Phillips 66 Guardol ECT 15W-40 Synthetic Blend Diesel Engine Oil — 1 Gallon / Case of 3

Choose 1 × 1-US-gallon container or a full case of 3 × 1-US-gallon containers.

A synthetic blend API CK-4 diesel oil for suitable on-highway trucks and off-highway equipment, including engines with modern aftertreatment systems.

Key benefits

• Liquid Titanium additive supports wear protection and oxidation resistance.
• Helps control soot, sludge and varnish.
• Resists viscosity breakdown under high-temperature operation.

Application & specifications

API CK-4. Use SAE 15W-40 according to the engine manufacturer's viscosity and service requirements.

Product reference: P661077869