Gates 12338 HVAC Heater Hose - Thermostat To Cylinder Head (Right) or Thermostat To Engine

Overview of Gates Molded Heater Hose 12338

The Gates Molded Heater Hose 12338 is designed specifically for Toyota 4Runner and FJ Cruiser models. Constructed from durable EPDM material, this molded heater hose ensures reliable performance in your vehicle's HVAC system.

• Made from high-quality EPDM for heat and chemical resistance
• Molded design for precise fit and durability
• Centerline length of 7.62 inches (194 mm)
• Consistent inside diameter of 0.25 inches (13 mm) on both ends
• Compatible with Toyota 4Runner and FJ Cruiser HVAC systems

Detailed Product Description

The Gates Molded Heater Hose 12338 is engineered to meet the specific requirements of Toyota 4Runner and FJ Cruiser vehicles. Featuring a molded construction, this heater hose maintains its shape and integrity under high temperature and pressure conditions typical in HVAC systems. The EPDM material offers excellent resistance to heat, ozone, and automotive fluids, ensuring long-lasting service life. Both ends of the hose have an inside diameter of 0.25 inches (13 mm), providing a secure and leak-free connection. With a centerline length of 7.62 inches (194 mm), this hose fits precisely within the designated HVAC routing.

About the Molded Heater Hose Product Line

The Molded Heater Hose line by Gates focuses on delivering hoses that are pre-formed to exact specifications for specific vehicle applications. This reduces installation time and potential fitment issues compared to universal hoses. The molded design also helps maintain consistent flow and prevents kinking, which is critical for efficient HVAC operation in Toyota 4Runner and FJ Cruiser models.

Common Applications and Issues Addressed

• Replacement of worn or cracked heater hoses in Toyota 4Runner and FJ Cruiser HVAC systems
• Resolving coolant leaks that affect heater core performance
• Preventing overheating issues caused by restricted or damaged heater hoses
• Maintaining proper heater core flow for consistent cabin heating
• Ensuring reliable HVAC system operation during extreme temperature conditions

Installation Notes and Tips

When installing the Gates Molded Heater Hose 12338, ensure the hose is routed according to the vehicle manufacturer’s specifications to avoid kinks or interference with other components. Verify that the inside diameter matches the connection points on the heater core and engine fittings. Use appropriate clamps to secure the hose ends and check for leaks after installation. The molded design simplifies alignment, but careful handling is recommended to prevent damage during installation.

Quality Assurance and Warranty

Gates manufactures the Molded Heater Hose 12338 to meet OEM standards for fit, form, and function. The EPDM material and molded construction undergo rigorous quality control to ensure durability and performance. While specific warranty details are not provided here, Gates typically offers coverage against defects in materials and workmanship. Refer to official Gates documentation for complete warranty information.