This listing is for a set of 2 airsprings designed for trailers, which can be used to replace Firestone W01-358-9978 or Hendrickson C-28929 airsprings. These airsprings are made in Turkey and come with a warranty of 1 year. They are compatible with a wide range of commercial truck parts and accessories, making them a versatile choice for your trailer. Whether you are looking to replace worn-out airsprings or upgrade your trailer's suspension, these airsprings are a reliable and high-quality option. Order now to take advantage of their great value and improve your trailer's performance on the road.