Gates 18552 HVAC Heater Hose - Throttle Body To Engine or Throttle Body To Pipe

Overview of Gates Molded Heater Hose 18552

The Gates Molded Heater Hose 18552 is designed specifically for HVAC systems in select Toyota and Scion vehicles. Engineered with durable EPDM material, this molded heater hose ensures reliable performance and precise fitment for models like the Toyota Corolla, Corolla iM, iM, and Matrix.

• Constructed from high-quality EPDM for heat and chemical resistance
• Molded design for exact fit and easy installation
• Centerline length of 11.7 inches (297 mm) for accurate replacement
• Consistent inside diameter of 0.31 inches (8 mm) on both ends
• Compatible with HVAC systems in Toyota Corolla, Corolla iM, iM, and Matrix models

About the Molded Heater Hose Product Line

The Molded Heater Hose line by Gates focuses on precision-engineered hoses that are molded to match specific vehicle HVAC configurations. This approach reduces the need for modifications during installation and helps maintain the integrity of the heating system. The 18552 part number is part of this line, offering a direct replacement hose that meets OEM specifications for fit and function.

Detailed Product Description

This HVAC heater hose is made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids. The molded construction ensures the hose maintains its shape and routing within the engine bay, preventing kinks and leaks. With an inside diameter of 0.31 inches (8 mm) on both ends and a centerline length of 11.7 inches (297 mm), the Gates 18552 heater hose is designed to match the original equipment dimensions precisely. It does not include quick connect fittings or branches, simplifying the replacement process.

Common Applications and Issues Addressed

• Replacement of worn or cracked heater hoses in Toyota Corolla and Scion iM HVAC systems
• Resolving coolant leaks that cause heater core inefficiency
• Preventing overheating issues related to compromised heater hoses
• Maintaining proper coolant flow for effective cabin heating
• Ensuring a secure and leak-free connection in the vehicle’s heating system

Installation Notes and Tips

When installing the Gates Molded Heater Hose 18552, ensure the engine is cool to avoid burns from hot coolant. Verify the hose routing matches the original to prevent kinks or interference with other engine components. Use appropriate clamps to secure both ends of the hose firmly. Inspect surrounding components for wear or damage during replacement to maintain overall HVAC system integrity.

Quality Assurance and Warranty

Gates manufactures the Molded Heater Hose 18552 to meet or exceed OEM standards for durability and performance. The EPDM material and molded design contribute to long service life under typical operating conditions. Warranty details should be confirmed with the supplier or manufacturer, as they may vary by region or distributor.