Want to protect your vehicle for the long haul? This upgraded multi-layer silicone Y-hose is built to handle the high temperatures that can lead to overheating. The integrated one-way valve ensures that coolant flows as it should, and the durable silicone won’t crack or leak like the factory rubber hoses. It also comes with new worm-gear clamps for a tight, reliable seal. For even more durability, protective heat sleeves are included to shield the hose from harsh under-hood conditions so your truck stays running cool and leak-free.