Heavy duty truck gaskets and seals block oil, coolant, and air leaks from getting into your combustion chamber and allow these fluids to freely flow between the heads and block. These heavy duty truck parts also stop air and dirt from entering your engine. Damaged or unreliable gaskets and seals can lead to costly repairs or engine damage.FleetPride offers a variety of heavy duty truck gasket and seal parts from the most recognized, quality-built brands. We carry multi-purpose seals, gasket makers, multi-purpose gaskets, and gasket removers. Explore our large assortment of heavy duty parts to find what you need to keep you on the road.Mahle is a lead manufacturer of engine components, electric components, and more for heavy duty trucks and trailers. Mahle strives for more efficient, cost-effective, and durable products. Mahle delivers excellence through innovation and high-quality products meeting customer needs. Mahle started in 1920. They currently have 172 locations worldwide, employing over 72,000 people worldwide.