Gates 19638 HVAC Heater Hose - Heater To Pipe-2

Overview of Gates Molded Heater Hose 19638

The Gates Molded Heater Hose 19638 is designed for reliable HVAC system performance in select Buick, Oldsmobile, and Pontiac vehicles. Engineered with durable EPDM material, this molded heater hose ensures consistent heat transfer and long-lasting service in automotive heating applications.

• Constructed from high-quality EPDM rubber for heat and ozone resistance
• Molded design for precise fit and leak prevention
• Centerline length of 16.1 inches (409 mm) for accurate replacement
• Inside diameter of 0.75 inches (19 mm) on both ends
• Compatible with Buick, Oldsmobile, and Pontiac models including Bonneville, Delta 88, Grand Prix, and LeSabre

Detailed Product Description

This HVAC heater hose from the Gates Molded Heater Hose line is specifically molded to match OEM specifications, providing a direct replacement for worn or damaged heater hoses in your vehicle's heating system. The EPDM material offers excellent resistance to heat, coolant, and environmental factors, helping maintain system integrity under demanding conditions. With a centerline length of 16.1 inches (409 mm) and consistent 0.75 inch (19 mm) inside diameters on both ends, this hose fits securely without the need for modifications.

The Molded Heater Hose product line by Gates focuses on delivering hoses that are pre-formed to exact shapes, reducing installation time and minimizing the risk of leaks or kinks. This part number 19638 is part of that line, ensuring compatibility and performance for HVAC systems in specific GM vehicles.

Compatible Vehicles and Applications

• Buick Bonneville
• Oldsmobile Delta 88
• Pontiac Grand Prix
• Buick LeSabre

This heater hose is intended for use in the heating and cooling system to transport hot coolant from the engine to the heater core, enabling cabin heat. It addresses common issues such as:

• Leaking or cracked heater hoses
• Coolant loss due to hose deterioration
• Reduced heating efficiency from collapsed or clogged hoses
• Hose deformation causing coolant flow restrictions

Installation Notes and Tips

Ensure the engine is cool before beginning installation to avoid burns from hot coolant. Drain the cooling system partially to prevent spills. Remove the old heater hose carefully, noting the routing and orientation. The molded design of part number 19638 allows for straightforward installation without bending or twisting. Use appropriate clamps to secure the hose ends and check for leaks after installation.

Quality Assurance and Warranty

Gates Molded Heater Hose 19638 is manufactured to meet or exceed OEM standards for durability and performance. The EPDM construction provides resistance to heat, ozone, and coolant chemicals, contributing to a longer service life. While specific warranty details are not provided here, Gates products typically come with a limited warranty against defects in material and workmanship.