Everest CK-4 Full Synthetic Heavy Duty SAE 10W-30 Diesel Engine Oil is a high-performance engine oil designed to meet 2021 and prior model year on-highway and Tier 4 exhaust emission standards.It provides enhanced protection against wear, oxidation, shear viscosity loss, low and high temperature degradation, soot related thickening as well as protection against particulate filter blocking and catalyst poisoning. It outperforms conventional motor oil and is recommended for naturally aspirated, turbocharged or supercharged diesel, gasoline, or propane truck, sport utility vehicle, passenger car and other mobile or stationary engines.

Everest CK-4 Full Synthetic Heavy Duty SAE 10W-30 Diesel Engine Oil meets or exceeds CK-4 / SN service classifications and is compatible with all prior categories. It has been field tested to be comparable to most American, Asian and European manufacturers’ standards including ACEA E7-16, ACEA E9-16, Ford WSS-M2C171-E, WSS-M2C171-F1, Renault RLD-4, Detroit Diesel DFS 93K218, Caterpillar ECF-3, Allison C-4, MACK EO-O Premium Plus, and many other OEM’s specifications where a full synthetic SAE 10W-30 CK-4 engine oil is recommended.

Always check your owner’s manual for proper service recommendations.

GRADE: API CK-4/SN ACEA E7-16, ACEA E9-16, Ford WSS-M2C171-E, WSS-M2C171-F1, Renault RLD-4, Detroit Diesel DFS 93K218, Caterpillar ECF-3, Allison C-4, MACK EO-O Premium Plus

• Meets or exceeds API CK-4, SN
• Helps optimize fuel economy