Engine Oils

  • Engine Oils

    Guardoil Ect® Synthetic Blend Diesel Engine Oil

    PREMIUM SYNTHETIC BLEND API CK-4 DIESEL ENGINE OIL; FORTIFIED WITH LIQUID TITANIUM PROTECTION ADDITIVE

    Phillips 66® Guardol ECT (Emission Compatible Technology) Synthetic Blend Diesel Engine Oil is a premium quality, part-synthetic API CK-4 engine oil developed for use in four-stroke cycle diesel engines designed to meet 2007 and later EPA on-highway exhaust emissions standards. It is specially formulated for compatibility with exhaust aftertreatment systems using diesel particulate filters (DPF), diesel oxidation catalysts (DOC) and/or selective catalytic reduction (SCR). It is backward serviceable for use in pre-2007 diesel engines.

  • Engine Oils

    Guardoil Fleet EC™ Diesel Engine Oil (Fleet Supreme Ec®)

    API CK-4 DIESEL ENGINE OIL FOR LOW-EMISSION ENGINES

    Phillips 66® Guardol Fleet EC (Emission Compatible) Diesel Engine Oil, formerly known as Fleet Supreme EC, is an API CK-4 engine oil developed for use in four-stroke cycle diesel engines designed to meet 2007 and later EPA on-highway exhaust emissions standards. It is specially formulated for compatibility with exhaust aftertreatment systems using diesel particulate filters (DPFs), diesel oxidation catalysts (DOCs) and/or selective catalytic reduction (SCR). It is backward serviceable for use in pre-2007 diesel engines.

  • Engine Oils

    Guardol Eco™ Diesel Engine Oil (Firebird®)

    API CK-4 DIESEL ENGINE OIL FORMULATED WITH RE-REFINED BASE STOCKS

    Phillips 66® Guardol Eco Diesel Engine Oil, formerly known as Firebird Heavy Duty EC, is an environmentally responsible API CK-4 engine oil developed for use in four-stroke cycle diesel engines designed to meet 2007 and later EPA on-highway exhaust emissions standards. It is specially formulated for compatibility with exhaust aftertreatment systems using diesel particulate filters (DPFs), diesel oxidation catalysts (DOCs) and/or selective catalytic reduction (SCR). It is backward serviceable for use in pre-2007 diesel engines.

  • Guardol Ect® Diesel Engine Oil With Liquid Titanium®
    Engine Oils

    Guardol Ect® Diesel Engine Oil With Liquid Titanium®

    Guardol ECT®, fortified with liquid titanium protection additive, is a premium, part-synthetic engine oil that was developed for use in four-stroke cycle diesel engines to meet EPA on-highway emission standards.

  • Engine Oils

    Guardol XT Full Synthetic Diesel Engine Oil (Triton ECT Or Triton Arctic)

    PREMIUM FULL-SYNTHETIC API CK-4 DIESEL ENGINE OIL; FORTIFIED WITH LIQUID TITANIUM® PROTECTION ADDITIVE

    Phillips 66® Guardol XT Full Synthetic Diesel Engine Oil, formerly known as Triton ECT or Triton Arctic, is a premium quality, full-synthetic engine oil developed for use in 4-stroke cycle diesel engines operating under extreme temperature conditions. It meets API CK-4 performance requirements for use in modern low-emission engines designed to meet 2007 and later EPA on-highway exhaust emissions standards, and is backward serviceable for use in older diesel engines. It is specially formulated for compatibility with exhaust aftertreatment systems using diesel particulate filters (DPF), diesel oxidation catalysts (DOC) and/or selective catalytic reduction (SCR). The full-synthetic formulation provides excellent low-temperature properties for better performance in harsh winter climates.

  • Engine Oils

    Power-D® Engine Oil

    PREMIUM UNIVERSAL FLEET ENGINE OIL

    Phillips 66® Power-D Engine Oil is a premium quality universal fleet engine oil designed for use in on-highway diesel trucks and off-highway diesel equipment, as well as in passenger cars and light trucks with either diesel or gasoline engines. It is recommended for use both in EGR-equipped diesel engines and in older, non-EGR diesel engines. It also will provide excellent protection for gasoline engines for use in mixed commercial fleets.

  • Engine Oils

    Super HD II Diesel Engine Oil

    UNIVERSAL FLEET ENGINE OIL

    Phillips 66® Super HD II Diesel Engine Oil is a high-quality universal fleet engine oil designed for use in on-highway diesel trucks and off-highway diesel equipment, as well as in passenger cars and light trucks with either diesel or gasoline engines. It is recommended for use both in EGR-equipped diesel engines and in older non-EGR diesel engines. It also will provide excellent protection for gasoline engines for use in mixed commercial fleets.

  • Engine Oils

    T5X® Heavy Duty Diesel Engine Oil

    HEAVY-DUTY MONOGRADE DIESEL ENGINE OIL

    Phillips 66® T5X Heavy Duty Diesel Engine Oil is a high-quality diesel engine oil designed for use in a wide variety of applications, including off-highway diesel equipment, farm machinery, marine engines, 2-stroke cycle diesel engines (SAE 40 only) and mixed commercial fleets. It also may be used in some heavy-duty manual transmissions in trucks and buses.

  • Engine Oils

    T5X® Plus Heavy Duty Diesel Engine Oil

    HEAVY-DUTY MONOGRADE DIESEL ENGINE OIL

    Phillips 66® T5X PLUS Heavy Duty Diesel Engine Oil is a high-quality diesel engine oil designed for use in off-highway diesel equipment, farm machinery, marine engines and mixed commercial fleets.