T
Full size assembly image of Body side panels. Inner structure. (1/1)

Body side panels. Inner structure.

Passenger side W/BODY side window. 135" wheelbase. 155" wheelbase. Front. Rear. W/SLIDING door.