HomeHVAC > Hoses and PipesGates 18653 HVAC Heater Hose - Transmission Oil Cooler Outlet
Part #: 18653

Gates 18653 HVAC Heater Hose - Transmission Oil Cooler Outlet

Molded Heater Hose, Transmission Oil Cooler Outlet
⚙️ 7 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Molded Heater Hose, Transmission Oil Cooler Outlet
🚗Fitment: Scion and Subaru, BRZ and FR-S
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Reliable HVAC Heater Hose for Scion FR-S and Subaru BRZ

The Gates Molded Heater Hose 18653 is designed to provide durable and precise fitment for the HVAC systems of Scion FR-S and Subaru BRZ models. Constructed from EPDM material, this molded heater hose ensures consistent performance and resistance to heat and chemicals.

  • Constructed from high-quality EPDM for heat and chemical resistance
  • Molded design for exact fit and easy installation
  • Centerline length of 18.8 inches (478 mm) for proper routing
  • Consistent inside diameter of 0.59 inches (15 mm) on both ends
  • Compatible with Scion FR-S and Subaru BRZ HVAC systems

About the Gates Molded Heater Hose Product Line

The Molded Heater Hose line by Gates focuses on delivering hoses that are pre-formed to match specific vehicle HVAC configurations. This eliminates the need for bending or cutting, reducing installation time and potential leaks. The 18653 part number is part of this line, engineered to meet the exact specifications required for the Scion FR-S and Subaru BRZ heater systems.

Product Details and Specifications

This HVAC heater hose features a molded construction made from EPDM, a synthetic rubber known for its durability in automotive heating and cooling applications. Both ends of the hose have an inside diameter of 0.59 inches (15 mm), ensuring a secure connection to the HVAC components. The centerline length measures 18.8 inches (478 mm), providing the correct length for proper fitment without excess slack or tension. The hose does not include any quick connect fittings or branches, maintaining a straightforward design for reliable service.

Common Applications and Problem Solving

  • Replacement of worn or cracked heater hoses in Scion FR-S and Subaru BRZ HVAC systems
  • Resolving coolant leaks that affect cabin heating performance
  • Preventing hose collapse or blockage that can reduce heater core efficiency
  • Maintaining proper coolant flow to ensure consistent interior heating
  • Addressing issues caused by degraded or brittle hoses due to age or heat exposure

Installation Notes and Tips

Ensure the vehicle is cool and the cooling system is depressurized before removing the old heater hose. The molded design of the Gates 18653 heater hose allows for direct replacement without modification. Verify that the hose routing matches the original to avoid kinks or interference with other components. Use appropriate clamps to secure the hose ends and check for leaks after installation.

Quality Assurance and Warranty

Gates manufactures the Molded Heater Hose 18653 to meet OEM standards for fit, form, and function. The EPDM material provides resistance to heat, ozone, and automotive fluids, contributing to long service life. While specific warranty details are not provided here, Gates products typically come with a limited warranty against defects in materials and workmanship.

BrandGates
Part Number18653
PositionMolded Heater Hose, Transmission Oil Cooler Outlet
MaterialEpdm
End 1 Inside Diameter.59
End 1 Inside Diameter15
End 2 Inside Diameter.59
End 2 Inside Diameter15
Centerline Length18.8
Centerline Length478
Branch Quantity0
9839Yes
98450
Centerline Length (in)18.8
Centerline Length (mm)478
MoldedYes
Number of Quick Connect Fittings0

This part fits 7 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2016ScionFR-S2.0LH4GASTransmission Oil Cooler OutletMolded Heater Hose
2015ScionFR-S2.0LH4GASTransmission Oil Cooler OutletMolded Heater Hose
2015SubaruBRZ2.0LH4GASTransmission Oil Cooler OutletMolded Heater Hose
2014ScionFR-S2.0LH4GASTransmission Oil Cooler OutletMolded Heater Hose
2014SubaruBRZ2.0LH4GASTransmission Oil Cooler OutletMolded Heater Hose
2013ScionFR-S2.0LH4GASTransmission Oil Cooler OutletMolded Heater Hose
2013SubaruBRZ2.0LH4GASTransmission Oil Cooler OutletMolded 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:

1065314767S1865399078AB250SU00303437

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