Fubex ZEXER 5W-30 CI-4 Diesel Engine Oil

The ZEXER 5 w 30 Cl-4 is a one of a kind universal oil that works both as a gasoline engine oil and a diesel engine oil. The Oil is fully synthetic and comes with great detergent and dispersant properties to ensure engine cleanliness. It is suitable for all vehicles, gasoline and diesel alike, and has great capability to neutralize acid.






Protects the Engine from wear and tear

Ensures Engine Cleanliness


The ZEXER 5 w 30 Cl-4 synthetic diesel engine oil has a wide application range. It is suitable for both gasoline engines, turbo and four valve alike, as well as diesel engines for passenger cars and heavy trucks.

API performance Level

ACEA A3/B4-98 MAN 271
ACEA E2-level  MB 228.1
API CI-4 MTU Oil Category 1


Parameters Test Methods Unit Result
Density at 15 ASTM D4052 g/ml 0.881
Kinematic Viscosity at 40 ASTM D445 mm²/s 100
Kinematic Viscosity at 100 ASTM D445 mm²/s 14.0
Pour Point ASTM D6892 -33
Flash Point ASTM D92 228
Viscosity Index ASTM D2270 142
B.N (HClO4 Method) ASTM D2896 mg KOH/g 7.6
CCS viscosity at -20°C ASTM D5293 mPa.s 6800
Sulfated Ash ASTM D874 Mass % 1.15

The Cl-4 specification is important for any gasoline engine oil or diesel engine oil, including the ZEXER 5 w 30 Cl-4 as it was developed to verify a wide range of lubricant qualities such as Emission control, wear protection, soot handling, oxidation and thermal stability and compatibility with diesel engines. Therefore any oil that meets the  Cl-4 specification qualifies in all these parameters at once.

The ZEXER 5 w 30 Cl-4 synthetic diesel engine oil  is applicable to nearly all vehicles, including gasoline and diesel engines, turbo as well as four valve.

Yes, the ZEXER 5 w 30 Cl-4 doubles as a gasoline engine oil and thus can be used in gasoline engines

Yes indeed, the ZEXER 5 w 30 Cl-4 diesel oil ensures engine protection and keeps the engine running smoothly, thereby improving its health and fuel efficiency.

Yes indeed, the ZEXER 5 w 30 Cl-4 diesel oil meets the Cl-4 specification, which means that it has been tested in regards to wear protection and it delivers well.

A synthetic ZEXER 5 w 30 Cl-4 oil provides more protection to the engine as opposed to the mineral oil, as synthetic oils are formulated to provide enhanced protection for engine parts. Synthetic oils, like the ZEXER 5 w 30 Cl-4 synthetic diesel engine oil also tend to have longer oil change intervals than mineral oils.

Use of any lubricant like ZEXER 5 w 30 Cl-4 gasoline engine oil does not immediately void warranty as long as the oil was according to the specifications described in the car’s user manual. Make sure to thoroughly read the instructions to remain on the safer side.

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