1. Home
  2. Products
  3. Our brands
  4. Viscosity grades
  5. 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.