Antiporter specific for GDP-l-fucose and depending on the concomitant reverse transport of GMP. Involved in GDP-fucose import from the cytoplasm into the Golgi lumen. {ECO:0000269|PubMed:11326279, ECO:0000269|PubMed:11326280, ECO:0000269|PubMed:27738779}. This is the function of SLC35C1 (solute carrier family 35 member C1, ENSG00000181830).