HomeHVAC > Hoses and PipesGates 18806 HVAC Heater Hose - Heater To Pipe-1, Heater To Valve or Pipe-2 To Engine
Part #: 18806

Gates 18806 HVAC Heater Hose - Heater To Pipe-1, Heater To Valve or Pipe-2 To Engine

Molded Heater Hose, Heater To Pipe-1
18 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$49.10Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Molded Heater Hose, Heater To Pipe-1
Fitment: Chrysler, Dodge, Plymouth, Mazda, and Toyota, Voyager, Caravan, Grand Caravan, Grand Voyager, RX-7, and Cressida
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Gates Molded Heater Hose 18806

The Gates Molded Heater Hose 18806 is designed for reliable HVAC system performance in select Chrysler, Dodge, Mazda, Plymouth, and Toyota vehicles. Engineered with durable EPDM material, this molded heater hose ensures consistent heat transfer and long service life in automotive heating applications.

  • Constructed from high-quality EPDM for heat and chemical resistance
  • Molded design for precise fit and leak prevention
  • Inside diameter of 0.62 inches (16 mm) on both ends
  • Centerline length of 19.8 inches (503 mm) for accurate replacement
  • Compatible with Chrysler Caravan, Dodge Grand Caravan, Plymouth Grand Voyager, Mazda RX-7, and Toyota Cressida and Voyager models

Detailed Product Description

The Gates Molded Heater Hose 18806 is manufactured from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids. This hose features a molded construction that matches the original equipment specifications, providing a secure and leak-free connection within the HVAC system. Both ends of the hose have an inside diameter of 0.62 inches (16 mm), ensuring compatibility with factory fittings. The centerline length measures 19.8 inches (503 mm), making it a direct replacement for the specified vehicle models. This hose does not include quick connect fittings or branches, maintaining a straightforward installation process.

About the Molded Heater Hose Product Line

The Gates Molded Heater Hose line focuses on delivering precise, molded hoses designed to meet exact OEM specifications. These hoses are engineered to provide reliable performance in vehicle heating systems by maintaining proper coolant flow and resisting degradation from heat and chemicals. The molded design reduces the risk of leaks and simplifies installation compared to generic hoses.

Common Applications and Issues Addressed

  • Replacement of worn or cracked heater hoses in HVAC systems
  • Resolving coolant leaks causing reduced heating efficiency
  • Preventing hose collapse or blockage affecting heater core performance
  • Maintaining proper coolant flow in Chrysler Caravan and Dodge Grand Caravan models
  • Ensuring HVAC system integrity in Mazda RX-7 and Toyota Cressida vehicles

Installation Notes and Tips

  • Verify hose dimensions and fitment with your vehicle’s specifications before installation
  • Ensure all clamps and fittings are securely tightened to prevent leaks
  • Inspect surrounding components for wear or damage during replacement
  • Flush the cooling system if contamination or debris is present
  • Use appropriate tools to avoid damaging the molded hose during installation

Quality Assurance and Warranty

Gates Molded Heater Hose 18806 is manufactured to meet stringent quality standards for durability and performance. The EPDM material and molded construction provide resistance to heat, pressure, and automotive fluids. While specific warranty details are not provided, Gates products typically adhere to industry standards for reliability and are backed by the brand’s commitment to quality.

BrandGates
Part Number18806
PositionMolded Heater Hose, Heater To Pipe-1
0
Yes
Branch Quantity0
Centerline Length19.8
Centerline Length503
Centerline Length (in)19.8
Centerline Length (mm)503
End 1 Inside Diameter.62
End 1 Inside Diameter16
End 2 Inside Diameter.62
End 2 Inside Diameter16
MaterialEPDM
MoldedYes
Number of Quick Connect Fittings0

This part fits 18 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2000ChryslerVoyager2.4LL4GASHeater To Pipe-1Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose
2000DodgeCaravan2.4LL4GASHeater To Pipe-1Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose
2000PlymouthVoyager2.4LL4GASHeater To Pipe-1Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose
1999DodgeCaravan2.4LL4GASHeater To Pipe-1Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose
1999PlymouthVoyager2.4LL4GASHeater To Pipe-1Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose
1998DodgeCaravan2.4LL4GASHeater To Pipe-1Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose
1998PlymouthVoyager2.4LL4GASHeater To Pipe-1Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose
1997DodgeCaravan2.4LL4GASHeater To Pipe-1Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose
1997DodgeGrand Caravan2.4LL4GASHeater To Pipe-1Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose
1997PlymouthGrand Voyager2.4LL4GASHeater To Pipe-1Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose
1997PlymouthVoyager2.4LL4GASHeater To Pipe-1Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose
1995MazdaRX-71.3LR2GASPipe-2 To EngineRadiator and HVAC compatible coolant and heater hose.; Molded Heater Hose
1994MazdaRX-71.3LR2GASPipe-2 To EngineRadiator and HVAC compatible coolant and heater hose.; Molded Heater Hose
1993MazdaRX-71.3LR2GASPipe-2 To EngineRadiator and HVAC compatible coolant and heater hose.; Molded Heater Hose
1988ToyotaCressida2.8LL6GASHeater To ValveMolded Heater Hose
1987ToyotaCressida2.8LL6GASHeater To ValveMolded Heater Hose
1986ToyotaCressida2.8LL6GASHeater To ValveMolded Heater Hose
1985ToyotaCressida2.8LL6GASHeater To ValveMolded 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:

1080616062M1880663228872452263087844E87844FD0161214A

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