Box Contents: You will receive two T-type three-way car heater inlet hose connectors. Compatible with Select Cadillac Chevrolet GMC Models, replace OEM part number 15055343 15055342. Sealing Performance: The three-way heater inlet hose connector is reasonably designed to effectively seal, avoid coolant leakage, and ensure stable and safe operation of the heater system. Material Selection: The joint is made of high temperature and pressure resistant materials to ensure that it will not deform or crack in high temperature and high pressure working environments. Easy Installation: The T-shaped design makes the connection more convenient, and multiple hoses can be connected at the same time, saving installation space and improving installation efficiency. Perfect After-sales: We are committed to providing you with a perfect shopping experience, if you have any usage problems, please feel free to contact us directly, we will solve the problem for you within 24 hours on working days.