2014-2023 Ram 2500 (Front) (Fuel: DIESEL & Front Spring: Coil & Rear Spring: Coil & Drive: 4WD / Qualifier: Replacement Coil Spring Locators for Rancho RS66451R9 System(s)); 2014-2023 Ram 3500 (Front) (Body: Standard Cab Pickup, Crew Cab Pickup, Extended Crew Cab Pickup & Rear Spring: Leaf & Drive: 4WD / Qualifier: with Single Rear Wheels (SRW), Replacement Coil Spring Locators for Rancho RS66451R9 System(s))