Gates 18249 HVAC Heater Hose

Reliable HVAC Heater Hose for Cadillac, Mitsubishi, Nissan, and Oldsmobile

The Gates Molded Heater Hose 18249 is engineered to provide dependable performance in your vehicle's heating system. Designed with durable EPDM material, this molded heater hose ensures a precise fit and long-lasting service for select Cadillac, Mitsubishi, Nissan, and Oldsmobile models.

• Constructed from high-quality EPDM material for heat and chemical resistance
• Molded design for exact fit and easy installation
• Centerline length of 7.1 inches (180 mm) for accurate replacement
• Consistent inside diameter of 0.34 inches (9 mm) on both ends
• Compatible with multiple vehicle makes and models including Altima, Aurora, DeVille, Eclipse, Eldorado, Galant, and Seville

About the Gates Molded Heater Hose Product Line

The Molded Heater Hose line by Gates focuses on precision-engineered hoses that are molded to match original equipment specifications. This ensures a secure fit and reliable performance in HVAC systems. The molded construction reduces the risk of leaks and improves durability compared to generic hoses, making it suitable for vehicles requiring exact replacement parts like the 18249.

Detailed Product Description

This HVAC heater hose features EPDM rubber, known for its resistance to heat, ozone, and automotive fluids, which helps maintain integrity under demanding engine conditions. Both ends of the hose have an inside diameter of 0.34 inches (9 mm), providing consistent flow and compatibility with factory fittings. The 7.1-inch (180 mm) centerline length matches OEM specifications, ensuring proper routing and connection within the heating system. The molded design eliminates the need for additional clamps or fittings, simplifying installation and reducing potential leak points.

Common Applications and Issues Addressed

• Replacement of cracked or leaking heater hoses in Cadillac DeVille and Seville models
• Restoring proper coolant flow in Mitsubishi Eclipse and Galant heating systems
• Fixing heater hose failures causing insufficient cabin heat in Nissan Altima
• Resolving coolant leaks in Oldsmobile Aurora and Eldorado HVAC systems
• Maintaining system pressure and preventing overheating due to hose degradation

Installation Notes and Tips

Before installation, ensure the engine is cool and the cooling system is depressurized. Verify the hose length and diameter match the original part. The molded design of the Gates 18249 heater hose allows for straightforward replacement without modification. Inspect surrounding components for wear or damage during installation to prevent future leaks. Properly secure hose ends to prevent disconnection under pressure.

Quality Assurance and Warranty

Gates Molded Heater Hose 18249 is manufactured to meet or exceed OEM standards for durability and performance. The EPDM material and molded construction provide resistance to heat, pressure, and automotive fluids. While specific warranty details are not provided, Gates products typically come with a limited warranty against defects in material and workmanship, ensuring confidence in your replacement part.