HomeHVAC > Hoses and PipesGates 18481 HVAC Heater Hose - Heater - Lower Tee To Auxiliary Heater Pipe or Tee To Auxiliary Heater
Part #: 18481

Gates 18481 HVAC Heater Hose - Heater - Lower Tee To Auxiliary Heater Pipe or Tee To Auxiliary Heater

Molded Heater Hose, Heater - Lower Tee To Auxiliary Heater Pipe and Tee To Auxiliary Heater
⚙️ 4 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Molded Heater Hose, Heater - Lower Tee To Auxiliary Heater Pipe and Tee To Auxiliary Heater
🚗Fitment: Toyota, Highlander
🔄Easy Returns — Return within 60 days for a full refund
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Overview of Gates Molded Heater Hose 18481

The Gates Molded Heater Hose 18481 is designed specifically for Toyota Highlander models, providing reliable HVAC system performance. Constructed from durable EPDM material, this molded heater hose ensures consistent heat transfer and long-lasting service in your vehicle's heating system.

  • Constructed from high-quality EPDM material for heat and ozone resistance
  • Molded design for precise fit and easy installation
  • Centerline length of 11.3 inches (287 mm) for accurate replacement
  • Inside diameter of 0.5 inches (13 mm) on both ends
  • Compatible with Toyota Highlander HVAC systems

Detailed Product Description

The Gates Molded Heater Hose 18481 is engineered to meet the exact specifications required for the Toyota Highlander HVAC system. Made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and weathering, this hose maintains flexibility and durability under demanding engine compartment conditions. The molded construction ensures a precise fit, reducing the risk of leaks and improving overall system efficiency. With an inside diameter of 0.5 inches (13 mm) on both ends and a centerline length of 11.3 inches (287 mm), this hose matches OEM dimensions for a direct replacement.

The Molded Heater Hose product line from Gates focuses on delivering hoses that are pre-formed to fit specific vehicle applications, minimizing installation time and ensuring proper routing within the HVAC system. This approach helps maintain system integrity and prevents premature wear caused by improper hose bending or kinking.

Common Applications and Issues Addressed

  • Replacement of worn or cracked heater hoses in Toyota Highlander HVAC systems
  • Resolving coolant leaks that affect cabin heating performance
  • Preventing overheating issues related to compromised heater hoses
  • Maintaining proper coolant flow for efficient heater core operation
  • Eliminating hose collapse or blockage that restricts coolant circulation

Installation Notes and Tips

  • Verify hose dimensions and part number 18481 before installation to ensure compatibility with your Toyota Highlander
  • Inspect surrounding components for wear or damage during replacement
  • Use proper clamps and secure hose ends to prevent leaks
  • Ensure the molded hose is routed according to OEM specifications to avoid kinks or stress points
  • Flush the cooling system if necessary to remove debris before installing the new hose

Quality Assurance and Warranty

Gates Molded Heater Hose 18481 is manufactured to meet stringent quality standards, ensuring reliable performance in automotive HVAC applications. The use of EPDM material and molded construction contributes to the hose's durability and resistance to environmental factors. While specific warranty details are not provided, Gates products typically adhere to industry standards for material and workmanship quality.

BrandGates
Part Number18481
PositionMolded Heater Hose, Heater - Lower Tee To Auxiliary Heater Pipe and Tee To Auxiliary Heater
MaterialEpdm
End 1 Inside Diameter.5
End 1 Inside Diameter13
End 2 Inside Diameter.5
End 2 Inside Diameter13
Centerline Length11.3
Centerline Length287
Branch Quantity0
9839Yes
98450
Centerline Length (in)11.3
Centerline Length (mm)287
MoldedYes
Number of Quick Connect Fittings0

This part fits 4 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2007ToyotaHighlander3.3LV6GASHeater - Lower Tee To Auxiliary Heater PipeMolded Heater Hose
2006ToyotaHighlander3.3LV6GASHeater - Lower Tee To Auxiliary Heater PipeMolded Heater Hose
2005ToyotaHighlander3.3LV6GASHeater - Lower Tee To Auxiliary Heater PipeMolded Heater Hose
2004ToyotaHighlander3.3LV6GASTee To Auxiliary HeaterMolded Heater Hose

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

1048114438S184818724548460

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.