Gates 19889 HVAC Heater Hose - Heater - Left Side or Heater Outlet

Overview of Gates Molded Heater Hose 19889

The Gates Molded Heater Hose 19889 is designed for reliable HVAC system performance in select Ford, Lincoln, and Mercury vehicles. Engineered with durable EPDM material, this molded heater hose ensures consistent heat transfer and long-lasting service in your Fusion, Milan, or MKZ.

• Constructed from high-quality EPDM for heat and chemical resistance
• Molded design for precise fit and leak prevention
• End 1 inside diameter: 0.62 inches (16 mm)
• End 2 inside diameter: 0.75 inches (19 mm)
• Centerline length: 26.3 inches (668 mm)
• Compatible with Ford Fusion, Lincoln MKZ, and Mercury Milan HVAC systems

About the Molded Heater Hose Product Line

The Gates Molded Heater Hose line focuses on delivering pre-formed hoses that match original equipment specifications. This product line reduces installation time and potential leaks by providing hoses molded to exact dimensions. The 19889 part benefits from this approach, offering a precise fit for HVAC heater connections in compatible Ford, Lincoln, and Mercury models.

Detailed Product Description

This HVAC heater hose is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and automotive fluids. The molded construction of part number 19889 ensures a secure and accurate fit, minimizing the risk of leaks or hose failure. With a centerline length of 26.3 inches (668 mm), and differing inside diameters on each end (0.62 inches/16 mm and 0.75 inches/19 mm), this hose is designed to meet the specific routing and connection requirements of the Ford Fusion, Lincoln MKZ, and Mercury Milan HVAC systems.

Common Applications and Issues Addressed

• Replacement of cracked or leaking heater hoses in Ford Fusion HVAC systems
• Resolving coolant leaks causing insufficient cabin heating in Lincoln MKZ
• Repairing deteriorated hoses in Mercury Milan heater core circuits
• Preventing overheating issues related to faulty heater hose connections
• Maintaining proper coolant flow for HVAC system efficiency

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 kinks or interference with other components. Use appropriate clamps to secure the hose ends firmly. Inspect adjacent components for wear or damage during replacement to maintain system integrity.

Quality Assurance and Warranty

Gates Molded Heater Hose 19889 is manufactured to meet or exceed OEM standards for durability and performance. The EPDM material and molded design contribute to long service life under normal operating conditions. Warranty coverage details should be confirmed with the product documentation or supplier.