Overview

Road King Diesel Exhaust Fluid is API Certified to the highest national purity standards and our DEF handling solutions are ISO-compliant to maintain the precise purity required for use in Tier 4 engines. Road King is a wholly-owned subsidiary of Superior Lubricants. Superior Lubricants was founded on the concept of the bulk distribution and delivery of motor oils and lubricants to fleet accounts, car dealerships, auto/truck repair shops, industrial accounts and governmental entities. Our 33 years of experience makes us a leader in this field, and extensive quality control procedures are part of daily standard operating procedure which ensures the integrity of all products being received and distributed by Superior Lubricants.