Features: Engineered for rapid heat transfer and leak proof . The heavy duty iron construction and molded connectors deliver sealing integrity under extreme pressure, while factory dimensions enable tool installation for optimal coolant circulation in modern and engines. Ideal for enthusiasts and professional mechanics maintaining 2011 2020 or models in cold climates, particularly those seeking reliability for winter commutes or extended highway drives. Performs flawlessly during sub morning startups, heavy idling, or country winter road trips, maintaining consistent HVAC across diverse driving conditions from stop and go to high speed cruising. Outperforms standard PVC hoses with 30% greater thermal and 50% enhanced sealing capacity. Specifications: Type: Heater return hose Part number: 55038030AN Materials: Rubber + Metal Color: As shown in the picture Applicable models: Suitable for 3.6L/5.7L 2011-2014, 3.0L/3.6L/5.7L/6.2L/6.4L 2011-2020 Package Includes: 1 x Heater return pipe note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.