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Gates 18546 HVAC Heater Hose - Engine To Heater Inlet Tube or Engine To Pipe
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.
| Brand | Gates |
| Part Number | 18546 |
| Position | Molded Heater Hose, Engine To Pipe and Engine To Heater Inlet Tube |
| Material | Epdm |
| End 1 Inside Diameter | .75 |
| End 1 Inside Diameter | 19 |
| End 2 Inside Diameter | .75 |
| End 2 Inside Diameter | 19 |
| Centerline Length | 196 |
| Centerline Length | 7.7 |
| Branch Quantity | 0 |
| 9839 | Yes |
| 9845 | 0 |
| Centerline Length (in) | 7.7 |
| Centerline Length (mm) | 196 |
| Molded | Yes |
| Number of Quick Connect Fittings | 0 |
This part fits 55 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2021 | Hyundai | Elantra | 2.0L | L4 | GAS | Engine To Pipe | Molded Heater Hose |
| 2021 | Hyundai | Veloster | 2.0L | L4 | GAS | Engine To Heater Inlet Tube | Molded Heater Hose |
| 2021 | Kia | Forte | 2.0L | L4 | GAS | Engine To Heater Inlet Tube | Molded Heater Hose |
| 2021 | Kia | Forte5 | 2.0L | L4 | GAS | Engine To Heater Inlet Tube | Molded Heater Hose |
| 2020 | Hyundai | Elantra | 2.0L | L4 | GAS | Engine To Pipe | Molded Heater Hose |
| 2020 | Hyundai | Elantra GT | 2.0L | L4 | GAS | Engine To Pipe | Molded Heater Hose |
| 2020 | Kia | Forte | 2.0L | L4 | GAS | Engine To Heater Inlet Tube | Molded Heater Hose |
| 2020 | Kia | Forte5 | 2.0L | L4 | GAS | Engine To Heater Inlet Tube | Molded Heater Hose |
| 2020 | Kia | Soul | 2.0L | L4 | GAS | Engine To Pipe | Cut to fit; Molded Heater Hose |
| 2019 | Hyundai | Elantra | 2.0L | L4 | GAS | Engine To Pipe | Molded Heater Hose |
| 2019 | Hyundai | Elantra GT | 2.0L | L4 | GAS | Engine To Pipe | Molded Heater Hose |
| 2019 | Kia | Forte | 2.0L | L4 | GAS | Engine To Heater Inlet Tube | Molded Heater Hose |
| 2018 | Hyundai | Elantra | 2.0L | L4 | GAS | Engine To Pipe | Molded Heater Hose |
| 2018 | Hyundai | Elantra GT | 2.0L | L4 | GAS | Engine To Pipe | Molded Heater Hose |
| 2018 | Hyundai | Tucson | 2.0L | L4 | GAS | Engine To Pipe | Cut to fit; Molded Heater Hose |
| 2018 | Kia | Forte | 2.0L | L4 | GAS | Engine To Pipe | Cut to fit; Molded Heater Hose |
| 2018 | Kia | Forte5 | 2.0L | L4 | GAS | Engine To Pipe | Cut to fit; Molded Heater Hose |
| 2018 | Kia | Soul | 2.0L | L4 | GAS | Engine To Pipe | Cut to fit; Molded Heater Hose |
| 2017 | Hyundai | Elantra | 2.0L | L4 | GAS | Engine To Pipe | Molded Heater Hose |
| 2017 | Hyundai | Elantra GT | 2.0L | L4 | GAS | Engine To Pipe | Molded Heater Hose |
| 2017 | Hyundai | Tucson | 2.0L | L4 | GAS | Engine To Pipe | Cut to fit; Molded Heater Hose |
| 2017 | Kia | Forte | 2.0L | L4 | GAS | Engine To Pipe | Cut to fit; Molded Heater Hose |
| 2017 | Kia | Forte Koup | 2.0L | L4 | GAS | Engine To Pipe | Cut to fit; Molded Heater Hose |
| 2017 | Kia | Forte5 | 2.0L | L4 | GAS | Engine To Pipe | Cut to fit; Molded Heater Hose |
| 2017 | Kia | Rondo | 2.0L | L4 | GAS | Engine To Pipe | Cut to fit; Molded Heater Hose |
| 2017 | Kia | Soul | 2.0L | L4 | GAS | Engine To Pipe | Cut to fit; Molded Heater Hose |
| 2016 | Hyundai | Elantra | 2.0L | L4 | GAS | Engine To Pipe | Molded Heater Hose |
| 2016 | Hyundai | Elantra GT | 2.0L | L4 | GAS | Engine To Pipe | Molded Heater Hose |
| 2016 | Hyundai | Tucson | 2.0L | L4 | GAS | Engine To Pipe | Cut to fit; Molded Heater Hose |
| 2016 | Kia | Forte | 1.8L | L4 | GAS | Engine To Pipe | Molded Heater Hose |
| 2016 | Kia | Forte | 2.0L | L4 | GAS | Engine To Pipe | Molded Heater Hose |
| 2016 | Kia | Forte Koup | 1.6L | L4 | GAS | Engine To Pipe | Molded Heater Hose |
| 2016 | Kia | Forte Koup | 2.0L | L4 | GAS | Engine To Pipe | Molded Heater Hose |
| 2016 | Kia | Forte5 | 2.0L | L4 | GAS | Engine To Pipe | Molded Heater Hose |
| 2016 | Kia | Rondo | 2.0L | L4 | GAS | Engine To Pipe | Cut to fit; Molded Heater Hose |
| 2015 | Hyundai | Tucson | 2.0L | L4 | GAS | Engine To Pipe | Cut to fit; Molded Heater Hose |
| 2015 | Kia | Forte | 1.8L | L4 | GAS | Engine To Pipe | Molded Heater Hose |
| 2015 | Kia | Forte | 2.0L | L4 | GAS | Engine To Pipe | Molded Heater Hose |
| 2015 | Kia | Forte Koup | 2.0L | L4 | GAS | Engine To Pipe | Molded Heater Hose |
| 2015 | Kia | Forte5 | 2.0L | L4 | GAS | Engine To Pipe | Molded Heater Hose |
| 2015 | Kia | Rondo | 2.0L | L4 | GAS | Engine To Pipe | Molded Heater Hose |
| 2015 | Kia | Soul | 2.0L | L4 | GAS | Engine To Pipe | Molded Heater Hose |
| 2014 | Hyundai | Elantra | 1.8L | L4 | GAS | Engine To Pipe | Molded Heater Hose |
| 2014 | Hyundai | Elantra | 2.0L | L4 | GAS | Engine To Pipe | Molded Heater Hose |
| 2014 | Hyundai | Elantra Coupe | 2.0L | L4 | GAS | Engine To Pipe | Molded Heater Hose |
| 2014 | Hyundai | Elantra GT | 2.0L | L4 | GAS | Engine To Pipe | Molded Heater Hose |
| 2014 | Hyundai | Tucson | 2.0L | L4 | GAS | Engine To Pipe | Molded Heater Hose |
| 2014 | Kia | Rondo | 2.0L | L4 | GAS | Engine To Pipe | Molded Heater Hose |
| 2013 | Hyundai | Elantra | 1.8L | L4 | GAS | Engine To Pipe | Molded Heater Hose |
| 2013 | Hyundai | Elantra Coupe | 1.8L | L4 | GAS | Engine To Pipe | Molded Heater Hose |
| 2013 | Hyundai | Elantra GT | 1.8L | L4 | GAS | Engine To Pipe | Molded Heater Hose |
| 2013 | Kia | Soul | 2.0L | L4 | GAS | Engine To Pipe | Molded Heater Hose |
| 2012 | Hyundai | Elantra | 1.8L | L4 | GAS | Engine To Pipe | Molded Heater Hose |
| 2012 | Kia | Soul | 2.0L | L4 | GAS | Engine To Pipe | Molded Heater Hose |
| 2011 | Hyundai | Elantra | 1.8L | L4 | GAS | Engine To Pipe | Molded 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.