Phillips 66 1077869 Diesel Engine Oil (Guardol ECT- API CK-4 with Liquid Titanium 15W40-1 Gallon), 128 fl. oz, 1 Pack
- Excellent protection for newer low-emission diesel engines and older diesel engines.
- Exclusive Liquid Titanium protection additive provides enhanced oxidation resistance and protection against engine wear.
- Specially formulated to protect exhaust after treatment systems.
- Outstanding resistance to viscosity and thermal breakdown at high temperatures.
- Outstanding soot control for protection against abrasive wear and soot-induced oil thickening.