AMERIGUARD® Premium Conventional 10W-30 CK-4 uses the latest technology to exceed API and OEM specifications and deliver exceptional value. You and your vehicles work hard for the important things in life. Trust high-quality AMERIGUARD® Lubricants by Sapp Bros. to protect engines and your investment -- at an excellent value. Our engine oil is formulated to provide the following features and benefits:

• Improved cold start performance and fuel economy, compared to 15W-40 CK-4.
• Up to 53% better wear protection.¹
• Outstanding control of friction and wear more than 65% better than the latest API requirements.²
• Up to 83% better oxidation control and 63% better deposit control.²
• Delivers long-lasting protection and control.
• Meet or exceed requirements of all major OEMs.

Applications

• Recommended for naturally aspirated and turbocharged four-stroke diesel engines in which the API CK-4 service categories are recommended. It is formulated for engines operating under severe service and a wide range of cold and hot temperatures.
• It is backward compatible for CJ-4 and older API service categories.
• Meets requirements of major OEMs such as Cummins, Detroit Diesel, Mack/Volvo, Paccar, Navistar, Caterpillar, and others.