Engine Oils
Phillips 66® has everything it takes to provide confidence and protection. We maximized fuel economy and wear protection.
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GUARDOL ECO® DIESEL ENGINE OIL
Phillips 66® Guardol Eco Diesel Engine Oil, formerly known as Firebird Heavy Duty EC,…
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GUARDOL ECT® SYNTHETIC BLEND DIESEL ENGINE OIL
Phillips 66® Guardol ECT (Emission Compatible Technology) Synthetic Blend Diesel Engine Oil is a premium…
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GUARDOL EURO® FULL SYNTHETIC DIESEL ENGINE OIL
Phillips 66® Guardol Euro Full Synthetic Diesel Engine Oil, formerly known as Triton Euro,…
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GUARDOL FE® FULL SYNTHETIC DIESEL ENGINE OIL
Phillips 66® Guardol FE (Fuel Economy) Full Synthetic Diesel Engine Oil, formerly known as…
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GUARDOL FE® SYNTHETIC BLEND DIESEL ENGINE OIL
Phillips 66® Guardol FE (Fuel Economy) Synthetic Blend Diesel Engine Oil is a premium…
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GUARDOL FLEET EC® DIESEL ENGINE OIL
Phillips 66® Guardol Fleet EC (Emission Compatible) Diesel Engine Oil, formerly known as Fleet…
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GUARDOL® NG-D
Phillips 66® Guardol NG-D is a high-quality synthetic blend, dispersant-detergent engine oil specially designed…
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GUARDOL TT™ DIESEL ENGINE OIL
Guardol TT™ Diesel Engine Oil is a high-quality API CK-4 engine oil developed for…
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GUARDOL XT® FULL SYNTHETIC DIESEL ENGINE OIL
Phillips 66® Guardol XT Full Synthetic Diesel Engine Oil is a premium quality, full-synthetic…
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HEAVY DUTY DIESEL ENGINE OIL
Phillips 66® Heavy Duty Diesel Engine Oil is a high-quality universal fleet engine oil…
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POWER-D® ENGINE OIL
Phillips 66® Power-D Engine Oil is a premium quality universal fleet engine oil designed…
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POWER-D® ENGINE OIL 15W-50
Phillips 66® Power-D Engine Oil is a premium quality synthetic blend universal fleet engine…
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T5X® HEAVY DUTY DIESEL ENGINE OIL
Phillips 66® T5X Heavy Duty Diesel Engine Oil is a high-quality diesel engine oil designed…
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T5X® PLUS HEAVY DUTY DIESEL ENGINE OIL
Phillips 66® T5X PLUS Heavy Duty Diesel Engine Oil is a high-quality diesel engine…