HomeHVAC > Hoses and PipesGates 18194 HVAC Heater Hose - Engine To Reservoir, Lower - Tee-1 To Reservoir or Thermostat To Reservoir
Part #: 18194

Gates 18194 HVAC Heater Hose - Engine To Reservoir, Lower - Tee-1 To Reservoir or Thermostat To Reservoir

Molded Heater Hose, Thermostat To Reservoir, Lower - Tee-1 To Reservoir, and Engine To Reservoir
⚙️ 12 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Molded Heater Hose, Thermostat To Reservoir, Lower - Tee-1 To Reservoir, and Engine To Reservoir
🚗Fitment: Chevrolet and Pontiac, Cobalt and G5
🔄Easy Returns — Return within 60 days for a full refund
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Overview of Gates Molded Heater Hose 18194

The Gates Molded Heater Hose 18194 is designed specifically for HVAC systems in Chevrolet Cobalt and Pontiac G5 vehicles. Constructed from durable EPDM material, this molded heater hose ensures reliable performance and a precise fit for your vehicle's heating system.

  • Made from high-quality EPDM material for heat and chemical resistance
  • Centerline length of 15.8 inches (401 mm) for exact fitment
  • Consistent inside diameter of 0.75 inches (19 mm) on both ends
  • Molded design for secure and leak-free connections
  • Compatible with Chevrolet Cobalt and Pontiac G5 HVAC systems

Detailed Product Description

The Gates Molded Heater Hose 18194 is engineered to meet the specific requirements of HVAC heater hose applications in select GM vehicles. The EPDM construction provides excellent resistance to heat, ozone, and coolant chemicals, which helps maintain hose integrity under demanding operating conditions. With a centerline length of 15.8 inches (401 mm) and uniform inside diameters of 0.75 inches (19 mm) at both ends, this molded hose offers a precise replacement solution that supports proper coolant flow and system efficiency. The molded design eliminates the need for additional fittings, reducing potential leak points and simplifying installation.

About the Molded Heater Hose Product Line

The Gates Molded Heater Hose line focuses on delivering pre-formed hoses that match original equipment specifications for HVAC systems. These hoses are designed to provide a direct fit, reducing installation time and ensuring reliable performance. The molded construction enhances durability and helps maintain system integrity by minimizing stress points and potential leaks.

Common Applications and Issues Addressed

  • Replacement of cracked or leaking heater hoses in Chevrolet Cobalt and Pontiac G5
  • Restoring proper coolant flow to the HVAC heater core
  • Preventing coolant leaks that can cause engine overheating or interior damage
  • Eliminating hose collapse or blockage that reduces heating efficiency
  • Maintaining system pressure and preventing premature hose failure

Installation Notes and Tips

Ensure the engine is cool before beginning installation to avoid burns from hot coolant. Verify that the hose routing matches the original configuration to prevent kinks or interference with other components. Use appropriate clamps to secure the hose ends firmly, and inspect all connections for leaks after installation. The molded design of the Gates 18194 heater hose simplifies alignment and fitment, but careful handling is recommended to avoid damage during installation.

Quality Assurance and Warranty

Gates manufactures the Molded Heater Hose 18194 to meet stringent quality standards, ensuring durability and reliable performance in HVAC applications. The EPDM material and molded construction contribute to long service life under normal operating conditions. Please refer to Gates' official warranty policy for specific coverage details.

BrandGates
Part Number18194
PositionMolded Heater Hose, Thermostat To Reservoir, Lower - Tee-1 To Reservoir, and Engine To Reservoir
MaterialEpdm
End 1 Inside Diameter.75
End 1 Inside Diameter19
End 2 Inside Diameter.75
End 2 Inside Diameter19
Centerline Length15.8
Centerline Length401
Branch Quantity0
9839Yes
98450
Centerline Length (in)15.8
Centerline Length (mm)401
MoldedYes
Number of Quick Connect Fittings0

This part fits 12 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2010ChevroletCobalt2.2LL4GASThermostat To ReservoirMolded Heater Hose
2010PontiacG52.2LL4GASThermostat To ReservoirMolded Heater Hose
2009ChevroletCobalt2.2LL4GASThermostat To ReservoirMolded Heater Hose
2009PontiacG52.2LL4GASThermostat To ReservoirMolded Heater Hose
2008ChevroletCobalt2.2LL4GASThermostat To ReservoirMolded Heater Hose
2008PontiacG52.2LL4GASThermostat To ReservoirMolded Heater Hose
2008PontiacG52.4LL4GASThermostat To ReservoirMolded Heater Hose
2007ChevroletCobalt2.2LL4GASLower - Tee-1 To ReservoirMolded Heater Hose
2007PontiacG52.2LL4GASLower - Tee-1 To ReservoirMolded Heater Hose
2007PontiacG52.4LL4GASLower - Tee-1 To ReservoirMolded Heater Hose
2006ChevroletCobalt2.2LL4GASEngine To ReservoirMolded Heater Hose
2005ChevroletCobalt2.2LL4GASEngine To ReservoirMolded 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:

101941527051016552M1819425940782

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