DZL Synthetic SAE 5W-40 Diesel Engine Oil 

Premium Heavy Duty Diesel Oil | Formulated for Maximum wear Protection.

• For Heavy Loads, Steep Grades and High Idle Times
• Protection + Oxidation Resistance for Diesel Engines Operating in Severe Conditions
• Enhances Performance Both On and Off-Road

Meets or exceeds API specifications for CK-4, CI-4 PLUS, CI-4, API SN