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.With over 110 years of experience, Dayco is an OEM leader in high-quality belts, hoses, and engine accessories. Dayco products are made for efficiency and reliability with customers in mind. Their heavy duty truck and trailer experience allows them to improve the transfer of power quietly and efficiently.Dayco strives to improve how the world around us moves. As a result, customers benefit from the innovation behind the products and systems. They have a reputation for solutions that boost performance and durability.Headquartered in Troy, MI, Dayco’s mission is to “deliver innovative system solutions that move original equipment and aftermarket customers forward, always." Dayco has grown to more than 40 locations across 21 countries with over 4,000 employees.