Part Notes: 2WD, 2500, 2015-18, 5.7, 6.4 Liter Mega Cab, W/Rear Air Susp, W/O 20" Tires;2WD, 2500, 2015-18, 6.7 Liter Crew Cab Swb, W/Rear Air Susp, W/O 20" Tires;2WD, 2500, 2015-18, 6.7 Liter Mega Cab, W/Rear Air Susp, W/O 20" Tires;4WD, 2500, 2014-18, 6.7 Liter Crew Cab Swb, W/O 20" Tires;4WD, 2500, 2014-18, 6.7 Liter Mega Cab, W/Rear Air Susp, W/O 20" Tires