Lucas Heavy Duty CK-4 Motor Oils are premium oils blended with high quality API Group II and Group III base oils and a cutting-edge additive package providing the robust performance required by modern diesel engines while assuring good fuel economy. Much improved oxidation resistance means this oil lasts longer and protects engines better than previous heavy duty motor oils. They provide excellent soot control and TBN retention as well as shear stability.
Monarch Bearing Co. offers a 30-day Return Policy on every item we sell. Please see Terms of Sale & Return Policy for more specific details.