HomeHVAC > Hoses and PipesGates 12290 HVAC Heater Hose - Engine To Tee
Part #: 12290

Gates 12290 HVAC Heater Hose - Engine To Tee

Molded Heater Hose, Engine To Tee
⚙️ 4 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Molded Heater Hose, Engine To Tee
🚗Fitment: Chevrolet and GMC, Canyon and Colorado
🔄Easy Returns — Return within 60 days for a full refund
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Overview of Gates Molded Heater Hose 12290

The Gates Molded Heater Hose 12290 is designed specifically for Chevrolet and GMC trucks, including the Canyon and Colorado models. Constructed from durable EPDM material, this molded heater hose ensures reliable performance in your vehicle's HVAC system.

  • Made 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: 13.29 inches (338 mm)
  • No quick connect fittings or branches, ensuring a straightforward replacement

Detailed Product Description

The Gates Molded Heater Hose 12290 is engineered to meet the exact specifications required for the HVAC systems in Chevrolet Canyon and GMC Colorado trucks. Its EPDM construction provides excellent resistance to heat, ozone, and automotive fluids, which helps maintain system integrity under demanding conditions. The molded design allows for a precise fit, reducing the risk of leaks and ensuring consistent heater core performance. With an inside diameter of 0.62 inches (16 mm) on one end and 0.75 inches (19 mm) on the other, this hose accommodates the specific connection points in the vehicle's heating system. The 13.29-inch (338 mm) centerline length matches OEM dimensions for a direct replacement.

About the Molded Heater Hose Product Line

The Molded Heater Hose line from Gates focuses on delivering hoses that are pre-formed to fit specific vehicle applications. This eliminates the need for bending or cutting during installation, reducing installation time and potential errors. The molded construction also enhances durability by minimizing stress points that can lead to premature failure. The 12290 part is part of this line, designed to fit Chevrolet and GMC trucks with exacting standards.

Common Applications and Issues Addressed

  • Replacement of cracked or leaking heater hoses in Chevrolet Canyon and GMC Colorado HVAC systems
  • Resolving heater core circulation problems caused by damaged or deteriorated hoses
  • Preventing coolant leaks that can lead to engine overheating
  • Maintaining proper heater function during cold weather operation
  • Eliminating hose collapse or blockage that restricts coolant flow

Installation Notes and Tips

Ensure the engine is cool before beginning installation to avoid burns from hot coolant. Verify that the hose dimensions match the original part, paying close attention to the molded shape and end diameters. Use appropriate clamps to secure the hose ends without over-tightening, which can damage the hose. Inspect surrounding components for wear or damage during replacement to maintain overall HVAC system integrity.

Quality Assurance and Warranty

Gates manufactures the Molded Heater Hose 12290 to meet or exceed OEM specifications, ensuring reliable performance and durability. The EPDM material is selected for its resistance to heat and automotive fluids, contributing to long service life. While specific warranty details are not provided here, Gates typically offers coverage against manufacturing defects. Consult product documentation or the manufacturer for exact warranty terms.

BrandGates
Part Number12290
PositionMolded Heater Hose, Engine To Tee
MaterialEpdm
End 1 Inside Diameter.62
End 1 Inside Diameter16
End 2 Inside Diameter.75
End 2 Inside Diameter19
Centerline Length13.29
Centerline Length338
Branch Quantity0
9839Yes
98450
Centerline Length (in)13.29
Centerline Length (mm)338
MoldedYes
Number of Quick Connect Fittings0

This part fits 4 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2016ChevroletColorado3.6LV6GASEngine To TeeMolded Heater Hose
2016GMCCanyon3.6LV6GASEngine To TeeMolded Heater Hose
2015ChevroletColorado3.6LV6GASEngine To TeeMolded Heater Hose
2015GMCCanyon3.6LV6GASEngine To TeeMolded 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:

1329016747M23125836

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