Collection: Auto - Silicone

Upgrade your vehicle’s fluid and air systems with the heat-resistant durability of our selection of Auto Siliconecomponents. At DIY Customs, we provide high-performance multi-ply silicone hoses, specialized RTV silicone gasket makers, durable silicone vacuum lines, and heavy-duty intercooler couplers designed for a perfect fit in turbocharged engines, cooling systems, and custom intake setups. Whether you are seeking a specialized 90-degree silicone elbow for a custom radiator path, outfitting your engine bay with specialized colored vacuum hoses for a show-quality finish, or seeking specialized sensor-safe silicone sealant for intake manifold repairs, our professional-grade silicone offers the pressure rating and thermal stability you need at unbeatable prices. From specialized fuel-resistant silicone sleeves to direct-fit hose kits for popular performance platforms, we carry the essential gear for every high-temp project. Don't see the specific hose diameter (1" to 5"+), ply count (3-ply / 4-ply), or specialized color for your build? Hit the live chat or call 412-882-8346—we can special order and drop-ship exactly what you are looking for directly to your doorstep!