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Gates 19815 HVAC Heater Hose
Reliable HVAC Heater Hose for Buick, Chevrolet, and Volkswagen
The Gates Molded Heater Hose 19815 is engineered to provide durable and efficient heating system performance for select Buick, Chevrolet, Oldsmobile, Pontiac, and Volkswagen models. Designed with precision molding and high-quality EPDM material, this heater hose ensures a secure fit and long-lasting service life.
- Constructed from durable EPDM material for heat and chemical resistance
- Molded design for precise fit and leak prevention
- Centerline length of 14.9 inches (378 mm) for accurate replacement
- Consistent inside diameter of 0.73 inches (19 mm) on both ends
- Compatible with multiple vehicle makes and models including Buick Alero and Chevrolet Malibu
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 original equipment specifications. This reduces installation time and improves reliability by minimizing the risk of kinks or improper routing. The 19815 part number is part of this line, offering a molded hose solution that fits precisely within the HVAC system of various GM and Volkswagen vehicles.
Detailed Product Description
The Gates Molded Heater Hose 19815 is manufactured from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids. Both ends of the hose have an inside diameter of 0.73 inches (19 mm), ensuring compatibility with factory fittings. The molded construction maintains the hose’s shape and routing, which helps prevent leaks and premature wear. With a centerline length of 14.9 inches (378 mm), this hose is designed to match the original equipment dimensions for a direct replacement in vehicles such as the Chevrolet Cavalier, Pontiac Grand Am, and Volkswagen e-Golf.
Common Applications and Problem Solving
- Replacement of cracked or leaking heater hoses in HVAC systems
- Restoring proper coolant flow to the heater core
- Preventing overheating issues caused by damaged hoses
- Eliminating coolant odors inside the vehicle cabin
- Maintaining efficient heating performance in Buick Alero and Chevrolet Malibu models
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 path to prevent kinks or interference with other components. Use appropriate clamps to secure the hose ends firmly. Inspect adjacent hoses and fittings for wear during replacement to maintain overall HVAC system integrity.
Quality Assurance and Warranty
Gates Molded Heater Hose 19815 is manufactured to meet or exceed OEM specifications, providing reliable performance and durability. The EPDM material and molded design contribute to long service life under normal operating conditions. Please refer to Gates’ official warranty policy for specific coverage details.
| Brand | Gates |
| Part Number | 19815 |
| Position | Molded Heater Hose, Pipe-2 To Heater, Engine To Heater, Heater To Engine, Electric Heater To Tee, and Heater Inlet |
| Material | Epdm |
| End 1 Inside Diameter | .73 |
| End 1 Inside Diameter | 19 |
| End 2 Inside Diameter | .73 |
| End 2 Inside Diameter | 19 |
| Centerline Length | 14.9 |
| Centerline Length | 378 |
| Branch Quantity | 0 |
| 9839 | Yes |
| 9845 | 0 |
| Centerline Length (in) | 14.9 |
| Centerline Length (mm) | 378 |
| Molded | Yes |
| Number of Quick Connect Fittings | 0 |
This part fits 31 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2019 | Volkswagen | e-Golf | -L | -- | ELECTRIC | Electric Heater To Tee | Molded Heater Hose |
| 2018 | Volkswagen | e-Golf | -L | -- | ELECTRIC | Electric Heater To Tee | Molded Heater Hose |
| 2017 | Volkswagen | e-Golf | -L | -- | ELECTRIC | Electric Heater To Tee | Molded Heater Hose |
| 2016 | Volkswagen | e-Golf | -L | -- | ELECTRIC | Electric Heater To Tee | Molded Heater Hose |
| 2015 | Volkswagen | e-Golf | -L | -- | ELECTRIC | Electric Heater To Tee | Molded Heater Hose |
| 2010 | Chevrolet | Cobalt | 2.0L | L4 | GAS | Engine To Heater | Molded Heater Hose |
| 2009 | Chevrolet | Cobalt | 2.0L | L4 | GAS | Engine To Heater | Molded Heater Hose |
| 2008 | Chevrolet | Cobalt | 2.0L | L4 | GAS | Engine To Heater | Molded Heater Hose |
| 2006 | Buick | Rendezvous | 3.6L | V6 | GAS | Pipe-2 To Heater | Molded Heater Hose |
| 2005 | Buick | Rendezvous | 3.6L | V6 | GAS | Pipe-2 To Heater | Molded Heater Hose |
| 2005 | Chevrolet | Cavalier | 2.2L | L4 | GAS | Heater To Engine | Molded Heater Hose |
| 2005 | Chevrolet | Malibu | 2.2L | L4 | GAS | Heater Inlet | New Body Style; Molded Heater Hose |
| 2005 | Pontiac | Grand Am | 2.2L | L4 | GAS | Heater To Engine | Molded Heater Hose |
| 2005 | Pontiac | Sunfire | 2.2L | L4 | GAS | Heater To Engine | Molded Heater Hose |
| 2004 | Buick | Rendezvous | 3.6L | V6 | GAS | Pipe-2 To Heater | Molded Heater Hose |
| 2004 | Chevrolet | Cavalier | 2.2L | L4 | GAS | Heater To Engine | Molded Heater Hose |
| 2004 | Chevrolet | Cavalier | 2.2L | L4 | BI-FUEL | Heater To Engine | Molded Heater Hose |
| 2004 | Chevrolet | Classic | 2.2L | L4 | GAS | Heater To Engine | Molded Heater Hose |
| 2004 | Chevrolet | Malibu | 2.2L | L4 | GAS | Heater To Engine | Molded Heater Hose |
| 2004 | Oldsmobile | Alero | 2.2L | L4 | GAS | Heater To Engine | Molded Heater Hose |
| 2004 | Pontiac | Grand Am | 2.2L | L4 | GAS | Heater To Engine | Molded Heater Hose |
| 2004 | Pontiac | Sunfire | 2.2L | L4 | GAS | Heater To Engine | Molded Heater Hose |
| 2003 | Chevrolet | Cavalier | 2.2L | L4 | GAS | Heater To Engine | Molded Heater Hose |
| 2003 | Chevrolet | Cavalier | 2.2L | L4 | BI-FUEL | Heater To Engine | Molded Heater Hose |
| 2003 | Oldsmobile | Alero | 2.2L | L4 | GAS | Heater To Engine | Molded Heater Hose |
| 2003 | Pontiac | Grand Am | 2.2L | L4 | GAS | Heater To Engine | Molded Heater Hose |
| 2003 | Pontiac | Sunfire | 2.2L | L4 | GAS | Heater To Engine | Molded Heater Hose |
| 2002 | Chevrolet | Cavalier | 2.2L | L4 | GAS | Heater To Engine | Molded Heater Hose |
| 2002 | Oldsmobile | Alero | 2.2L | L4 | GAS | Heater To Engine | Molded Heater Hose |
| 2002 | Pontiac | Grand Am | 2.2L | L4 | GAS | Heater To Engine | Molded Heater Hose |
| 2002 | Pontiac | Sunfire | 2.2L | L4 | GAS | Heater To Engine | 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.