Gates 28474 HVAC Heater Hose

Overview of Gates 90 Degree Molded Heater Hose 28474

The Gates 90 Degree Molded Heater Hose 28474 is designed for reliable HVAC system performance in a wide range of vehicles. Engineered with durable EPDM material, this molded heater hose ensures a precise 90-degree bend for optimal fitment and efficient coolant flow.

• Constructed from high-quality EPDM rubber for heat and chemical resistance
• 90-degree molded design for accurate routing and installation
• Inside diameter of 0.75 inches (19 mm) on both ends
• Centerline length of 10 inches (254 mm) for proper fit
• Arm lengths of 4 inches (102 mm) and 6 inches (152 mm) to accommodate specific HVAC layouts
• No quick connect fittings, designed for secure hose connections

Detailed Product Description

The Gates 90 Degree Molded Heater Hose 28474 is manufactured from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids. This hose features a molded 90-degree angle, which helps maintain proper coolant flow and prevents kinking in tight engine compartments. With an inside diameter of 0.75 inches (19 mm) on both ends, it fits securely onto heater core and engine connections. The centerline length of 10 inches (254 mm) and arm lengths of 4 inches (102 mm) and 6 inches (152 mm) provide precise dimensions to match OEM specifications for many vehicle HVAC systems.

This hose is compatible with a broad range of makes and models, including Acura, Audi, Buick, Cadillac, Chevrolet, Chrysler, Dodge, Ford, GMC, Honda, Hummer, INFINITI, Isuzu, Jeep, Land Rover, Lexus, Lincoln, Mazda, Mercury, Nissan, Oldsmobile, Pontiac, Ram, Saab, Saturn, Toyota, and Volkswagen. Specific models such as the Toyota 4Runner, Saab 9-5, Nissan 300ZX, Ford Explorer, and Chevrolet Silverado 1500 are among those supported.

About the 90 Degree Molded Heater Hose Product Line

The Gates 90 Degree Molded Heater Hose product line focuses on delivering molded hoses with precise bends to ensure proper fit and function within vehicle HVAC systems. This line is engineered to meet or exceed OEM standards, providing reliable coolant transfer and resistance to heat and chemical exposure. The molded design reduces installation complexity and improves system durability by minimizing hose stress and potential leaks.

Common Applications and Issues Addressed

• Replacement of cracked or leaking heater hoses in HVAC systems
• Resolving coolant flow restrictions caused by bent or collapsed hoses
• Preventing overheating issues related to faulty heater core connections
• Eliminating coolant leaks that cause engine compartment damage
• Maintaining proper heater function in vehicles such as the Honda Accord, Ford Ranger, and Lexus RX

Installation Notes and Tips

• Ensure the hose is routed without twisting to maintain the 90-degree bend
• Verify inside diameter compatibility with existing heater core and engine fittings
• Use appropriate clamps to secure hose ends and prevent leaks
• Inspect surrounding components for wear or damage during installation
• Allow the engine to cool before removing the old hose to avoid burns

Quality Assurance and Warranty

Gates manufactures the 90 Degree Molded Heater Hose 28474 to meet stringent quality standards, using durable EPDM material for long service life. While specific warranty details may vary, Gates typically offers coverage against defects in material and workmanship. This part is designed to provide consistent performance in HVAC systems across multiple vehicle makes and models.