Pennzoil motor oil, Americas most trusted motor oil***, is an advanced proprietary conventional formula with active cleansing agents that is engineered to help clean up sludge in your engine. It provides a balance between reducing frictional losses and protection against harmful engine wear by getting between moving parts to prevent them from touching. It meets the stringent engine protection standards required by API SN and is specially formulated to provide protection against the harmful effects of stop-and-go driving.

• Contains an active cleansing technology to help clean out sludge lesser motor oils leave behind. (Based on a leading independent research study between April 2013 and June 2017.)
• Meets API SN requirements for engine protection
• Recommended for vehicles that require the use of monograde SAE 30 viscosity grade engine oils
• Meets the requirements of the following industry specifications: API SN and all previous categories