Gates 19658 HVAC Heater Hose

Overview of Gates Molded Heater Hose 19658

The Gates Molded Heater Hose 19658 is designed to provide reliable heating system performance for select Buick, Cadillac, Chevrolet, Mercury, Nissan, Oldsmobile, Pontiac, and Saturn vehicles. Engineered with durable EPDM material, this molded heater hose ensures consistent heat transfer and long-lasting service in automotive HVAC systems.

• Constructed from high-quality EPDM material for heat and chemical resistance
• Molded design for precise fit and easy installation
• Centerline length of 6.8 inches (173 mm) for accurate replacement
• Inside diameter of 0.72 inches (18 mm) on both ends
• Compatible with multiple makes and models including Buick Aurora, Cadillac DeVille, Chevrolet Cobalt, and more

Detailed Product Description

This HVAC heater hose from Gates is part of the Molded Heater Hose product line, which focuses on delivering hoses that are pre-formed to match original equipment specifications. The molded construction of part number 19658 eliminates the need for bending or shaping during installation, reducing the risk of kinks or leaks. Made from EPDM, the hose resists heat, ozone, and coolant chemicals, making it suitable for the demanding environment of automotive heating systems.

The hose features a consistent inside diameter of 0.72 inches (18 mm) on both ends, ensuring proper flow and connection compatibility. With a centerline length of 6.8 inches (173 mm), it fits precisely in the designated routing paths of compatible vehicles.

Compatible Vehicles and Applications

This molded heater hose is compatible with a range of vehicles, including:

• Buick Aurora
• Cadillac DeVille, Eldorado, Seville
• Chevrolet Cobalt, Ion
• Mercury Villager
• Nissan Quest
• Oldsmobile Bonneville, Riviera
• Pontiac Grand Am, Grand Prix
• Saturn Ion

It is designed to replace worn or damaged heater hoses in these models, restoring proper heater core function and coolant flow.

Common Issues Addressed by This Heater Hose

• Leaking or cracked heater hoses causing coolant loss
• Reduced heater core performance due to restricted flow
• Overheating issues related to faulty heater hose connections
• Hose collapse or kinking affecting coolant circulation
• Premature hose failure from heat and chemical exposure

Installation Notes and Tips

When installing the Gates Molded Heater Hose 19658, ensure the vehicle is cool and the cooling system is depressurized. The molded shape allows for straightforward installation without modification. Verify the hose routing matches the original path to prevent kinks or interference with other components. Use appropriate clamps to secure hose ends and check for leaks after installation.

Quality Assurance and Warranty

Gates Molded Heater Hose 19658 is manufactured to meet or exceed OEM specifications for durability and performance. The EPDM material and molded design contribute to a reliable, long-lasting replacement part. While specific warranty details are not provided, Gates products typically come with a limited warranty against defects in material and workmanship.