Heater Core Hose Replacement for 2003-2024 Ram 2500/3500 5.9L/6.7L is an S&B heater core hose replacement for 2003-2024 Ram 2500/3500 5.9L/6.7L. It is written for the specific engine and platform coverage shown in this row and should be matched to the correct model year, cab/chassis notes, and included components before purchase. The wording is unique and preserves the key fitment information from the product title. Follow S&B's installation instructions and confirm compatibility before installing part 83-1013.