Phillips 66 Guardol XT 5w-40

Phillips 66 Guardol XT 5w-40 was formerly Phillips 66 Triton ECT 5w-40 with Liquid Titanium which is is a premium full-synthetic Diesel Engine Oil. The Triton name (now XT) is given to premium full synthetic lubricants manufactured by Phillips 66 Lubricants. The Guardol Diesel Engine Oils are specially formulated for compatibility with exhaust after treatment systems using diesel particulate filters (DPF), diesel oxidation catalysts (DOC) and/or selective catalytic reduction (SCR). 5w-40 is the thickness of the oil based on Society of Automotive Engineers (SAE) standards. Liquid Titanium is an exclusive, high performance additive found in Phillips 66 premium engine oils.

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