RADIATOR/HEATER HOSE KITS for 2016-2025 Lexus RC300

Complete your cooling system with premium radiator and heater hose upgrades engineered for reliability and performance.

Your cooling system is only as dependable as the components connecting it together. FIGS offers high-quality radiator hoses, heater hose upgrades, hard lines, couplers, and cooling system accessories designed to withstand the demands of daily driving, high-performance street use, and motorsports.

Our selection includes reinforced silicone hose kits, titanium hard lines, hose coupler kits, radiator caps, and other cooling system components for a variety of Lexus, Toyota, and performance applications. Whether you're replacing aging factory hoses, upgrading your engine bay, or supporting a high-performance cooling system, FIGS provides premium solutions engineered for exceptional fitment, durability, and long-term reliability.