Gates 19901 HVAC Heater Hose - Heater Inlet

Overview of Gates Molded Heater Hose 19901

The Gates Molded Heater Hose 19901 is designed specifically for Nissan Altima and Maxima models, providing reliable HVAC system performance. Constructed from durable EPDM material, this molded heater hose ensures consistent heat transfer and long-lasting service.

• Constructed from high-quality EPDM material for heat and chemical resistance
• Molded design for precise fit and easy installation
• Inside diameter of 0.73 inches (19 mm) on both ends
• Centerline length of 28.9 inches (734 mm) for accurate fitment
• Compatible with Nissan Altima and Maxima HVAC systems

Detailed Product Description

The Gates Molded Heater Hose 19901 is engineered to meet the specific HVAC requirements of Nissan Altima and Maxima vehicles. Made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids, this hose maintains integrity under demanding engine compartment conditions. The molded construction ensures a precise shape that matches OEM specifications, reducing the risk of leaks and simplifying installation. Both ends of the hose have an inside diameter of 0.73 inches (19 mm), and the centerline length measures 28.9 inches (734 mm), providing a direct replacement without modification.

About the Molded Heater Hose Product Line

The Gates Molded Heater Hose line focuses on delivering hoses that are pre-formed to fit specific vehicle applications. This eliminates the need for bending or shaping during installation, which can compromise hose integrity. The molded design of the 19901 part number ensures a secure and leak-free connection within the HVAC system of Nissan Altima and Maxima models, supporting efficient cabin heating performance.

Common Applications and Issues Addressed

• Replacement of cracked or leaking heater hoses in Nissan Altima and Maxima HVAC systems
• Restoring proper coolant flow to the heater core
• Preventing coolant loss and overheating caused by damaged hoses
• Eliminating soft or swollen hose sections that reduce heating efficiency
• Ensuring a secure fit to avoid disconnections or coolant leaks

Installation Notes and Tips

• Verify hose dimensions and fitment with your specific Nissan Altima or Maxima model year
• Drain coolant system before removing the old heater hose to prevent spills
• Inspect hose connections and clamps for wear and replace if necessary
• Ensure the molded hose is oriented correctly to match OEM routing
• After installation, refill and bleed the cooling system to remove air pockets

Quality Assurance and Warranty

Gates manufactures the Molded Heater Hose 19901 to meet stringent quality standards, using EPDM material for durability and resistance to automotive fluids and heat. While specific warranty details are not provided, Gates products typically adhere to industry standards for reliability and performance in HVAC applications.