Shell Rotella oil filters are designed to help reduce engine wear and promote longer oil life. The company's line of six oil filters has been designed to fit almost every diesel pickup truck, according to the company. Developed to efficiently capture the dirt and contaminants while meeting the capacity requirements of a diesel engine to help promote longer engine life, Shell Rotella oil filters may be used with both conventional and synthetic engine oils. They are also designed to efficiently capture the dirt and contaminants in the oil by removing and holding them until the next oil change.