AC Belt - Contitech - 78 - 13 x 1025 - Originally 1022 but NLA. AC Compressor was the early Bosch "Brick" Type. Changed in 1980 to the NipponDenso Type. From Eng. # 818000 to 8181765 Manual & 8189378 Auto - Used Pulley 928 102 115 00 Later 78 cars used 999 192 146 50