Ensure your semi is Ready for the Road Ahead with a flexible transfer of fluids, with the Power Products 1/2" X 3/8" NP69 90° Male Swivel Push-On Brass Elbow. Thanks to its 90° design and swivel feature, this replacement piece is able to offer rotational movement around obstacles or tight spaces. Crafted with an ergonomic design to allow hoses to quickly snap in place. FleetPride is your First Click in Heavy Duty .