2017-2025 Duramax L5P 3D Printed Coolant Drain Tube - Square Root Fab

Make coolant service cleaner and easier again with the Square Root Fabrication Coolant Drain Tubes, designed for 2017–current Chevrolet Silverado and GMC Sierra 2500HD and 3500HD trucks. These simple but highly effective tubes help direct coolant away from the frame and suspension when draining the cooling system, preventing the messy spills that commonly occur with the factory drain location.