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Reinforced Silicone: These hump coupler hose features multi-ply reinforced high temperature material which meet or exceed SAEJ20 Standard
We recommend adding the Smarty Touch specific EGT probe to allow you to read exhaust gas temperature readings
Additional engineered features include a steel adapter
keeping your engine responsive
PPE Heater Outlet Hose 20-26 GM 6.6L Duramax L5P HS-HS54579 Reinforced Silicone: These hump couplerAre you dealing with a cracked or worn outlet heater hose on your L5P Duramax? The PPE Outlet Heater Core Supply Hose Kit is designed to replace the weak OEM rubber hose with a heavy duty silicone upgrade built to handle the temperatures and pressure cycles found in diesel applications. Factory coolant hoses can deteriorate over time from heat, vibration, and constant pressure fluctuations, eventually leading to leaks or premature failure. PPEs
