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Gates 19738 HVAC Heater Hose - Engine To Reservoir Filler Tee or Valve To Pipe-1
Reliable HVAC Heater Hose for Chevrolet, Oldsmobile, Pontiac, and Saturn
The Gates Molded Heater Hose 19738 is engineered to provide dependable heating system performance for select Chevrolet, Oldsmobile, Pontiac, and Saturn vehicles. Designed with durable EPDM material, this molded heater hose ensures consistent heat transfer and long-lasting service.
- Constructed from high-quality EPDM rubber for heat and ozone resistance
- Molded design for precise fit and easy installation
- Centerline length of 8.5 inches (216 mm) for accurate replacement
- Inside diameter of 0.72 inches (18 mm) on both ends for proper flow
- Compatible with Chevrolet Alero, Cobalt, Oldsmobile Grand Am, Pontiac Grand Am, and Saturn Ion models
About the Gates Molded Heater Hose Product Line
The Molded Heater Hose line by Gates focuses on delivering hoses that are pre-formed to match specific vehicle applications. This reduces installation time and ensures a secure fit within the HVAC system. The molded construction of part number 19738 eliminates the need for bending or shaping during installation, maintaining hose integrity and system efficiency.
Detailed Product Description
This HVAC heater hose is made from EPDM, a synthetic rubber known for its resistance to heat, steam, and automotive fluids. The hose features a consistent inside diameter of 0.72 inches (18 mm) on both ends, facilitating proper coolant flow through the heating system. With a centerline length of 8.5 inches (216 mm), the hose is designed to fit precisely in the heating circuit of compatible vehicles. The molded design ensures the hose maintains its shape and position, preventing kinks and leaks that can compromise HVAC performance.
Common Applications and Issues Addressed
- Replacement of worn or cracked heater hoses in Chevrolet Alero and Cobalt models
- Restoring proper coolant flow in Oldsmobile Grand Am and Pontiac Grand Am heating systems
- Eliminating leaks caused by deteriorated hoses in Saturn Ion vehicles
- Preventing overheating and heater core malfunctions due to faulty hoses
- Maintaining HVAC system efficiency and cabin heating performance
Installation Notes and Tips
Ensure the engine is cool before beginning installation to avoid burns from hot coolant. Verify the hose routing matches the original to prevent interference with other engine components. Use appropriate clamps to secure the hose ends firmly, and inspect for leaks after installation. The molded design of the Gates 19738 heater hose simplifies alignment and reduces the risk of improper fitment.
Quality Assurance and Warranty
Gates manufactures the Molded Heater Hose 19738 to meet or exceed OEM specifications for durability and performance. The EPDM material and molded construction contribute to a reliable service life under normal operating conditions. While specific warranty details are not provided here, Gates products typically come with a limited warranty against defects in materials and workmanship.
| Brand | Gates |
| Part Number | 19738 |
| Position | Molded Heater Hose, Engine To Reservoir Filler Tee and Valve To Pipe-1 |
| Material | Epdm |
| End 1 Inside Diameter | .72 |
| End 1 Inside Diameter | 18 |
| End 2 Inside Diameter | .72 |
| End 2 Inside Diameter | 18 |
| Centerline Length | 216 |
| Centerline Length | 8.5 |
| Branch Quantity | 0 |
| 9839 | Yes |
| 9845 | 0 |
| Centerline Length (in) | 8.5 |
| Centerline Length (mm) | 216 |
| Molded | Yes |
| Number of Quick Connect Fittings | 0 |
This part fits 13 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2007 | Chevrolet | Cobalt | 2.0L | L4 | GAS | Engine To Reservoir Filler Tee | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 2007 | Saturn | Ion | 2.0L | L4 | GAS | Engine To Reservoir Filler Tee | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 2006 | Chevrolet | Cobalt | 2.0L | L4 | GAS | Engine To Reservoir Filler Tee | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 2006 | Saturn | Ion | 2.0L | L4 | GAS | Engine To Reservoir Filler Tee | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 2005 | Chevrolet | Cobalt | 2.0L | L4 | GAS | Engine To Reservoir Filler Tee | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 2005 | Saturn | Ion | 2.0L | L4 | GAS | Engine To Reservoir Filler Tee | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 2004 | Saturn | Ion | 2.0L | L4 | GAS | Engine To Reservoir Filler Tee | Radiator and HVAC compatible coolant and heater hose.; Molded Heater Hose |
| 2001 | Oldsmobile | Alero | 2.4L | L4 | GAS | Valve To Pipe-1 | Molded Heater Hose |
| 2001 | Pontiac | Grand Am | 2.4L | L4 | GAS | Valve To Pipe-1 | Molded Heater Hose |
| 2000 | Oldsmobile | Alero | 2.4L | L4 | GAS | Valve To Pipe-1 | Molded Heater Hose |
| 2000 | Pontiac | Grand Am | 2.4L | L4 | GAS | Valve To Pipe-1 | Molded Heater Hose |
| 1999 | Oldsmobile | Alero | 2.4L | L4 | GAS | Valve To Pipe-1 | Molded Heater Hose |
| 1999 | Pontiac | Grand Am | 2.4L | L4 | GAS | Valve To Pipe-1 | 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.