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IT'S MORE THAN JUST OIL. IT'S LIQUID ENGINEERING.

  1. Home
  2. DIESEL ENGINE OILS
  3. DIESEL ENGINE OIL VISCOSITY GRADES
  4. MONOGRADE

MONOGRADE

SAE 10W, 30, 40, 50 monograde oils include
Castrol® Assuron™ 10W

 

Castrol Assuron 10W meets or exceeds the specifications for:  

 

API CF

Castrol® Assuron™ 30

 

Castrol Assuron 30 meets or exceeds the specifications for:  

 

API CF-2 / CF

Castrol® Assuron™ 40

 

Castrol Assuron 40 meets or exceeds the specifications for:  

 

API CF-2 / CF

Castrol® Assuron™ 50

 

Castrol Assuron 50 meets or exceeds the specifications for:  

 

API CF-2 / CF

Always consult your vehicle handbook to make sure you find the correct engine oil for your vehicle.