Gates 19679 HVAC Heater Hose

Overview of Gates Molded Heater Hose 19679

The Gates Molded Heater Hose 19679 is designed to provide reliable heating system performance for select Chevrolet, Oldsmobile, and Pontiac vehicles. Engineered with durable EPDM material, this molded heater hose ensures a precise fit and long-lasting service in your HVAC system.

• Constructed from high-quality EPDM rubber for heat and chemical resistance
• Molded design for exact fit and easy installation
• End 1 inside diameter: 0.72 inches (18 mm)
• End 2 inside diameter: 0.85 inches (22 mm)
• Centerline length: 3 inches (76 mm)
• Compatible with Chevrolet Cutlass Supreme, Oldsmobile Cutlass Supreme, Pontiac Grand Prix, Lumina, and Monte Carlo models

About the Molded Heater Hose Product Line

The Gates Molded Heater Hose line focuses on precision-molded hoses that match original equipment specifications. This product line is designed to provide consistent flow and durability in HVAC systems, reducing the risk of leaks and premature failure. The molded construction of part number 19679 ensures a secure fit and reliable performance in the heating circuits of compatible vehicles.

Detailed Product Description

This HVAC heater hose is made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids. The molded design of the Gates 19679 heater hose allows for a precise fit with two different inside diameters at each end—0.72 inches (18 mm) and 0.85 inches (22 mm)—to accommodate specific connection points within the heating system. With a centerline length of 3 inches (76 mm), this hose is engineered to maintain proper coolant flow and system integrity in Chevrolet Cutlass Supreme, Oldsmobile Cutlass Supreme, Pontiac Grand Prix, Lumina, and Monte Carlo vehicles.

Common Applications and Problem Solving

• Replacement of worn or cracked heater hoses causing coolant leaks
• Restoring proper heater core flow for effective cabin heating
• Addressing hose swelling or softening due to heat exposure
• Preventing overheating issues related to compromised heater hoses
• Maintaining HVAC system pressure and preventing air intrusion

Installation Notes and Tips

Ensure the engine is cool before beginning installation to avoid burns from hot coolant. Verify the hose routing matches the original configuration to prevent kinks or interference with other components. Use appropriate clamps to secure the hose ends firmly without over-tightening, which can damage the hose. Inspect adjacent components for wear or damage during replacement to maintain overall system reliability.

Quality Assurance and Warranty

Gates Molded Heater Hose 19679 is manufactured to meet or exceed OEM specifications for fit, form, and function. The EPDM material and molded construction provide durability under typical operating conditions. While specific warranty details are not provided, Gates products generally come with a limited warranty against defects in material and workmanship.