The product is a new-old stock OEM Mopar vacuum line for the AC and heater system in 1998-1999 vehicles. It has the part number 5013679AA and is compatible with 68073610aa. This high-quality vacuum line is essential for maintaining proper functioning of the heating and cooling system in your vehicle, ensuring optimal performance and efficiency. Made by the trusted brand Mopar, you can rely on this product to provide a reliable solution for your car or truck's heating and AC system needs. This item came from a a machine shop /parts store that shut down due to illness after 35+ years of operation. Please make sure it’s correct for your vehicle before purchasing. This item has no warranty. Thanks for looking and have a great day.