For 1987 GMC R1500 Radiator Cap Tester Adapter Gates 33433WHTC

For 1987-1991 GMC R1500 Suburban Radiator Cap Tester Adapter Gates 62374KNJQ

Gates Radiator Cap Tester Adapter for 1987-1991 GMC R1500 Suburban 5.0L 5.7L ax

For 1987 GMC R1500 Radiator Cap Adapter 65844MMHB Standard

For 1987-1991 GMC R1500 Suburban Radiator Cap Tester Adapter Gates 14457HVSM

For 1987 GMC R1500 Radiator Cap Adapter 53369BJMQ Standard

Gates Radiator Cap Tester Adapter for 1987 GMC R1500 4.3L 5.0L 5.7L 6.2L V6 up

For 1987 GMC R1500 Radiator Cap Gates 36118HJVX