This item is a AmeriPRO Premium Disc Brake Pad Service Kit.
It will fit the following years and models:

Replacement Parts for Ram Promaster 1500 2014-2021, models with Vented rear Disc Brake Rotors

 
Kit INCLUDES 3pcs

1x Part# ASD1540B AmeriPRO Premium Fleet Duty Front Semi Metallic Pads 4 Pads 1 set, with sensors and hardware, with caliper pins and boots
1x Part# ASD1746 AmeriPRO Premium Fleet Duty Rear Semi Metallic Pads 4 Pads 1 set, with sensors and hardware, with caliper pin boots
1x Part# NB1067 Rear Parking-Emergency Brake Shoe Set, both sides fits inside your rear rotor.