OE Quality
60-Day Returns

Gates 18775 HVAC Heater Hose
Overview of Gates Molded Heater Hose 18775
The Gates Molded Heater Hose 18775 is engineered for reliable HVAC system performance in select Chrysler, Dodge, Ford, Lexus, Plymouth, and Toyota vehicles. Designed with durable EPDM material, this molded heater hose ensures consistent heat transfer and long-lasting service in models like the Avenger, Grand Caravan, Land Cruiser, and LX570.
- Constructed from high-quality EPDM for heat and chemical resistance
- Molded design for precise fit and secure connections
- Centerline length of 231 mm (9.1 inches) for accurate replacement
- Consistent inside diameter of 0.62 inches (16 mm) on both ends
- Compatible with multiple makes and models including Chrysler Voyager and Ford Taurus
Detailed Product Description
The Gates Molded Heater Hose 18775 is part of the Molded Heater Hose product line, which focuses on delivering pre-formed hoses that match original equipment specifications. This hose is molded to exact dimensions, providing a precise fit that reduces installation time and potential leaks. Made from EPDM, it offers excellent resistance to heat, ozone, and automotive fluids, making it suitable for HVAC heater core connections. The hose features a uniform inside diameter of 0.62 inches (16 mm) on both ends and a centerline length of 231 mm (9.1 inches), ensuring compatibility with the heater system requirements of vehicles such as the Toyota Land Cruiser, Lexus LX570, Dodge Grand Caravan, and Chrysler Sebring.
Applications and Common Issues Addressed
- Replacement of cracked or leaking heater hoses in Chrysler Avenger and Plymouth Voyager HVAC systems
- Restoring proper coolant flow to the heater core in Ford Taurus and Dodge Caravan models
- Resolving heater core overheating or insufficient cabin heat in Toyota Land Cruiser and Lexus LX570
- Eliminating coolant leaks caused by deteriorated or swollen hoses
- Maintaining HVAC system integrity in vehicles exposed to high temperatures and harsh conditions
Installation Notes and Tips
When installing the Gates Molded Heater Hose 18775, ensure the hose is routed according to the vehicle manufacturer’s specifications to avoid kinks or interference with other engine components. Verify that the inside diameter matches the heater core and engine fittings for a secure seal. Use appropriate clamps to secure the hose ends and check for leaks after installation. The molded design simplifies alignment, but careful handling is recommended to prevent damage during installation.
Quality Assurance and Warranty
Gates Molded Heater Hose 18775 is manufactured to meet or exceed OEM standards for durability and performance. The EPDM material and molded construction provide resistance to heat, pressure, and automotive fluids, contributing to long service life. While specific warranty details are not provided, Gates products typically come with a limited warranty against defects in material and workmanship, ensuring confidence in product reliability.
| Brand | Gates |
| Part Number | 18775 |
| Position | Molded Heater Hose, Pipe To Reservoir, Reservoir To Pipe, Valve To Engine, and Tee-2 To Auxiliary Heater |
| Material | Epdm |
| End 1 Inside Diameter | .62 |
| End 1 Inside Diameter | 16 |
| End 2 Inside Diameter | .62 |
| End 2 Inside Diameter | 16 |
| Centerline Length | 231 |
| Centerline Length | 9.1 |
| Branch Quantity | 0 |
| 9839 | Yes |
| 9845 | 0 |
| Centerline Length (in) | 9.1 |
| Centerline Length (mm) | 231 |
| Molded | Yes |
| Number of Quick Connect Fittings | 0 |
This part fits 46 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2019 | Toyota | Land Cruiser | 5.7L | V8 | GAS | Tee-2 To Auxiliary Heater | Molded Heater Hose | |
| 2018 | Toyota | Land Cruiser | 5.7L | V8 | GAS | Tee-2 To Auxiliary Heater | Molded Heater Hose | |
| 2017 | Toyota | Land Cruiser | 5.7L | V8 | GAS | Tee-2 To Auxiliary Heater | Molded Heater Hose | |
| 2016 | Toyota | Land Cruiser | 5.7L | V8 | GAS | Tee-2 To Auxiliary Heater | Molded Heater Hose | |
| 2015 | Toyota | Land Cruiser | 5.7L | V8 | GAS | Tee-2 To Auxiliary Heater | Molded Heater Hose | |
| 2014 | Lexus | LX570 | 5.7L | V8 | GAS | Tee-2 To Auxiliary Heater | Molded Heater Hose | |
| 2014 | Toyota | Land Cruiser | 5.7L | V8 | GAS | Tee-2 To Auxiliary Heater | Molded Heater Hose | |
| 2013 | Lexus | LX570 | 5.7L | V8 | GAS | Tee-2 To Auxiliary Heater | Molded Heater Hose | |
| 2013 | Toyota | Land Cruiser | 5.7L | V8 | GAS | Tee-2 To Auxiliary Heater | Molded Heater Hose | |
| 2011 | Lexus | LX570 | 5.7L | V8 | GAS | Tee-2 To Auxiliary Heater | Molded Heater Hose | |
| 2011 | Toyota | Land Cruiser | 5.7L | V8 | GAS | Tee-2 To Auxiliary Heater | Molded Heater Hose | |
| 2010 | Chrysler | Sebring | 2.7L | V6 | FLEX | Pipe To Reservoir | Molded Heater Hose | |
| 2010 | Chrysler | Sebring | 2.7L | V6 | GAS | Pipe To Reservoir | Molded Heater Hose | |
| 2010 | Dodge | Avenger | 2.7L | V6 | FLEX | Pipe To Reservoir | Molded Heater Hose | |
| 2010 | Lexus | LX570 | 5.7L | V8 | GAS | Tee-2 To Auxiliary Heater | Molded Heater Hose | |
| 2010 | Toyota | Land Cruiser | 5.7L | V8 | GAS | Tee-2 To Auxiliary Heater | Molded Heater Hose | |
| 2009 | Chrysler | Sebring | 2.7L | V6 | FLEX | Pipe To Reservoir | Molded Heater Hose | |
| 2009 | Chrysler | Sebring | 2.7L | V6 | GAS | Pipe To Reservoir | Molded Heater Hose | |
| 2009 | Dodge | Avenger | 2.7L | V6 | FLEX | Pipe To Reservoir | Molded Heater Hose | |
| 2009 | Dodge | Avenger | 2.7L | V6 | GAS | Pipe To Reservoir | Molded Heater Hose | |
| 2009 | Lexus | LX570 | 5.7L | V8 | GAS | Tee-2 To Auxiliary Heater | Molded Heater Hose | |
| 2009 | Toyota | Land Cruiser | 5.7L | V8 | GAS | Tee-2 To Auxiliary Heater | Molded Heater Hose | |
| 2008 | Chrysler | Sebring | 2.7L | V6 | FLEX | Pipe To Reservoir | Molded Heater Hose | |
| 2008 | Chrysler | Sebring | 2.7L | V6 | GAS | Pipe To Reservoir | Molded Heater Hose | |
| 2008 | Dodge | Avenger | 2.7L | V6 | FLEX | Pipe To Reservoir | Molded Heater Hose | |
| 2008 | Dodge | Avenger | 2.7L | V6 | GAS | Pipe To Reservoir | Molded Heater Hose | |
| 2008 | Lexus | LX570 | 5.7L | V8 | GAS | Tee-2 To Auxiliary Heater | Molded Heater Hose | |
| 2008 | Toyota | Land Cruiser | 5.7L | V8 | GAS | Tee-2 To Auxiliary Heater | Molded Heater Hose | |
| 2007 | Chrysler | Sebring | 2.7L | V6 | FLEX | Reservoir To Pipe | Molded Heater Hose | |
| 2007 | Chrysler | Sebring | 2.7L | V6 | GAS | Reservoir To Pipe | Molded Heater Hose | |
| 1995 | Ford | Taurus | SHO | 3.0L | V6 | GAS | N/A | Molded Heater Hose |
| 1994 | Ford | Taurus | SHO | 3.0L | V6 | GAS | N/A | Molded Heater Hose |
| 1993 | Ford | Taurus | SHO | 3.0L | V6 | GAS | N/A | Molded Heater Hose |
| 1992 | Ford | Taurus | SHO | 3.0L | V6 | GAS | N/A | Molded Heater Hose |
| 1991 | Ford | Taurus | SHO | 3.0L | V6 | GAS | N/A | Molded Heater Hose |
| 1990 | Dodge | Caravan | 2.5L | L4 | GAS | Valve To Engine | HVAC heater hose with A/C, fits Serpentine Belt application.; Molded Heater Hose | |
| 1990 | Ford | Taurus | SHO | 3.0L | V6 | GAS | N/A | Molded Heater Hose |
| 1990 | Plymouth | Voyager | 2.5L | L4 | GAS | Valve To Engine | HVAC heater hose with A/C, fits Serpentine Belt application.; Molded Heater Hose | |
| 1989 | Dodge | Caravan | 2.5L | L4 | GAS | Valve To Engine | HVAC heater hose with A/C, fits Serpentine Belt application.; Molded Heater Hose | |
| 1989 | Dodge | Grand Caravan | 2.5L | L4 | GAS | Valve To Engine | HVAC heater hose with A/C, fits Serpentine Belt application.; Molded Heater Hose | |
| 1989 | Ford | Taurus | SHO | 3.0L | V6 | GAS | N/A | Molded Heater Hose |
| 1989 | Plymouth | Voyager | 2.5L | L4 | GAS | Valve To Engine | HVAC heater hose with A/C, fits Serpentine Belt application.; Molded Heater Hose | |
| 1988 | Dodge | Caravan | 2.5L | L4 | GAS | Valve To Engine | HVAC heater hose with A/C, fits Serpentine Belt application.; Molded Heater Hose | |
| 1988 | Dodge | Grand Caravan | 2.5L | L4 | GAS | Valve To Engine | HVAC heater hose with A/C, fits Serpentine Belt application.; Molded Heater Hose | |
| 1988 | Plymouth | Grand Voyager | 2.5L | L4 | GAS | Valve To Engine | HVAC heater hose with A/C, fits Serpentine Belt application.; Molded Heater Hose | |
| 1988 | Plymouth | Voyager | 2.5L | L4 | GAS | Valve To Engine | HVAC heater hose with A/C, fits Serpentine Belt application.; 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.