MGB Gear Oil Application Chart
        RB Part Number  
Model Year   Brand 1 Litre 5 Litre Description
MGB 1962-80 1.8 carb Carlube Classic - RX1363CL 20w/50 mineral
MGB 1962-80 1.8 carb Castrol Classic RX13631L RX1363 20w/50 mineral
MGB 1962-80 1.8 carb Castrol Classic RX1788 - ATF Type F
MGC 1967-69 3.0 carb Carlube Classic - RX1363CL 20w/50 mineral
MGC 1967-69 3.0 carb Castrol Classic RX13631L - 20w/50 mineral
MGC 1967-69 3.0 carb Castrol Classic RX1788 - ATF Type F
MGB GT V8 1972-76 3.5 carb Carlube Classic - RX1363CL 20w/50 mineral
MGB GT V8 1972-76 3.5 carb Castrol Classic RX13631L RX1363 20w/50 mineral

MGB Gear Oil Application Chart
        RB Part Number  
Model Year   Brand 1 Litre 5 Litre Description
MGB 1962-80 1.8 carb Carlube Classic - RX1363CL 20w/50 mineral
MGB 1962-80 1.8 carb Castrol Classic RX13631L RX1363 20w/50 mineral
MGB 1962-80 1.8 carb Castrol Classic RX1788 - ATF Type F
MGC 1967-69 3.0 carb Carlube Classic - RX1363CL 20w/50 mineral
MGC 1967-69 3.0 carb Castrol Classic RX13631L - 20w/50 mineral
MGC 1967-69 3.0 carb Castrol Classic RX1788 - ATF Type F
MGB GT V8 1972-76 3.5 carb Carlube Classic - RX1363CL 20w/50 mineral
MGB GT V8 1972-76 3.5 carb Castrol Classic RX13631L RX1363 20w/50 mineral