HomeHVAC > Hoses and PipesGates 18546 HVAC Heater Hose - Engine To Heater Inlet Tube or Engine To Pipe
Part #: 18546

Gates 18546 HVAC Heater Hose - Engine To Heater Inlet Tube or Engine To Pipe

Molded Heater Hose, Engine To Pipe and Engine To Heater Inlet Tube
⚙️ 55 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Molded Heater Hose, Engine To Pipe and Engine To Heater Inlet Tube
🚗Fitment: Hyundai and Kia, Elantra, Elantra Coupe, Elantra GT, Forte, Forte Koup, Forte5, Rondo, Soul, Tucson, and Veloster
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Overview of Gates Molded Heater Hose 18546

The Gates Molded Heater Hose 18546 is designed for reliable HVAC system performance in select Hyundai and Kia vehicles. Constructed from durable EPDM material, this molded heater hose ensures consistent heat transfer and long-lasting service in automotive heating applications.

  • Made from high-quality EPDM rubber for heat and chemical resistance
  • Molded design for precise fit and easy installation
  • Centerline length of 196 mm (7.7 inches) for accurate replacement
  • Inside diameter of 0.75 inches (19 mm) on both ends
  • Compatible with multiple Hyundai and Kia models

Detailed Product Description

The Gates Molded Heater Hose 18546 is engineered to meet the specific HVAC hose requirements of various Hyundai and Kia vehicles, including the Elantra, Elantra Coupe, Elantra GT, Forte, Forte5, Forte Koup, Rondo, Soul, Tucson, and Veloster. This hose features a molded construction that provides a precise shape and fit, reducing the risk of leaks and ensuring optimal coolant flow within the heating system.

Manufactured from EPDM (ethylene propylene diene monomer) rubber, the hose offers excellent resistance to heat, ozone, and automotive fluids, which helps maintain performance under demanding engine conditions. The consistent inside diameter of 0.75 inches (19 mm) on both ends and a centerline length of 196 mm (7.7 inches) make it a direct replacement part that matches OEM specifications.

About the Molded Heater Hose Product Line

The Gates Molded Heater Hose line is designed to provide precise, application-specific hoses that fit perfectly within vehicle HVAC systems. Molded hoses like the 18546 part number are shaped to match the original equipment contours, which simplifies installation and improves system reliability by minimizing stress points and potential leaks.

Common Applications and Issues Addressed

  • Replacement of worn or cracked heater hoses in Hyundai Elantra and Kia Forte models
  • Resolving coolant leaks that cause HVAC system inefficiency
  • Preventing overheating issues related to faulty heater hose connections
  • Maintaining proper heat transfer within the vehicle’s heating system
  • Ensuring a secure fit to avoid hose detachment during engine operation

Installation Notes and Tips

When installing the Gates Molded Heater Hose 18546, ensure the hose is routed according to the vehicle manufacturer’s specifications to avoid kinks or excessive bending. Verify that the inside diameter matches the original hose to maintain proper coolant flow. Use appropriate clamps to secure the hose ends firmly, and inspect the surrounding components for wear or damage during replacement.

Quality Assurance and Warranty

Gates is a recognized manufacturer of automotive hoses, and the Molded Heater Hose 18546 is produced to meet or exceed OEM standards. The EPDM material and molded design contribute to durability and resistance against heat and chemical exposure. While specific warranty details are not provided here, Gates products typically come with manufacturer-backed quality assurance to support reliable performance.

BrandGates
Part Number18546
PositionMolded Heater Hose, Engine To Pipe and Engine To Heater Inlet Tube
MaterialEpdm
End 1 Inside Diameter.75
End 1 Inside Diameter19
End 2 Inside Diameter.75
End 2 Inside Diameter19
Centerline Length196
Centerline Length7.7
Branch Quantity0
9839Yes
98450
Centerline Length (in)7.7
Centerline Length (mm)196
MoldedYes
Number of Quick Connect Fittings0

This part fits 55 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2021HyundaiElantra2.0LL4GASEngine To PipeMolded Heater Hose
2021HyundaiVeloster2.0LL4GASEngine To Heater Inlet TubeMolded Heater Hose
2021KiaForte2.0LL4GASEngine To Heater Inlet TubeMolded Heater Hose
2021KiaForte52.0LL4GASEngine To Heater Inlet TubeMolded Heater Hose
2020HyundaiElantra2.0LL4GASEngine To PipeMolded Heater Hose
2020HyundaiElantra GT2.0LL4GASEngine To PipeMolded Heater Hose
2020KiaForte2.0LL4GASEngine To Heater Inlet TubeMolded Heater Hose
2020KiaForte52.0LL4GASEngine To Heater Inlet TubeMolded Heater Hose
2020KiaSoul2.0LL4GASEngine To PipeCut to fit; Molded Heater Hose
2019HyundaiElantra2.0LL4GASEngine To PipeMolded Heater Hose
2019HyundaiElantra GT2.0LL4GASEngine To PipeMolded Heater Hose
2019KiaForte2.0LL4GASEngine To Heater Inlet TubeMolded Heater Hose
2018HyundaiElantra2.0LL4GASEngine To PipeMolded Heater Hose
2018HyundaiElantra GT2.0LL4GASEngine To PipeMolded Heater Hose
2018HyundaiTucson2.0LL4GASEngine To PipeCut to fit; Molded Heater Hose
2018KiaForte2.0LL4GASEngine To PipeCut to fit; Molded Heater Hose
2018KiaForte52.0LL4GASEngine To PipeCut to fit; Molded Heater Hose
2018KiaSoul2.0LL4GASEngine To PipeCut to fit; Molded Heater Hose
2017HyundaiElantra2.0LL4GASEngine To PipeMolded Heater Hose
2017HyundaiElantra GT2.0LL4GASEngine To PipeMolded Heater Hose
2017HyundaiTucson2.0LL4GASEngine To PipeCut to fit; Molded Heater Hose
2017KiaForte2.0LL4GASEngine To PipeCut to fit; Molded Heater Hose
2017KiaForte Koup2.0LL4GASEngine To PipeCut to fit; Molded Heater Hose
2017KiaForte52.0LL4GASEngine To PipeCut to fit; Molded Heater Hose
2017KiaRondo2.0LL4GASEngine To PipeCut to fit; Molded Heater Hose
2017KiaSoul2.0LL4GASEngine To PipeCut to fit; Molded Heater Hose
2016HyundaiElantra2.0LL4GASEngine To PipeMolded Heater Hose
2016HyundaiElantra GT2.0LL4GASEngine To PipeMolded Heater Hose
2016HyundaiTucson2.0LL4GASEngine To PipeCut to fit; Molded Heater Hose
2016KiaForte1.8LL4GASEngine To PipeMolded Heater Hose
2016KiaForte2.0LL4GASEngine To PipeMolded Heater Hose
2016KiaForte Koup1.6LL4GASEngine To PipeMolded Heater Hose
2016KiaForte Koup2.0LL4GASEngine To PipeMolded Heater Hose
2016KiaForte52.0LL4GASEngine To PipeMolded Heater Hose
2016KiaRondo2.0LL4GASEngine To PipeCut to fit; Molded Heater Hose
2015HyundaiTucson2.0LL4GASEngine To PipeCut to fit; Molded Heater Hose
2015KiaForte1.8LL4GASEngine To PipeMolded Heater Hose
2015KiaForte2.0LL4GASEngine To PipeMolded Heater Hose
2015KiaForte Koup2.0LL4GASEngine To PipeMolded Heater Hose
2015KiaForte52.0LL4GASEngine To PipeMolded Heater Hose
2015KiaRondo2.0LL4GASEngine To PipeMolded Heater Hose
2015KiaSoul2.0LL4GASEngine To PipeMolded Heater Hose
2014HyundaiElantra1.8LL4GASEngine To PipeMolded Heater Hose
2014HyundaiElantra2.0LL4GASEngine To PipeMolded Heater Hose
2014HyundaiElantra Coupe2.0LL4GASEngine To PipeMolded Heater Hose
2014HyundaiElantra GT2.0LL4GASEngine To PipeMolded Heater Hose
2014HyundaiTucson2.0LL4GASEngine To PipeMolded Heater Hose
2014KiaRondo2.0LL4GASEngine To PipeMolded Heater Hose
2013HyundaiElantra1.8LL4GASEngine To PipeMolded Heater Hose
2013HyundaiElantra Coupe1.8LL4GASEngine To PipeMolded Heater Hose
2013HyundaiElantra GT1.8LL4GASEngine To PipeMolded Heater Hose
2013KiaSoul2.0LL4GASEngine To PipeMolded Heater Hose
2012HyundaiElantra1.8LL4GASEngine To PipeMolded Heater Hose
2012KiaSoul2.0LL4GASEngine To PipeMolded Heater Hose
2011HyundaiElantra1.8LL4GASEngine To PipeMolded 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:

1054614703S18546254802E000

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