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