Collection: Auto - Steel Hose/Tubing

Ensure maximum pressure containment and corrosion resistance with our selection of Auto Steel Hose/Tubingcomponents. At DIY Customs, we provide high-durability seamless steel tubing, specialized PVF-coated brake lines, durable stainless steel fuel tubing, and heavy-duty braided steel hoses designed for a perfect fit in automotive hydraulic systems, transmission coolers, and custom fuel delivery setups. Whether you are seeking a specialized coil of easy-bend NiCopp or steel tubing for a full brake line restoration, outfitting your performance build with specialized PTFE-lined braided hoses for E85 compatibility, or seeking specialized hard-line fittings and unions for a leak-free repair, our professional-grade plumbing gear offers the burst strength and flexibility you need at unbeatable prices. From specialized double-flared lines to direct-fit tubing kits for popular truck and passenger car chassis, we carry the essential gear for every fluid management project. Don't see the specific outer diameter (3/16" / 1/4" / 3/8" / 5/16"), wall thickness, or specialized fitting type for your lines? 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!