Upgrade your cooling system with the PPE Silicone Radiator Surge Tank Three-Way Hose for 2015-2016 GM 6.6L Duramax LML.

This heavy-duty silicone replacement hose connects the radiator coolant tank, heater outlet tube, and upper radiator, ensuring proper coolant flow and system efficiency. Unlike the factory hose that hardens and becomes prone to leaks over time, PPE’s durable 5mm thick silicone construction offers superior heat and pressure resistance for long lasting performance. Designed as a direct replacement, this hose provides an OEM fit with better than OEM durability

Keep your Duramax running cooler and more reliably, whether you’re towing, hauling, or just daily driving.