Gates 18739 HVAC Heater Hose

Reliable HVAC Heater Hose for Ford, Jeep, Lincoln, and More

The Gates Molded Heater Hose 18739 is engineered to provide dependable performance in your vehicle's heating and cooling system. Designed with precision molding and durable EPDM material, this heater hose ensures a secure fit and long-lasting service for select Ford, Jeep, Lincoln, Mercury, Nissan, and Toyota models.

• Constructed from high-quality EPDM material for heat and chemical resistance
• Molded design for precise fit and easy installation
• End 1 inside diameter: 0.62 inches (16 mm)
• End 2 inside diameter: 0.75 inches (19 mm)
• Centerline length: 10.3 inches (262 mm)
• Compatible with multiple vehicle makes and models including Ford Taurus, Jeep Liberty, Lincoln Continental, Nissan Sentra, and Toyota Sienna

About the Gates Molded Heater Hose Product Line

The Molded Heater Hose line by Gates focuses on delivering hoses that are pre-formed to match specific vehicle applications. This reduces installation time and ensures a leak-free connection by eliminating the need for bending or shaping the hose during installation. The 18739 part number is part of this line, offering a molded hose solution that fits precisely within the HVAC system of various Ford, Jeep, Lincoln, Mercury, Nissan, and Toyota vehicles.

Detailed Product Description

The Gates Molded Heater Hose 18739 is made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids. The hose features two different inside diameters at each end—0.62 inches (16 mm) and 0.75 inches (19 mm)—to accommodate specific HVAC system connections. With a centerline length of 10.3 inches (262 mm), this molded hose is designed to fit the routing requirements of compatible vehicles without the need for modification. The absence of quick connect fittings and branches simplifies the hose design, focusing on durability and fitment accuracy.

Common Applications and Issues Addressed

• Replacement of worn or cracked heater hoses in Ford Taurus and Lincoln Continental HVAC systems
• Resolving coolant leaks caused by deteriorated hoses in Jeep Liberty and Mercury Sable models
• Maintaining proper heater core function in Nissan Sentra and Toyota Sienna vehicles
• Preventing overheating issues related to faulty heater hose connections
• Ensuring consistent cabin heating performance by restoring proper coolant flow

Installation Notes and Tips

Before installation, verify the hose dimensions and fitment against your vehicle’s specifications. The molded design of the Gates 18739 heater hose allows for straightforward replacement without the need for bending or cutting. Ensure all clamps and connections are secure to prevent leaks. It is recommended to inspect adjacent HVAC components during installation for any signs of wear or damage.

Quality Assurance and Warranty

Gates manufactures the Molded Heater Hose 18739 to meet or exceed OEM standards for durability and performance. The EPDM material provides resistance to heat and automotive fluids, 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 materials and workmanship.