Device for transporting a plurality of parts to be treated through an apparatus for wet-chemical treatment, the device comprising: a transporter , comprising at least one runner (39a,b,40a,b) for supporting the transporter for movement along at least one track (5a,b) in a first direction (x), wherein at least part of the transporter is located next to the runners (39a,b,40a,b), seen in a second direction (y) transverse to the first direction (x), and wherein this part extends from a level below the runners (39a,b,40a,b) to a level above the runners (39a,b,40a,b) in a third direction (z) transverse to the first and second directions ( x , y ); a container having an interior for accommodating the plurality of parts; and a frame , at least indirectly connecting the container to the transporter to allow the transporter to carry the container at a level below the runners (39a,b,40a,b), wherein the frame comprises a respective frame part (23a,b) at at least one of opposite axial ends of the container with respect to an axis of the container , wherein the container is liquid-pervious between the axial ends to allow liquid to flood the interior when the container is immersed in the liquid, wherein the axis of the container extends in a direction ( x ) transverse to the second and third directions ( y , z ), characterised by comprising a mechanism (32a,b,33a-d) for guiding movement of at least one of the frame and the container in the third direction (z) relative to the transporter , wherein the mechanism comprises at least one elongate part (32a,b) of the frame and at least one respective bearing (33a-d) for guiding movement of the elongate part of the frame through or next to the transporter . a transporter , comprising at least one runner (39a,b,40a,b) for supporting the transporter for movement along at least one track (5a,b) in a first direction (x), wherein at least part of the transporter is located next to the runners (39a,b,40a,b), seen in a second direction (y) transverse to the first direction (x), and wherein this part extends from a level below the runners (39a,b,40a,b) to a level above the runners (39a,b,40a,b) in a third direction (z) transverse to the first and second directions ( x , y ); a container having an interior for accommodating the plurality of parts; and a frame , at least indirectly connecting the container to the transporter to allow the transporter to carry the container at a level below the runners (39a,b,40a,b), wherein the frame comprises a respective frame part (23a,b) at at least one of opposite axial ends of the container with respect to an axis of the container , wherein the container is liquid-pervious between the axial ends to allow liquid to flood the interior when the container is immersed in the liquid, wherein the axis of the container extends in a direction ( x ) transverse to the second and third directions ( y , z ), characterised by comprising a mechanism (32a,b,33a-d) for guiding movement of at least one of the frame and the container in the third direction (z) relative to the transporter , wherein the mechanism comprises at least one elongate part (32a,b) of the frame and at least one respective bearing (33a-d) for guiding movement of the elongate part of the frame through or next to the transporter . <EOS>