Everest CK-4 Advanced Heavy Duty SAE 15W-40 and 10W-30 Synthetic Blend Diesel Engine Oil is a high-performance engine oil designed to meet 2017 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, and passenger car engines. Everest Advanced Heavy Duty SAE 15W-40 and 10W-30 engine oil meets or exceeds American Petroleum Institute (API) CK-4 service classification and all prior API specifications including CJ-4, CI-4 Plus, CI-4, CH-4, CG-4, CF-4, CF-2, and CF. It has been field tested to be comparable to most American, Asian and European manufacturers? standards including ACEA E7-12, MB 228.31, Renault VI RLD-4, Volvo VDS 4.5, Mack EOS-4.5, CAT ECF-3, and many other OEM?s specifications where a synthetic blend API CK-4 engine oil is recommended.

Always check your car manual for proper service recommendations.