Gates 18984 HVAC Heater Hose - Auxiliary Heater To Pipe-2, Auxiliary Radiator Outlet or Valve To Engine

Reliable HVAC Heater Hose for Dodge, Lexus, Mercury, and Nissan

The Gates Molded Heater Hose 18984 is engineered to provide dependable heating system performance for select Dodge, Lexus, Mercury, and Nissan vehicles. Designed with durable EPDM material and precise molded construction, this heater hose ensures a secure fit and long-lasting service.

• Constructed from high-quality EPDM material for heat and chemical resistance
• Molded design for exact fit and easy installation
• Centerline length of 17.3 inches (439 mm) for accurate replacement
• Consistent inside diameter of 0.62 inches (16 mm) on both ends
• Compatible with Dodge Ram 1500, Lexus RX450h, Mercury Villager, and Nissan Quest models

About the Gates Molded Heater Hose Product Line

The Molded Heater Hose line by Gates focuses on precision-engineered hoses designed to meet specific vehicle requirements. These hoses are molded to exact dimensions, reducing the need for modifications and ensuring a reliable seal within the HVAC system. The 18984 part number is part of this line, offering a tailored fit for various makes and models, including Dodge, Lexus, Mercury, and Nissan vehicles.

Product Details and Specifications

This HVAC heater hose features a uniform inside diameter of 0.62 inches (16 mm) on both ends, facilitating consistent coolant flow. The molded construction provides a centerline length of 17.3 inches (439 mm), matching OEM specifications for a direct replacement. Made from EPDM, the hose resists heat, ozone, and coolant chemicals, which helps maintain system integrity under demanding conditions. The absence of quick connect fittings and branches simplifies installation and reduces potential leak points.

Common Applications and Problem Solving

• Replacement of worn or cracked heater hoses in Dodge Ram 1500 and Nissan Quest HVAC systems
• Resolving coolant leaks that cause insufficient cabin heating in Lexus RX450h
• Addressing hose degradation due to heat exposure in Mercury Villager vehicles
• Ensuring proper coolant flow and preventing overheating in HVAC heater circuits
• Maintaining system pressure and preventing coolant loss in compatible models

Installation Notes and Tips

Before installation, verify the part number 18984 matches your vehicle’s OEM specifications. The molded design allows for straightforward replacement without the need for hose modifications. Ensure all clamps and connections are secure to prevent leaks. It is recommended to inspect adjacent components for wear during replacement to maintain overall HVAC system performance.

Quality Assurance and Warranty

Gates manufactures the Molded Heater Hose 18984 to meet stringent quality standards, using durable EPDM material for extended service life. While specific warranty details are not provided here, Gates products typically come with manufacturer-backed warranties covering defects in materials and workmanship. Refer to official Gates documentation for exact warranty terms.