Gates 19645 HVAC Heater Hose - Heater To Intake Manifold

Overview of Gates Molded Heater Hose 19645

The Gates Molded Heater Hose 19645 is designed specifically for Saturn SC, SC2, SL2, and SW2 models. Constructed from durable EPDM material, this molded heater hose ensures reliable performance in your vehicle's HVAC system.

• Made from high-quality EPDM rubber for heat and chemical resistance
• Molded design for precise fit and easy installation
• Centerline length of 15.3 inches (389 mm) for accurate replacement
• Consistent inside diameter of 0.75 inches (19 mm) on both ends
• Compatible with Saturn SC, SC2, SL2, and SW2 HVAC systems

About the Molded Heater Hose Product Line

The Molded Heater Hose line by Gates offers pre-formed hoses engineered to match original equipment specifications. This product line focuses on delivering exact fitment and durability, reducing installation time and potential leaks. The molded construction of the 19645 part number ensures it conforms precisely to the HVAC routing in Saturn vehicles, maintaining system integrity and performance.

Detailed Product Description

The Gates Molded Heater Hose 19645 features EPDM construction, known for its resistance to heat, ozone, and automotive fluids, making it suitable for HVAC heater core connections. Both ends of the hose have an inside diameter of 0.75 inches (19 mm), ensuring compatibility with factory fittings. The 15.3-inch (389 mm) centerline length matches OEM specifications, providing a direct replacement without modification. The molded design eliminates the need for bending or shaping during installation, which helps maintain consistent flow and reduces the risk of kinks or leaks.

Common Applications and Issues Addressed

• Replacement of worn or cracked heater hoses in Saturn SC, SC2, SL2, and SW2 models
• Resolving coolant leaks in the HVAC heater core circuit
• Preventing overheating caused by restricted or damaged heater hoses
• Restoring proper heater core function for cabin heating performance
• Eliminating hose collapse or deformation due to age or heat exposure

Installation Notes and Tips

Ensure the engine is cool before beginning installation to avoid burns from hot coolant. Verify hose routing matches the original configuration to prevent interference with other engine components. Use appropriate clamps to secure both ends of the hose firmly. Inspect adjacent hoses and fittings for wear during replacement to maintain overall HVAC system reliability.

Quality Assurance and Warranty

Gates Molded Heater Hose 19645 is manufactured to meet or exceed OEM standards for durability and performance. The EPDM material provides long service life under typical operating conditions. While specific warranty details are not provided here, Gates products generally come with a limited warranty against defects in material and workmanship.