Gates 18455 HVAC Heater Hose - Pipe-3 To Throttle Body

Overview of Gates Molded Heater Hose 18455

The Gates Molded Heater Hose 18455 is designed for reliable HVAC system performance in select Lexus and Toyota vehicles. Engineered with durable EPDM material, this molded heater hose ensures consistent heat transfer and long service life for your Land Cruiser, LX470, Sequoia, and Tundra models.

• Constructed from high-quality EPDM for heat and chemical resistance
• Molded design for precise fit and leak prevention
• Centerline length of 13.9 inches (353 mm) for accurate replacement
• Inside diameter of 0.5 inches (13 mm) on both ends
• No quick connect fittings or branches, simplifying installation

About the Molded Heater Hose Product Line

The Gates Molded Heater Hose line focuses on delivering pre-formed hoses that match original equipment specifications. This eliminates the need for bending or cutting during installation, reducing the risk of leaks and improving HVAC system reliability. The 18455 part benefits from this molded construction, providing a direct replacement for compatible Lexus and Toyota vehicles.

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 design ensures the hose maintains its shape and fits precisely within the HVAC system of the Lexus Land Cruiser, LX470, Toyota Sequoia, and Tundra. With a centerline length of 13.9 inches (353 mm) and an inside diameter of 0.5 inches (13 mm) on both ends, the Gates 18455 heater hose matches OEM dimensions for proper flow and connection.

Common Applications and Issues Addressed

• Replacement of cracked or leaking heater hoses in Lexus Land Cruiser and LX470 HVAC systems
• Restoring proper coolant flow in Toyota Sequoia and Tundra heater cores
• Resolving heater hose swelling or deterioration due to age or heat exposure
• Preventing coolant leaks that can cause engine overheating or HVAC failure
• Ensuring a secure, molded fit to avoid hose disconnections or coolant loss

Installation Notes and Tips

• Verify compatibility with your specific Lexus or Toyota model before installation
• Ensure all clamps and fittings are securely tightened to prevent leaks
• Inspect surrounding HVAC components for wear or damage during replacement
• Drain coolant system as needed to avoid spills during hose removal
• Use OEM or equivalent clamps to maintain proper hose sealing

Quality Assurance and Warranty

The Gates Molded Heater Hose 18455 is manufactured to meet or exceed OEM standards for durability and performance. Made from EPDM material, it offers resistance to heat and automotive fluids, contributing to long-term reliability. While specific warranty details are not provided, Gates products typically come with a limited warranty against defects in material and workmanship.