A coolant container and a disposable component kit for an apparatus for holding an organ or tissue for a perfusion of the organ or tissue, wherein the coolant container has an inner surface and an outer surface, the inner surface defining an inner chamber that is configured to contain a coolant, the outer surface forming a basin-receiving recess that is at least partly surrounded by the inner chamber, and wherein the disposable component kit comprises: a basin that is shaped to fit within the basin-receiving recess of the coolant container; and two or more cradles that are sized to hold different sized and/or shaped organs or tissue and that can alternately be placed in a single predetermined orientation in the basin based on the size and/or shape of an organ or tissue to be held in the cradle, wherein each of the two or more cradles is shaped to fit within the basin and is configured to hold the organ or tissue; and wherein the basin-receiving recess of the coolant container, the basin and the two or more cradles each have a plurality of positioning elements that are oriented such that the two or more cradles are keyed to fit within the basin and the basin is keyed to fit within the coolant container in the single predetermined orientation with respect to each other, the plurality of positioning elements of the coolant container includes a plurality of recesses (51, 52) on a bottom portion of the basin-receiving recess of the coolant container, and the plurality of positioning elements of the basin includes a plurality of protrusions on an outer surface of the basin, the plurality of protrusions on the outer surface of the basin being configured to be inserted within the plurality of recesses (51, 52) on the bottom portion of the basin-receiving recess of the coolant container and the plurality of positioning elements on the basin includes a plurality of recesses (31, 32) on an inner surface of the basin, which in turn correspond to the plurality of protrusions on the outer surface of the basin, and the plurality of positioning elements of each of the two or more cradles includes a plurality of protrusions that are configured to be inserted within the plurality of recesses on the inner surface of the basin. a basin that is shaped to fit within the basin-receiving recess of the coolant container; and two or more cradles that are sized to hold different sized and/or shaped organs or tissue and that can alternately be placed in a single predetermined orientation in the basin based on the size and/or shape of an organ or tissue to be held in the cradle, wherein each of the two or more cradles is shaped to fit within the basin and is configured to hold the organ or tissue; and wherein the basin-receiving recess of the coolant container, the basin and the two or more cradles each have a plurality of positioning elements that are oriented such that the two or more cradles are keyed to fit within the basin and the basin is keyed to fit within the coolant container in the single predetermined orientation with respect to each other, the plurality of positioning elements of the coolant container includes a plurality of recesses (51, 52) on a bottom portion of the basin-receiving recess of the coolant container, and the plurality of positioning elements of the basin includes a plurality of protrusions on an outer surface of the basin, the plurality of protrusions on the outer surface of the basin being configured to be inserted within the plurality of recesses (51, 52) on the bottom portion of the basin-receiving recess of the coolant container and the plurality of positioning elements on the basin includes a plurality of recesses (31, 32) on an inner surface of the basin, which in turn correspond to the plurality of protrusions on the outer surface of the basin, and the plurality of positioning elements of each of the two or more cradles includes a plurality of protrusions that are configured to be inserted within the plurality of recesses on the inner surface of the basin.