What do you mean by "15w43" on the car oil filter?
W winter winter mean number represents the pour point temperature in front of the W, the freezing temperature, low temperature fluidity and better numerical more novel Ming oil.
The numbers behind w represent the viscosity of the engine at 100 degrees centigrade. The higher the value, the higher the viscosity.
. 15W refers to the corresponding external temperature of -25 degrees centigrade, indicating that the engine oil is greater than the temperature when the trial.
The letter numbers on the oil filter represent the engine oil specifications.
