For 1990 GMC C6000 Topkick Distributor Rotor United Automotive 12349SKTJ

For 1990 GMC C6000 Topkick Distributor Rotor United Automotive 97662TTKM

AC Delco 34GQ31W Distributor Rotor Fits 1980-1990 GMC C6000 Gold -- New Gold

For 1990-1991 GMC C6000 Topkick Distributor Rotor Wells 86641WTNM

For 1990-1991 GMC C6000 Topkick Distributor Rotor Wells 12544YBZP

AC Delco 74YD63S Distributor Rotor Fits 1990 GMC C6000 Professional -- New

For 1990 GMC C6000 Topkick Distributor Rotor SMP 92953WMZN Distributor Rotor

AC Delco Gold Distributor Rotor fits GMC C6000 1980-1990 64RVJCWD