For 1987-1989 GMC R2500 Radiator Cap Tester Adapter Gates 97749JRZZ 1988

Gates Radiator Cap Tester Adapter for 1987-1989 GMC R2500 6.2L 5.7L 5.0L wd

Gates Radiator Cap Tester Adapter for 1989-1991 Chevrolet R2500 Suburban sw

For 1987-1989 GMC R2500 Radiator Cap Adapter 24331VDMY 1988 Standard

For 1987-1989 GMC R2500 Radiator Cap Adapter 49826XPNW 1988 Standard

Gates Radiator Cap Tester Adapter for 1987-1991 GMC R2500 Suburban 5.7L 6.2L hw

For 1987-1989 GMC R2500 Radiator Cap Gates 86112MCQG 1988

MotoRad Radiator Cap Adapter for 1987-1989 GMC R2500 Engine Service Tools lh