O-ring evaporator 50856 with reference number 20443754, 3537499 fits for instance VOLVO BM/VOLVO A25D s/n 13001-16369, 72001-72433, VOLVO BM/VOLVO A25E, VOLVO BM/VOLVO A30D s/n 12001-. See all compatible models under the Fits to tab.