Fits the following 2018 Ram 3500 Submodels:
- Crew Cab Chassis 2WD, Crew Cab Chassis 4WD, Laramie Crew Cab 4WD, Laramie Mega Cab 4WD, Longhorn Crew Cab 4WD, Longhorn Mega Cab 4WD, Reg Cab Chassis 2WD, Reg Cab Chassis 4WD, SLT Crew Cab 4WD, SLT Mega Cab 4WD, SLT Reg Cab 4WD, ST Crew Cab 4WD, ST Reg Cab 4WD | 6 Cyl 6.7L Diesel, 8 Cyl 5.7L, 8 Cyl 6.4L