HomeHVAC > Hoses and PipesGates 18866 HVAC Heater Hose - Heater To Pipe-1
Part #: 18866

Gates 18866 HVAC Heater Hose - Heater To Pipe-1

Molded Heater Hose, Heater To Pipe-1
⚙️ 24 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Molded Heater Hose, Heater To Pipe-1
🚗Fitment: Eagle, Mitsubishi, Plymouth, and Dodge, Talon, Eclipse, Laser, 2000 GTX, and Galant
🔄Easy Returns — Return within 60 days for a full refund
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Overview of Gates Molded Heater Hose 18866

The Gates Molded Heater Hose 18866 is designed for reliable HVAC system performance in select Mitsubishi and Plymouth vehicles. Engineered with durable EPDM material, this molded heater hose ensures consistent heat transfer and long-lasting service in your vehicle's heating system.

  • Constructed from high-quality EPDM rubber for heat and ozone resistance
  • Molded design for precise fit and leak prevention
  • Centerline length of 16.2 inches (411 mm) for accurate installation
  • Inside diameter of 0.62 inches (16 mm) on both ends
  • Compatible with Mitsubishi Eclipse, Galant, and Plymouth Laser models

Detailed Product Description

The Gates Molded Heater Hose 18866 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, including a centerline length of 16.2 inches (411 mm) and consistent inside diameters of 0.62 inches (16 mm) on both ends, ensuring a secure and leak-free connection within the HVAC system. Made from EPDM material, it offers resistance to heat, coolant, and environmental factors, making it suitable for the heating systems of Mitsubishi Eclipse, Mitsubishi Galant, and Plymouth Laser vehicles.

Applications and Common Issues Addressed

  • Replacement of cracked or leaking heater hoses in Mitsubishi Eclipse and Galant models
  • Restoring proper coolant flow in Plymouth Laser heating systems
  • Resolving heater core connection leaks caused by worn or damaged hoses
  • Preventing overheating issues related to faulty heater hose components
  • Maintaining HVAC system efficiency by ensuring proper hose fitment and durability

Installation Notes and Tips

  • Verify hose dimensions and compatibility with your specific Mitsubishi or Plymouth model 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 necessary to remove debris before installing the new hose
  • Follow vehicle manufacturer guidelines for heater hose replacement procedures

Quality Assurance and Warranty

Gates Molded Heater Hose 18866 is manufactured to meet or exceed OEM standards for durability and performance. The EPDM construction provides resistance to heat, ozone, and coolant degradation, contributing to a longer service life. While specific warranty details may vary, Gates typically offers coverage against manufacturing defects to ensure customer confidence in their HVAC heater hose products.

BrandGates
Part Number18866
PositionMolded Heater Hose, Heater To Pipe-1
0
Yes
Branch Quantity0
Centerline Length16.2
Centerline Length411
Centerline Length (in)16.2
Centerline Length (mm)411
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 24 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
1994MitsubishiEclipse1.8LL4GASHeater To Pipe-1Molded Heater Hose
1994MitsubishiEclipse2.0LL4GASHeater To Pipe-1Molded Heater Hose
1994PlymouthLaser1.8LL4GASHeater To Pipe-1Molded Heater Hose
1994PlymouthLaser2.0LL4GASHeater To Pipe-1Molded Heater Hose
1993MitsubishiEclipse1.8LL4GASHeater To Pipe-1Molded Heater Hose
1993MitsubishiEclipse2.0LL4GASHeater To Pipe-1Molded Heater Hose
1993PlymouthLaser1.8LL4GASHeater To Pipe-1Molded Heater Hose
1993PlymouthLaser2.0LL4GASHeater To Pipe-1Molded Heater Hose
1992MitsubishiEclipse1.8LL4GASHeater To Pipe-1Molded Heater Hose
1992MitsubishiEclipse2.0LL4GASHeater To Pipe-1Molded Heater Hose
1992MitsubishiGalant2.0LL4GASHeater To Pipe-1Molded Heater Hose
1992PlymouthLaser1.8LL4GASHeater To Pipe-1Molded Heater Hose
1992PlymouthLaser2.0LL4GASHeater To Pipe-1Molded Heater Hose
1991MitsubishiEclipse1.8LL4GASHeater To Pipe-1Molded Heater Hose
1991MitsubishiEclipse2.0LL4GASHeater To Pipe-1Molded Heater Hose
1991MitsubishiGalant2.0LL4GASHeater To Pipe-1Molded Heater Hose
1991PlymouthLaser1.8LL4GASHeater To Pipe-1Molded Heater Hose
1991PlymouthLaser2.0LL4GASHeater To Pipe-1Molded Heater Hose
1990MitsubishiEclipse1.8LL4GASHeater To Pipe-1Molded Heater Hose
1990MitsubishiEclipse2.0LL4GASHeater To Pipe-1Molded Heater Hose
1990MitsubishiGalant2.0LL4GASHeater To Pipe-1Molded Heater Hose
1990PlymouthLaser1.8LL4GASHeater To Pipe-1Molded Heater Hose
1990PlymouthLaser2.0LL4GASHeater To Pipe-1Molded Heater Hose
1989MitsubishiGalant2.0LL4GASHeater To Pipe-1Molded 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:

1086616089M188666325787875MB527993MB527995

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