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Gates 19523 HVAC Heater Hose - Engine To Heater
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.
| Brand | Gates |
| Part Number | 19523 |
| Position | Molded Heater Hose, Engine To Heater |
| 0 | |
| Yes | |
| Branch Quantity | 0 |
| Centerline Length | 15.2 |
| Centerline Length | 386 |
| Centerline Length (in) | 15.2 |
| Centerline Length (mm) | 386 |
| End 1 Inside Diameter | .62 |
| End 1 Inside Diameter | 16 |
| End 2 Inside Diameter | .75 |
| End 2 Inside Diameter | 19 |
| Material | EPDM |
| Molded | Yes |
| Number of Quick Connect Fittings | 0 |
This part fits 22 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2012 | Chevrolet | Colorado | 2.9L | L4 | GAS | Engine To Heater | Molded Heater Hose |
| 2012 | Chevrolet | Colorado | 3.7L | L5 | GAS | Engine To Heater | Molded Heater Hose |
| 2012 | GMC | Canyon | 2.9L | L4 | GAS | Engine To Heater | Molded Heater Hose |
| 2012 | GMC | Canyon | 3.7L | L5 | GAS | Engine To Heater | Molded Heater Hose |
| 2011 | Chevrolet | Colorado | 2.9L | L4 | GAS | Engine To Heater | Molded Heater Hose |
| 2011 | Chevrolet | Colorado | 3.7L | L5 | GAS | Engine To Heater | Molded Heater Hose |
| 2011 | GMC | Canyon | 2.9L | L4 | GAS | Engine To Heater | Molded Heater Hose |
| 2011 | GMC | Canyon | 3.7L | L5 | GAS | Engine To Heater | Molded Heater Hose |
| 2010 | Chevrolet | Colorado | 2.9L | L4 | GAS | Engine To Heater | Molded Heater Hose |
| 2010 | Chevrolet | Colorado | 3.7L | L5 | GAS | Engine To Heater | Molded Heater Hose |
| 2010 | GMC | Canyon | 2.9L | L4 | GAS | Engine To Heater | Molded Heater Hose |
| 2010 | GMC | Canyon | 3.7L | L5 | GAS | Engine To Heater | Molded Heater Hose |
| 2009 | Chevrolet | Colorado | 2.9L | L4 | GAS | Engine To Heater | Molded Heater Hose |
| 2009 | Chevrolet | Colorado | 3.7L | L5 | GAS | Engine To Heater | Molded Heater Hose |
| 2009 | GMC | Canyon | 2.9L | L4 | GAS | Engine To Heater | Molded Heater Hose |
| 2009 | GMC | Canyon | 3.7L | L5 | GAS | Engine To Heater | Molded Heater Hose |
| 2008 | Chevrolet | Colorado | 2.9L | L4 | GAS | Engine To Heater | Molded Heater Hose |
| 2008 | Chevrolet | Colorado | 3.7L | L5 | GAS | Engine To Heater | Molded Heater Hose |
| 2008 | GMC | Canyon | 2.9L | L4 | GAS | Engine To Heater | Molded Heater Hose |
| 2008 | GMC | Canyon | 3.7L | L5 | GAS | Engine To Heater | Molded Heater Hose |
| 2008 | Isuzu | i-290 | 2.9L | L4 | GAS | Engine To Heater | Molded Heater Hose |
| 2008 | Isuzu | i-370 | 3.7L | L5 | GAS | Engine To Heater | Molded 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.