I know it may not seem like anything is different visually, but have you actually verified spring tags p/ns between two similar trucks with and without the option and also verified axle weight ratings on both door stickers?
There’s actually 33 different part numbers for a front coil for 2019-2020 Ram 3500s.They dont have different spring numbers except gas vs diesel.... and they only have one front axle for the 2500/3500 4x4s they are all 6000kg axles there is no other listings right from the dealer listings
Here’s the VIN of a 2020 tradesman 3500 CTD H.O. 4x4 CCSB that does not have plow prep/chief package- 3C63R3CL3LG260717
Here’s the VIN of a 2020 tradesman 3500 CTD H.O. 4x4 CCLB that has the snow plow prep- 3C63R3GLXLG254763
Here’s the VIN of a 2020 tradesman 3500 CTD H.O. 4x4 CCLB that has the snow chief group- 3C63R3GL7LG247219
All someone has to do to find out for absolute certain if they use different front springs is call any dealership parts department with those three VINs, and ask the parts guy what part number front coils those VINs were built with.