Volvo rear brakes replacement with electronic parking brake. (EPB)

Replacing rear brakes pads and rotors with electronic parking brake (EPB) First time doing the rear brakes. Car has 54,000km or 33,500 miles. Volvo Brake pads - 30671574 Volvo Rear vented Rotors with EPB - 31341483 Volvo electronic motor seal/bolts kit - 30881857 Or LR031305 from Land Rover Cheaper Alternative to Volvo Seal/Bolt kit is: Bolt: VAG - N01 470 111 Seal: VAG - 4E0 615 137