Fubex DEOX SAE-50 API: CD-SF Diesel Engine Oil

The DEOX 50 CD SF is a monograde gasoline engine oil as well as a diesel engine oil crafted for passenger cars. This oil functions well with vehicles with or without turbo. DEOX 50 CD SF is a good detergent for the engine and exhibits good dispersant properties.






Engine cleanliness

Wear Protection

Acid neutralizing ability

Low Ash Content


 DEOX 50 CD SF Diesel engine oil applies to both gasoline and turbo or non-turbo diesel engines for passenger cars particularly from 1980 to 1989.

API performance Level

MIL L-46152 B
MB 226.0



Parameters Test Methods Unit Result
Density at 15 ASTM D4052 g/ml 0.895
Kinematic Viscosity at 40 ASTM D445 mm²/s 145
Kinematic Viscosity at 100 ASTM D445 mm²/s 14.1
Pour Point ASTM D6892 -33
Flash Point ASTM D92 250
Viscosity Index ASTM D2270 94
B.N (HClO4 Method) ASTM D2896 mg KOH/g 5.6

The  DEOX 50 CD/SF  Diesel engine oil is used for reducing friction and lubricating the moving parts of a diesel and gasoline engine to protect it from wear. Additionally this oil provides rust protection, deposit prevention and great soot handling. over a large temperature range. Such an oil can be beneficial to use in extremely high temperature and in conditions where the temperature does not change a lot. This oil is also good for old engines.

As opposed to other viscosity grades, the   DEOX 50 CD SF Diesel engine oil is a monograde oil. This means that the oil’s viscosity does not change with temperature and it maintains the same viscosity

Yes indeed, the  DEOX 50 CD SF Diesel engine oil is also a gasoline engine oil. So it can be used in gasoline engines as well.

The CD designation was formulated by the American Petroleum Institute (API). This designation means that oils with CD specification, such as  the DEOX 50 CD SF Diesel engine oil , have advanced corrosion protection, piston deposit prevention and soot handling.

The SF designation, also placed by the API, means that SF oils are specialized in wear protec tion, deposit control and oil oxidation prevention.

No, The  DEOX 50 CD SF Diesel engine oil being a monograde oil is only suitable for a narrow temperature range. It is applicable particularly for hot temperatures and not recommended for cold environments.

There is no universal number as to how often you should change your DEOX 50 CD/SF  Diesel engine oil . It depends solely upon your vehicle type and the load you put on it. Consult your vehicle manual for guidance.

Mixing any oil with the  DEOX 50 CD/SF  Diesel engine oil , while possible, is never recommended as it may damage your engine. Even in cases where you have to mix the oils, make sure to follow proper instructions.

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