SynShield® Max MPG 10W-30 Engine Oil is a premium, advanced performance, synthetic plus, heavy-duty diesel engine oil specially formulated to provide maximum protection against wear, oxidation, deposit formation, soot contamination and aeration in 2017 and newer engines specifying FA-4 oil.
Exceeds API Service Category FA-4.SynShield® Max MPG 10W-30 Engine Oil offers increased fuel economy benefits beyond those typically provided by most SAE 10W-30 engine oils, while still offering excellent outstanding wear protection, extended drain capability, high temperature performance and engine cleanliness. Using our proprietary friction modifiers, Micron Moly® and Penetro®, SynShield® Max MPG 10W-30 Engine Oil creates a slippery, tenacious shield that prevents metal-to-metal contact for increased engine efficiency.