lucas sae 15w-40 ck-4 truck oil, 1 gallon (3.79 litre), each

Lucas CK-4 heavy duty diesel motor oil is designed with your heavy duty truck or big rig in mind. Lucas CK-4 is specifically designed to stand up to the rigors of modern diesel engines while providing superior lubrication, keeping your engine healthy. Lucas blended API group II and group III oils with cutting edge additives to achieve the ultimate goal, protecting your engine!