Kyocera MK-8335D (1702RL0UN1) is a maintenance kit for specified Kyocera TASKalfa printers. It is listed for the TASKalfa 2552ci and TASKalfa 3252ci, making the model match clear for these devices.
The kit listing includes a black developing unit, a fuser unit and a transfer unit, along with rollers, feed and pickup pulleys, and a top filter. These are the listed service components for printer maintenance. The description applies to the MK-8335D kit identified by part number 1702RL0UN1.