A grommet 2 for sealing a cable 4 in a cable bushing 3. The grommet comprises a sleeve body 6, wherein the sleeve body 6 has an inner sealing lip 14 for sealing the cable 4 in the sleeve body 6 and an outer sealing lip 12 for sealing the sleeve body 6 in the cable bushing 3, wherein the sleeve body 6 comprises at least two body parts 7, 7a, 7b, wherein the sleeve body 6 has a detached state and an aligned state, whereby in the detached state the at least two body parts 7, 7a, 7b are detached to insert the cable 4, whereby in the aligned state the at least two body parts 7, 7a, 7b are aligned to form the inner sealing lip 14 and the outer sealing lip 12.