Fubex CRUSH 15W-40 CK-4/SN Synthetic Diesel Engine Oil

The 15W-40 simply refers to the viscosity rating of the Crush 15W 40 CK-4 SN diesel engine oil . This rating signifies that the oil has decent viscosity at low temperatures and so can provide a good cold start. The rating shows that the oil thickens at high temperatures and provides excellent lubrication even at high temperature without being too runny.

The CK-4 is the American Petroleum Institute (API )rating for diesel engine oils , which means that the Crush 5W 40 CK-4 SN diesel engine oil  passes the latest requirements for wear protection and soot control etc. SN is the API rating for gasoline engine oils, meaning that the oil is also compatible with gasoline engines and passes the latest API requirements.

The  Crush 15W 40 CK-4 SN diesel engine oil is particularly  recommended for fixed diesel engines, as well as public works materials and mixed fleets. However, the oil also works with most supercharged or naturally aspirated diesel engines, as well as gasoline engines of any type.

The Crush 15W 40 CK-4 SN diesel engine oil provides overall protection to your engine against wear and oxidation. The oils also prevents soot and deposit buildup. Thereby boosting your vehicle’s performance.

Oil change interval when using the Crush 15W 40 CK-4 SN diesel engine oil  or any oil for that matter, depends upon your type of vehicle and how much you run it. There is no universal number for this.

The Crush 15W 40 CK-4 SN diesel engine oil has both a CK-4 and an SN rating, meaning it is indeed compatible with both diesel and gasoline engines.

The Crush 15W 40 CK-4 SN diesel engine oil does indeed help with fuel economy. The oil lubricates your engine effectively even at high temperatures, reducing friction and thus preventing energy loss. Therefore you save fuel when using this oil.

Yes, you can use  Crush 15W 40 CK-4 SN diesel engine oil in your older engine if your vehicle shows compatibility to the oil. Make sure to check your vehicle’s user manual for confirmation.