EVEREST CK-4 Full Synthetic Heavy Duty SAE 5W-40 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 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 5W-40 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 E9, E7, E4, E2, Chrysler/Fiat MS-1092, Ford WSS-M2C171-E, WSS-M2C171-F1, Renault RLD-4, Caterpillar, Detroit Diesel, Allison C-4, MACK, and many other OEM’s specifications where a full synthetic SAE 5W-40 CK-4 engine oil is recommended. Always check your owner’s manual for proper service recommendations.

APPROVALS: CK-4/SN

Field Tested: ACEA E9, E7, E4, E2, Chrysler/Fiat MS-1092,Ford WSS-M2C171-E, WSS-M2C171-F1, Renault RLD-4, Caterpillar, Detroit Diesel, Allison C-4, MACK,

• Exceeds CK-4 / SN service classification
• Helps optimize fuel economy
• Outperforms conventional motor oil
• Maximum engine cleanliness and protection