HomeHVAC > Hoses and PipesGates 19523 HVAC Heater Hose - Engine To Heater
Part #: 19523

Gates 19523 HVAC Heater Hose - Engine To Heater

Molded Heater Hose, Engine To Heater
⚙️ 22 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, Engine To Heater
🚗Fitment: Chevrolet, GMC, and Isuzu, Colorado, Canyon, i-290, and i-370
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Overview of Gates Molded Heater Hose 19523

The Gates Molded Heater Hose 19523 is designed for reliable HVAC system performance in Chevrolet, GMC, and Isuzu vehicles. Engineered with durable EPDM material, this molded heater hose ensures proper coolant flow and heat transfer for models like the Chevrolet Colorado and GMC Canyon.

  • Constructed from high-quality EPDM for heat and chemical resistance
  • Molded design for precise fit and easy installation
  • End 1 inside diameter: 0.62 inches (16 mm)
  • End 2 inside diameter: 0.75 inches (19 mm)
  • Centerline length: 15.2 inches (386 mm)
  • Compatible with Chevrolet Colorado, GMC Canyon, Isuzu i-290, and i-370

Detailed Product Description

The Gates Molded Heater Hose 19523 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 15.2 inches (386 mm), ensuring a precise fit without the need for modifications. Made from EPDM material, it offers resistance to heat, ozone, and automotive fluids, making it suitable for HVAC heater core connections in select Chevrolet, GMC, and Isuzu models.

Applications and Common Issues Addressed

  • Replacement of cracked or leaking heater hoses in Chevrolet Colorado and GMC Canyon HVAC systems
  • Resolving coolant leaks that cause insufficient cabin heating
  • Addressing hose deterioration due to heat and chemical exposure
  • Preventing HVAC system overheating caused by restricted coolant flow
  • Ensuring proper coolant circulation in Isuzu i-290 and i-370 heater cores

Installation Notes and Tips

  • Verify hose dimensions against the original part before installation
  • Ensure all clamps 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 proper tools to avoid damaging the molded hose during installation

Quality Assurance and Warranty

Gates Molded Heater Hose 19523 is manufactured to meet or exceed OEM standards for durability and performance. The EPDM construction provides long-lasting resistance to heat and automotive fluids. While specific warranty details may vary, Gates typically offers coverage against defects in material and workmanship, supporting reliable HVAC system operation in Chevrolet, GMC, and Isuzu vehicles.

BrandGates
Part Number19523
PositionMolded Heater Hose, Engine To Heater
0
Yes
Branch Quantity0
Centerline Length15.2
Centerline Length386
Centerline Length (in)15.2
Centerline Length (mm)386
End 1 Inside Diameter.62
End 1 Inside Diameter16
End 2 Inside Diameter.75
End 2 Inside Diameter19
MaterialEPDM
MoldedYes
Number of Quick Connect Fittings0

This part fits 22 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2012ChevroletColorado2.9LL4GASEngine To HeaterMolded Heater Hose
2012ChevroletColorado3.7LL5GASEngine To HeaterMolded Heater Hose
2012GMCCanyon2.9LL4GASEngine To HeaterMolded Heater Hose
2012GMCCanyon3.7LL5GASEngine To HeaterMolded Heater Hose
2011ChevroletColorado2.9LL4GASEngine To HeaterMolded Heater Hose
2011ChevroletColorado3.7LL5GASEngine To HeaterMolded Heater Hose
2011GMCCanyon2.9LL4GASEngine To HeaterMolded Heater Hose
2011GMCCanyon3.7LL5GASEngine To HeaterMolded Heater Hose
2010ChevroletColorado2.9LL4GASEngine To HeaterMolded Heater Hose
2010ChevroletColorado3.7LL5GASEngine To HeaterMolded Heater Hose
2010GMCCanyon2.9LL4GASEngine To HeaterMolded Heater Hose
2010GMCCanyon3.7LL5GASEngine To HeaterMolded Heater Hose
2009ChevroletColorado2.9LL4GASEngine To HeaterMolded Heater Hose
2009ChevroletColorado3.7LL5GASEngine To HeaterMolded Heater Hose
2009GMCCanyon2.9LL4GASEngine To HeaterMolded Heater Hose
2009GMCCanyon3.7LL5GASEngine To HeaterMolded Heater Hose
2008ChevroletColorado2.9LL4GASEngine To HeaterMolded Heater Hose
2008ChevroletColorado3.7LL5GASEngine To HeaterMolded Heater Hose
2008GMCCanyon2.9LL4GASEngine To HeaterMolded Heater Hose
2008GMCCanyon3.7LL5GASEngine To HeaterMolded Heater Hose
2008Isuzui-2902.9LL4GASEngine To HeaterMolded Heater Hose
2008Isuzui-3703.7LL5GASEngine To HeaterMolded 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:

1152314508S1589622119130069195236459789019079

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