T32168 HDEO additive package is a superior blend of ashless dispersant, detergent, various highly effective ashless antioxidants, and a new type of friction modifier, which allows it to meet API CK-4, CJ-4, CI-4 Plus, CI-4 performance levels for diesel engine oil. This product provides exceptional performance in terms of detergency, scoot dispersing ability, antioxidation, and antiwear for heavy-duty diesel engines. It also effectively prevents oil viscosity increase, thereby prolonging the oil service life.