Some of the most important components for your heavy duty engine are bolted onto the engine. These external components perform many important functions to help optimize your engine performance, like keeping your engine lubricated and running at optimal temperature.Whether you need a fan belt, V-ribbed drive belt, Micro-V belt, oil cap, engine oil pan, engine oil drain plug, or spark plug wire ends, FleetPride has the right engine component for you. Browse our large assortment from the most popular brands in the industry.Dorman HD Solutions has a reputation in the heavy duty truck and trailer industry for having a variety of parts for a complete repair. They use advanced reverse-engineering techniques to check into today's common failures and figure out the why. Afterward, they use findings to apply modern technologies to match OEM parts and solve the issues.Based in Colmar, PA, Dorman HD Solutions' roots started in 1918. Dorman HD Solutions’ goal is to provide cost-saving solutions to their customers. They take pride in their ability to reduce technicians' time and owners' money with their innovative products and solutions.