Mishimoto Silicone Radiator Hose Kit for Duramax L5P Durable High-Heat Resistant

Mishimoto Silicone Radiator Hose Kit for Duramax L5P — Durable, High-Heat Resistant Upgrade your 2017–2019 6.6L L5P Duramax with a direct-fit silicone radiator hose kit engineered for extreme duty. Replace aging OEM rubber/plastic hoses that harden, crack, or leak after repeated heat cycles and heavy use. Five-layer silicone construction with heat-resistant embedded fibers for superior durability and flexibility. All-aluminum hose junctions for robust, long-lasting connections that resist corrosion and warping. Complete installation kit includes stainless-steel clamps and a replacement O-ring for the lower quick-disconnect fitting — everything needed for a leak-free swap. Available colors: Black, Blue, Red — match or customize your engine bay. Mishimoto Lifetime Warranty for confidence and long-term protection. Designed for hauling, towing, idling, and high-stress miles, this Mishimoto kit restores dependable coolant flow and reduces downtime from coolant leaks. Ideal for truck owners, fleet managers, and performance enthusiasts seeking a reliable, maintenance-friendly upgrade. Benefits: improved heat resistance, extended service life, easier installation, OEM-fit performance.