Collection: Auto - Shut-Off Valve

Ensure total control over your vehicle’s fluid systems and prevent hazardous leaks with our selection of Auto Shut-Off Valve components. At DIY Customs, we provide high-durability manual ball valves, specialized electric fuel shut-off solenoids, durable inline vacuum cut-offs, and heavy-duty emergency safety valves designed for a perfect fit in fuel systems, water-injection lines, and air suspension plumbing. Whether you are seeking a specialized anti-siphon valve for a marine or RV application, outfitting your performance build with a specialized remote shut-off for track safety compliance, or seeking specialized check-valves to prevent backflow in sensitive lines, our professional-grade hardware offers the pressure rating and leak-proof sealing you need at unbeatable prices. From specialized brass and stainless steel fittings to direct-fit valve kits for popular aftermarket fuel cells, we carry the essential gear for every fluid management project. Don't see the specific port size (1/8" NPT to 1/2"+), voltage (12V / 24V), or specialized chemical resistance for your fluid type? 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!