Car enthusiasts building custom fuel systems, brake lines, or oil systems, this -4AN blue anodized flare union adapter is exactly what you need for clean, reliable connections. The precision machining ensures perfect thread engagement every time, and the 37-degree flare sealing angle guarantees no leaks even under high pressure. Made from lightweight aluminum with a beautiful blue anodized finish that looks professional and matches other Russell performance components. The straight design makes it perfect for connecting two -4AN hose ends in a straight line. Whether you're working on fuel lines, oil systems, transmission coolers, or power steering, this adapter provides a leak-proof connection that looks as good as it functions. The anodizing isn't just for looks - it provides corrosion resistance and durability. Russell is known for quality in the performance world, and this adapter lives up to that reputation. Installation is straightforward if you're familiar with AN fittings - just make sure both mating surfaces are clean and use proper sealing techniques. Much better quality than cheap imported fittings that might leak or strip threads. If you're building or upgrading any fluid system on your car, truck, or motorcycle, having quality AN fittings like this makes all the difference in reliability and appearance.
Free 30-day returns 
Free 30-day returns
