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

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

For 1987-1989 GMC R2500 Radiator Cap 13865YZRG 1988

For 1987-1991 GMC R2500 Suburban Radiator Cap Adapter 84493MVXJ 1988 1989 1990

For 1987-1991 GMC R2500 Suburban Radiator Cap 45858MTJG 1988 1989 1990

For 1987-1991 GMC R2500 Suburban Radiator Cap Adapter 13396VSSR 1988 1989 1990

For 1987-1991 GMC R3500 Radiator Cap Adapter 49927MTMJ 1988 1989 1990 Standard

For 1987-1991 GMC R3500 Radiator Cap Adapter 58447HXDN 1988 1989 1990 Standard