HPS Performance High Temp Reinforced Silicone Heater Coolant Hose Kit, Blue, 57 1803 BLUE HPS Performance High Temp Reinforced Silicone Radiator Coolant Hose Ki HPS Performance 57 1473 RED HPS Red High Temp 3 ply Reinforced Silicone HPS Performance High Temp Reinforced Silicone Heater Coolant Hose Kit,. Key Features Ideal replacement or performance upgrade for OEM rubber heater hoses which can eventually weaken over time, leading to premature failure. Withstands harsh high temperature and high pressure operating conditions while maintaining peak efficiency during competition or daily driving. Max. temperature rating: 350F (177C). Includes HPS 100% stainless steel industrial grade embossed hose clamps which will not cut through the hoses. Race proven design ensures long lasting quality over the stock rubber hoses. Replaces OEM PN: 72421SA033, 72411FE001 HPS High Temp 3 ply Reinforced Silicone Heater Coolant Hose Kit is designed to replace stock OEM rubber hoses which can eventually weaken over time, leading to premature failure. With premium quality silicone and race inspired design, this HPS silicone heater hose kit can withstand the harsh high temperature and high pressure operating conditions of the engine yet still maintaining peak efficiency during competition or daily driving. HPS silicone coolant hose kit has all the correct bends and curves for a perfect fit replacement for your OEM rubber coolant hoses, compare to the universal hoses you can get from the local auto store, HPS hose kit is much easier to work with. Max. Temperature Rating: 350 deg. F. 100% Stainless Steel Clamps are included for easy installation. Vehicle Application 2004 Subaru Impreza WRX 2. 0L Turbo