MOTOR OIL

Synthetic Blend CK-4 Motor Oil
HOME / PRODUCTS / MOTOR OIL / CK-4 Diesel Oil

CK-4 Diesel Oil

Lucas CK-4 is a premium Heavy Duty Motor Oil blended with high quality API Group II and Group Ill base oils and a cutting-edge additive package providing the robust performance required by modern diesel engines while assuring good fuel economy.

This product meets Cummins® Engine Standard CES20086

Key Benefits

  • CK-4 is available in Synthetic Blend and Petroleum
  • Longer engine life
  • Extended oil changes
  • Lower soot levels
  • Less filter maintenance
  • Less oxidation
  • Lower oil consumption
  • High temperature stability
  • Exclusive Lucas formula
  • Safely blends with other motor oils
 

Packaging

SAE 5W-40 Synthetic Blend CK-4 Diesel Oil
#18011 6 Gallon (Bag in a Box) (Made to Order) 46 lbs
#11166 55 Gallon Drum (Made to Order) 440 lbs
#11167 330 Gallon Tote (Made to Order) 2,500 lbs
SAE 10W-30 Synthetic Blend CK-4 Diesel Oil
#10282 1 Gallon (Case of 4) 32 lbs
#10284 55 Gallon Drum (Made to Order) 440 lbs
#10285 330 Gallon Tote (Made to Order) 2,500 lbs
#18017 6 Gallon (Bag in a Box) (Made to Order) 46 lbs
SAE 15W-40 Synthetic CK-4 Diesel Oil
#11247 1 Gallon (Case of 4) 32 lbs
#11248 5 Gallon Pail 40 lbs
#18065 6 Gallon (Bag in a Box) (Made to Order) 46 lbs
#11249 55 Gallon Drum 440 lbs
#11250 330 Gallon Tote 2,500 lbs
SAE 15W-40 Magnum CK-4 Diesel Oil 
#10287 1 Gallon (Case of 4) 32 lbs
#10288 5 Gallon Pail (1 Pail) 40 lbs
#10289 55 Gallon Drum 440 lbs
#18014 6 Gallon (Bag in a Box) 46 lbs
#10292 330 Gallon Tote (Made to Order) 2,500 lbs
 

HEAR IT FROM OUR CUSTOMERS

I added this to the gas and was amazed… it stopped making the sound that I thought was a rod bearing.

My truck engine has over 200,000 miles and a knock started and I thought it was a rod bearing. I was reading the label on the product Complete Engine Treatment and the words, (stops engine knocks.) I added this to the gas and was amazed, and still am, it stopped making the sound that I thought was a rod bearing. I do have to add the treatment to each fill up, but it does work.
Jack

It was like riding a completely different bike.

I have a 2008 Harley Dyna Street Bob which has been completely customized to include engine work, custom exhaust and multiple dyno tuned sessions. The motor has 31k miles on it. The engine has always run extremely hot and destroys any oil thats in it in less than 2000 miles. This past weekend, I decided to switch over and try Lucas Oil and added 6 oz of Motorcycle Oil Stabilizer to the fresh oil. The bike is extremely quieter now (always had a sewing machine noise) and runs significantly cooler. It was like riding a completely different bike. I am sold. This stuff rocks.
Daniel F.

In 2 days my steering is back to normal. Honest.

My '06 Ford Freestar was gradually getting harder to steer. No leaks and a tight belt so no slipping. I emptied as much fluid as I could and added a bottle of Lucas Power Steering Fluid and Conditioner which the bottle says eliminates hard spots.. in 2 days my steering is back to normal. Honest. It worked for me and its been 3 wks now. A garage near me gave me a price of $569.00 for a new rack installed. I lucked out. For $10.00 a bottle it was worth a try. I'm very happy.
Frank D., Waterford, NY

Lucas is SERIOUS about what they sell.

After checking my Power Steering Fluid on my Kia Spectra, I noticed the level was low. Bought the Kia new and its now 4 years old. I decided to drain the rest of the power steering fluid and replace with Lucas Power Steering Fluid purchased at Auto Zone. What a noticeable difference in steering! Price was a few dollars higher and I would spend a few more knowing Lucas is SERIOUS about what they sell. 100% would recommend Lucas Power Steering Fluid.
Gene Zeier Jr., Richmond, TX

There is simply no better products

As a kart racer I can not say enough about the quality and performance helping standards of the Lucas Oil Products. We have been using Lucas Oil Products in our kart for four years now and there is simply no better products. We race all over the southeast and people are always coming up and asking what we are using and how it is performing. Thank You Lucas Oil for your support and your awesome oil products.
Tanner M., Munford, TN

RELATED NEWS

Morgan and Katie Lucas Named Outstanding Philanthropists of the Year by the Association of Fundraising Professionals

November 13, 2025

Morgan and Katie Lucas Named Outstanding Philanthropists of the Year by the Association of Fundraising Professionals
Lucas Oil Promotes Naomi Furgiuele to Chief Product Officer

November 6, 2025

Lucas Oil Promotes Naomi Furgiuele to Chief Product Officer
Lucas Oil Launches New Hybrid Product Line, Additives Purpose-Built for All Hybrid Engines

November 4, 2025

Lucas Oil Launches New Hybrid Product Line, Additives Purpose-Built for All Hybrid Engines
solid-white-shield